Skocz do pozycji: 1.

Tytuł:

Rainfall-Induced Landslide Thresholds Development by Considering Different Rainfall Parameters: A Review

Autorzy:

Mansor Maturidi, Abdul Muaz Abu
Kasim, Norhidayu
Abu Taib, Kamaruddin
Wan Azahar, Wan Nur Aifa

Powiązania:

https://bibliotekanauki.pl/articles/2027967.pdf

Data publikacji:

2021

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

rainfall threshold
landslide
rainfall parameter
empirical
correlation

Opis:

This paper reviews the development of landslide thresholds from the perspective of rainfall and climate patterns. For certain, geology, morphology, lithology, etc., contribute to the initiation of the mass movement. However, the role of rainfall as the triggering mechanism of the landslide is vital as well. It has been proven by many researchers from various studies worldwide that have proposed the rainfall thresholds by utilising different rainfall parameters. The outcome of their studies is interesting, since different regions have diversified patterns of rainfall that produce a variety of threshold models. Therefore, from various published papers on rainfall thresholds, this paper studied the variety of rainfall parameters that have been utilised in establishing the rainfall threshold for landslide prediction. Instead of providing a better understanding regarding the application, this review aimed to cultivate the following study for deriving rigorous parameters for the purpose of sustainable findings.

Źródło:

Journal of Ecological Engineering; 2021, 22, 10; 85-97
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 2.

Tytuł:

Rainfall Variability and Drought Occurrences in the Batticaloa District, Sri Lanka

Autorzy:

Rajendram, K.

Powiązania:

https://bibliotekanauki.pl/articles/1839767.pdf

Data publikacji:

2021

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Rainfall Variability
Strandred Deviation
Drought Occurrence
Rainfall Trend

Opis:

Due to recent climate changes and monsoon variability, the amount, pattern, and intensity of rainfall are significantly changing in many Asian countries. This paper attempts to study the annual and seasonal rainfall patterns and their variability, and the occurrence of droughts. Monthly rainfall data have been collected from the Department of Meteorology, Colombo, from 1871-2020 for Batticaloa station. The Standard Deviation, Coefficient of Variation least-square trend had computed for annual and seasonal rainfall to study the rainfall variability as whole and different epochs. To study the drought scenario Standardized Precipitation Index had computed, and then the drought was categorized based on the SPI criteria, and the drought severity had distinguished. Spatial rainfall distribution maps had prepared using Arc GIS 10.4 software. The Standard Deviation and the Coefficient of annual rainfall variation are 423.9 and 24.8%, respectively. The epochal variability results reveal that the variability of rainfall is higher in 1961-1990 (CV: 28.9%), which indicates the low dependability, while variability is lower in the epochs of 1931-1960 (CV: 17.7%) and 1871-1900 and (19.6%) respectively. The long-term rainfall trend (1871-2020) results reveal the increasing trend and its r2 = 0.0271. However, only the epoch 1961-1990 shows a downward trend with r2 = 0.2398. The rainfall anomaly results reveal the extreme drought had occurred in 1968 and 1889. The severe droughts had occurred in 1998, 1983, 1981, 1980, 1909, and 1890. Out of 150 years of data periods, 25 years had been identified as drought years. The probability of drought occurrence is P = 0.167. Terefore once in five to six years, drought could have occurred.

Źródło:

World News of Natural Sciences; 2021, 39; 30-45
2543-5426

Pojawia się w:

World News of Natural Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 3.

Tytuł:

Characteristics of Measured Rainfall Rate at Ogbomoso, Nigeria for Microwave Applications

Autorzy:

Semire, F. A.
Raji, T. I.

Powiązania:

https://bibliotekanauki.pl/articles/309068.pdf

Data publikacji:

2011

Wydawca:

Instytut Łączności - Państwowy Instytut Badawczy

Tematy:

characteristics
Ogbomoso
rainfall

Opis:

Characteristics of rainfall rate useful in the estimation of attenuation due to rain are presented. Rain data collected at Ogbomoso between January-October, 2009 were used in the analysis. Result shows that power law relationship exists between the equiprobable rain rates of two different integration times. The value of conversion factor CE and CR obtained for Ogbomoso are 0.28(60) and 0.64(90) respectively. Our result then shows that different conversion factor is required for different location even within the same climatic region.

Źródło:

Journal of Telecommunications and Information Technology; 2011, 2; 85-89
1509-4553
1899-8852

Pojawia się w:

Journal of Telecommunications and Information Technology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 4.

Tytuł:

Impact of rainfall trends on flood in Agnéby watershed

Autorzy:

Konin, N’Da Jean Claude
N’go, Yao Alexis
Soro, Gneneyougo Emile
Goula, Bi Tié Albert

Powiązania:

https://bibliotekanauki.pl/articles/2073726.pdf

Data publikacji:

2022

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

Agnéby watershed
flood
hydro-rainfall hazard
Ivory Coast
rainfall trend

Opis:

The aim of this study is to analyse the spatio-temporal evolution of hydro-rainfall variables in the Agnéby watershed in a disturbed climatic context. Rainfall data from the stations of Arrah, Bongouanou, M’Batto, Akoupé, Céchi, Agboville, Adzopé, Sikensi, Abidjan Airport and Dabou as well as hydrometric data from the stations of Agboville, Offoliguié, M’Bessé and Guessiguié were used. The methodological approach is based on the application of independence and trend tests and spatio-temporal analysis of daily rainfall maxima, duration of consecutive rainfall events, number of rainfall events above a threshold and daily flow maxima. The hypothesis of independence justified the relevance of the choice of variables. The trend test showed the dynamic upward evolution of extreme rainfall and the decrease in the duration of consecutive rainy episodes, in the number of rainy episodes and in the flows feeding the main watercourse. Moreover, spatial analysis of daily maximum rainfall amounts above 120 mm, consecutive maximum rainfall amounts above 160 mm and Gumbel rainfall amounts above 190 mm indicated heavy rainfall in the southern part of the watershed. However, a decrease in rainfall is recorded in the areas covered by the stations of Arrah, Bongouanou, M’Batto, Ce chi and Akoupé. An increase in the flood flow calculated from the Generalized Extreme Value (GEV) between 76.60 m3∙s-1 and 225.70 m3∙s-1 is presented in the main river. The spatio-temporal variation in annual rainfall heights showed a high rainfall in the southern part of the watershed with a decrease in rainfall over the decades (1976-1985 and 1996-2005) followed by an increase over the decades (1986-1995 and 2006-2015). Despite the general decrease in rainfall, extreme rainfall has become frequent, causing flooding in the watershed.

Źródło:

Journal of Water and Land Development; 2022, 52; 9--20
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 5.

Tytuł:

Spatial variability study of rainfall in Cartagena de Indias, Colombia

Autorzy:

Mouthon-Bello, Javier A.
Quiñones-Bolaños, Edgar
Ortiz-Corrales, Jairo E.
Mouthon-Barraza, Natalia
Hernández-Fuentes, Maria D.J.
Caraballo-Meza, Andrea C.

Powiązania:

https://bibliotekanauki.pl/articles/2174346.pdf

Data publikacji:

2022

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

coastal city
rainfall duration
rainfall intensity
spatial correlation
spatial variability

Opis:

Precipitation is a component of the hydrological cycle, knowing its spatial distribution is vital for the management of hydrographic basins, the territory and the development of fundamental activities for society. That is why the present study shows the spatial variability of rainfall in Cartagena de Indias city with a network of rain gauges, made up of nine pieces of equipment, separated from each other by 0.9-27 km. After a year of recording (2019), using historical series of data, it was found that the maximum rainfall occurs in the trimester between September and November, with interpolated maps made by the Ordinary Kriging (OK) method it was found that the maximum rainfall is focused on the north, centre and west of the territory, instead, the maximum intensities are presented in the centre and west, the minimums for both variables are presented to the east and south. The 70 and 90% of the rain events have a duration of less than 30 min and 1 h, respectively. Three-parameter exponential function was fitted to the paired correlation distances, and presented correlations lower than 0.8, 0.5 and 0.2 from distances of 1, 3 and 7 km, respectively, in 30 min rain integration. It was also found that with a pluviometric network conformed by at least six pieces of equipment and separated by a 5 km distance from each other in the urban area, a correlation of 0.5 and compliance with the WMO recommendations would be obtained.

Źródło:

Journal of Water and Land Development; 2022, 55; 138--149
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 6.

Tytuł:

Wstępne rezultaty monitoringu warunków opadowych na terenie miasta Bydgoszczy w latach 2013–2014
The preliminary results of monitoring in terms rainwater in 2013–2014 in the city of Bydgoszcz

Autorzy:

Pasela, R.
Bohuszewicz, G.
Milik, J.
Budzińska, K.
Berleć, K.
Stachowski, P.

Powiązania:

https://bibliotekanauki.pl/articles/399758.pdf

Data publikacji:

2015

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

opad deszczu
natężenie deszczu
deszczomierz
Bydgoszcz
rainfall
rainfall intensity
rain gauge

Opis:

W artykule przedstawiono wstępne wyniki analiz rozkładu wysokości, intensywności i natężenia opadu deszczu na terenie miasta Bydgoszczy, na podstawie pomiarów sieci pluwiometrycznej eksploatowanej przez Miejskie Wodociągi i Kanalizacje w Bydgoszczy. System ten składa się z sześciu deszczomierzy korytkowych typu TPG-036-H24 firmy A-STER, wyposażonych w elektroniczny system zapisu danych z ich transmisją w technologii GPRS do serwera centralnego. Zapis wyników pomiaru wysokości opadów odbywa się w interwałach 2-minutowych z dokładnością do 0,1 mm. Poza tym analizie poddano ekstremalne wysokości i natężania opadów zarejestrowanych w badanym okresie, które zostały zaprezentowane w postaci tabel i wykresów. Pomiary natężenia i wysokości opadu prowadzone przy wykorzystaniu odpowiednio gęstej sieci pluwiometrycznej dają możliwość uzyskania wartościowych rezultatów, niezbędnych w analizie funkcjonowania miejskich systemów kanalizacyjnych.
The paper shows the results of analysis distribution of the amount and rainfall intensity in Bydgoszcz based on network measurements of rain, which is operated by the Municipal Water Supply and sewers in Bydgoszcz. The system consists of six rain-gauges type TPG-036-H24 by A-STER, which are equipped with electronic data recording system with GPRS transmission to a central server. A record of the amount of rainfall measurement results is carried out in 2-minute intervals with an accuracy of 0.1 millimeters. The extreme highs and the intensity of rainfall registered in the audited period was analyzed. The results were presented in a form of tables and graphs. The intensity measurements and the amount of rainfall were used by a dense network of rainwater, which allows you to get valuable results, essential in the analysis of the functioning of municipal sewer system.

Źródło:

Inżynieria Ekologiczna; 2015, 45; 176-182
2081-139X
2392-0629

Pojawia się w:

Inżynieria Ekologiczna

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 7.

Tytuł:

An empirical model of rainfall intensity as a function of rainfall duration and probability of occurrence

Autorzy:

Harisuseno, Donny
Prasetyorini, Linda
Fidari, Jadfan S.
Chandrasasi, Dian

Powiązania:

https://bibliotekanauki.pl/articles/2203546.pdf

Data publikacji:

2023

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

empirical model
probability of occurrence
rainfall duration
rainfall intensity
recurrence interval

Opis:

Rainfall is one of the main components of the hydrologic cycle; thus, the availability of accurate rainfall data is fundamental for designing and operating water resources systems and infrastructure. This study aims to develop an empirical model of rainfall intensity (It,p) as a function of its probability (p) and duration (t). In 1999-2020, data on the hourly duration of rainfall were collected from automatic rainfall recorder (ARR) gauges. The empirical model has been developed using a statistical approach based on duration (t) and probability (p), and subsequently they have been validated with those obtained from ARR data. The resulting model demonstrates good performance compared with other empirical formulas (Sherman and Ishiguro) as indicated by the percent bias (PBIAS) values (2.35-3.17), ratio of the RMSE (root mean square error) between simulated and observed values to the standard deviation of the observations (RSR, 0.028-0.031), Nash-Sutcliffe efficiency (NSE, 0.905-0.996), and index of agreement (d, 0.96-0.98) which classified in the rating of “very good” in model performance. The reliability of the estimated intensity based on the empirical model shows a tendency to decrease as duration (t) increases, and a good accuracy mainly for the rainfall intensity for shorter periods (1-, 2-, and 3-hours), whereas low accuracy for long rainfall periods. The study found that the empirical model exhibits a reliable estimate for rainfall intensity with small recurrence intervals (Tr) 2-, 5-, 10-, and a 20-year interval and for a shorter duration (t). Validation results confirm that the rainfall intensity model shows good performance; thus, it could be used as a reliable instrument to estimate rainfall intensity in the study area.

Źródło:

Journal of Water and Land Development; 2023, 56; 182--193
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 8.

Tytuł:

Dynamika zmian sumy i struktury opadów w Wielkopolsce w latach 1981–2020
The dynamics of changes in the sum and structure of atmospheric precipitation in Wielkopolska in 1981–2020

Autorzy:

Walkowska, Anita
Półrolniczak, Marek
Kolendowicz, Leszek

Powiązania:

https://bibliotekanauki.pl/articles/43348607.pdf

Data publikacji:

2022

Wydawca:

Poznańskie Towarzystwo Przyjaciół Nauk

Tematy:

precipitation
rainfall
snowfall
Wielkopolska

Opis:

The study analyzes the temporal and spatial variability of atmospheric precipitation and the impact of global climate changes on precipitation in Wielkopolska. The study was based on data provided by the IMGW-PIB and collected from 5 synoptic stations located in central Poland. The average multiannual sums of precipitation, the average number of days with precipitation in total and the particular types of precipitation in 1981–2020 were calculated, and their spatial distribution presented. Moreover, seasonal precipitation totals and statistics for days with precipitation were also calculated, and trends of individual pluviometric characteristics presented. The average annual rainfall was 523 mm, and the average annual rainfall frequency was 163 days. Days with rainfall were more frequent than days with snow (35 days). Over the course of many years, there was an apparent decrease in days with snowfall (-6.5 per decade) and an increase in the number of rainy days (4.3 per decade). Annual precipitation totals show no significant long-term changes.

Źródło:

Badania Fizjograficzne Seria A - Geografia Fizyczna; 2022, 13 (73); 207-226
2081-6014

Pojawia się w:

Badania Fizjograficzne Seria A - Geografia Fizyczna

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 9.

Tytuł:

Estimation of plant water requirements during sequences of days without precipitation in 2011-2015

Autorzy:

Wójcik, K.
Treder, W.
Zbudniewek, A.

Powiązania:

https://bibliotekanauki.pl/articles/101013.pdf

Data publikacji:

2017

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

rainfall
evapotranspiration
growing season

Opis:

This paper presents data on daily precipitation totals from six meteorological stations and the climatic water balance for the stations located throughout Poland in 2011-2015. The following sequences of days without precipitation were distinguished: from 11 to 15 days, from 16 to 20 days, and of more than 20 days. The number of precipitation-free sequences during the growing season in 2011-2015 was highly variable. Over the studied period, there were from 1.0 rainless sequence in Wtelno to 2.4 such sequences in Gołębiów per one growing season. The most frequently occurring were sequences of 11-15 days, while those of 16-20 days were less frequent. In the years under analysis, all of the different sequences occurred most frequently in July, and the least frequently in April. The highest numbers of sequences without precipitation were recorded in the south-east of Poland (Zakalniki, Gołębiów).

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1187-1200
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 10.

Tytuł:

Estimation of plant water requirements during sequences of days without precipitation in 2011-2015

Autorzy:

Wójcik, K.
Treder, W.
Zbudniewek, A.

Powiązania:

https://bibliotekanauki.pl/articles/101157.pdf

Data publikacji:

2017

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

rainfall
evapotranspiration
growing season

Opis:

This paper presents data on daily precipitation totals from six meteorological stations and the climatic water balance for the stations located throughout Poland in 2011-2015. The following sequences of days without precipitation were distinguished: from 11 to 15 days, from 16 to 20 days, and of more than 20 days. The number of precipitation-free sequences during the growing season in 2011-2015 was highly variable. Over the studied period, there were from 1.0 rainless sequence in Wtelno to 2.4 such sequences in Gołębiów per one growing season. The most frequently occurring were sequences of 11-15 days, while those of 16-20 days were less frequent. In the years under analysis, all of the different sequences occurred most frequently in July, and the least frequently in April. The highest numbers of sequences without precipitation were recorded in the south-east of Poland (Zakalniki, Gołębiów).

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2017, II/1; 611-624
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 11.

Tytuł:

Flow Rate Determination as a Function of Rainfall for the Ungauged Suhareka River

Autorzy:

Kusari, Laura
Osmanaj, Lavdim
Shehu, Hana
Bungu, Samir

Powiązania:

https://bibliotekanauki.pl/articles/2086389.pdf

Data publikacji:

2022

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

catchment area
regression coefficient
CN parameter
rainfall intensity
flow curve
rainfall
flood

Opis:

For ungauged rivers, when there are no hydrological measurements and there is a lack of data on perennial flow rates, the latter one to be determined based on other hydrological data. The river Suhareka catchment represents a similar case. Since there is no data on Suhareka’s flow rates, the authors of this study aimed for the flow rate determination based on rainfall measurements. From the available data on annual precipitation (monthly sums) provided by the Kosovo Hydrometeorological Institute for the Suhareka hydrometric station, the observed monthly rainfall data for 30 years were analysed. Those gaps were initially filled by connecting the hydrometric station in Suhareka with those of Prishtina, Prizren and Ferizaj, and as a result a fairly good fit was ensured. Moreover, the intensity-duration-frequency curves were formed using the expression of Sokolovsky, as a mathematical model of the dependence I (T, P). For a transformation of rainfall into flow, the American method SCS was used. As a result, the equation for the Suhareka River basin was derived, which enabled the determination of maximum inflows, for different return periods. The results obtained through this paper, indicates that even for ungauged river basins the peak flows can be determined from available rainfall data.

Źródło:

Journal of Ecological Engineering; 2022, 23, 4; 110--121
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 12.

Tytuł:

Comparison of water needs of true millet in the region of Bydgoszcz and Wroclaw

Autorzy:

Rolbiecki, S.
Chmura, K.

Powiązania:

https://bibliotekanauki.pl/articles/61162.pdf

Data publikacji:

2015

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

rainfall
water need
millet
Bydgoszcz town
Wroclaw city
water deficit
rainfall deficiency

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2015, III/2
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 13.

Tytuł:

Influence of Selected Factors on Erodibility in Catchment Scale on the Basis of Field Investigation

Autorzy:

Hejduk, L.
Hejduk, A.
Baryła, A.
Hewelke, E.

Powiązania:

https://bibliotekanauki.pl/articles/124503.pdf

Data publikacji:

2017

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

erodibility
catchment scale
rainfall simulation

Opis:

Drying of soil surface can affect the soil water repellency and reduce the infiltration, it may have impact on runoff and erosion. The aim of the research was to determine the effect of soil surface drying on its repellency and erosion, and the dependence of these values from the land use on the changing weather conditions background during the year. The research was conducted on Zagożdżonka river catchment, six times during the period of July 2014-September 2015, at five measuring points characterized by different land use. The irrigation of soil was carried out using rainfall simulator made by Eijkelkamp company. The intensity of the rain during the first 3 minutes of precipitation was 6 mm / min, the kinetic energy of rain was 72 J·m^-2. The surface runoff was collected into containers placed in the bottom of the rainfall simulator. Water Drop Penetration Time test was used to determine soil surface wettability. WET-2 probe was used to measure the moisture and soil temperature. Sediment concentration in the effluent was determined by weight method on filters. Variability of soil wettability was observed in different dates of measurements. Increasing repellency was recorded during the dry periods. The highest class of repellency was found in the forest and wild meadow areas. There was no direct correlation between the soil moisture, soil temperature and runoff. Both, sediment concentrations and sediment grain size, varied in the collected samples, depending on measurement time. The highest sediment concentrations were found in runoff from agricultural land use.

Źródło:

Journal of Ecological Engineering; 2017, 18, 1; 256-267
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 14.

Tytuł:

Status prawny wód opadowych i roztopowych
Legal status of rainwater and snowmelt

Autorzy:

Krzyż, Paweł Bartłomiej

Powiązania:

https://bibliotekanauki.pl/articles/46606713.pdf

Data publikacji:

2023

Wydawca:

Wydawnictwo Uniwersytetu Śląskiego

Tematy:

water
rainfall
meltwater
property
use

Opis:

This article is a comprehensive analysis of the legal status of rainwater and snowmelt. The study will attempt to distinguish these waters in an objective way, identify their specific legal context and, finally, establish their civil law status. Incidentally, the issues related to the acquisition of ownership of rainwater and snowmelt by property owners, treatment and use of these waters.

Źródło:

Prawne Problemy Górnictwa i Ochrony Środowiska; 2023, 1; 1-20
2451-3431

Pojawia się w:

Prawne Problemy Górnictwa i Ochrony Środowiska

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 15.

Tytuł:

Rainfall Variability in the wet-dry seasons. An analysis in Batticaloa District, Sri Lanka

Autorzy:

Mathanraj, S.
Kaleel, M. I. M.

Powiązania:

https://bibliotekanauki.pl/articles/1118352.pdf

Data publikacji:

2017

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Flood
Meteorology
Rainfall variability
Wet-dry

Opis:

Rainfall is of primary importance to both the physical and cultural landscape of any region. The objective of this study is to find the trends for rainfall variability on climate change in Batticaloa District of Sri Lanka, by analyzing 146 years of monthly data of rainfall received during the period 1869-2014 from the meteorological station of the Department of Meteorology. Some studies attribute extreme events to rainfall variability due to climate change induced by global warming. However, there is a dearth of climatological studies addressing the trends in rainfall over Sri Lanka in support of such attribution. In our study, statistical analysis such as linear and standard deviation for 3 year, 5 year, 11 year and 21 year periods were utilized to examine periodic rainfall changes in both annual and seasonal contexts. The study finds that the 3, 5 year moving average shows high drier seasons, but the 11, 21 years moving average show higher wet seasons during the period of study. The changes of rainfall are known to have led to disasters such as flood and drought. Annual rainfall varies from 864 mm to 3081 mm, the distribution of which has sight variation throughout the district.

Źródło:

World News of Natural Sciences; 2017, 9; 71-78
2543-5426

Pojawia się w:

World News of Natural Sciences

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 16.

Tytuł:

The Influence of Rainfall Variability on Paddy Production: A Case Study in Batticalloa District

Autorzy:

Mathanraj, S.
Kaleel, M. I. M.

Powiązania:

https://bibliotekanauki.pl/articles/1189997.pdf

Data publikacji:

2016

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Agriculture
Meteorology
Paddy production
Rainfall variability

Opis:

Climate change has become a major concern to human society because of its potentially deleterious impact worldwide. The degree to which rainfall amounts vary across an area or through time is an important characteristic of the climate of an area. This subject area in meteorology is called "rainfall variability”. Changes in amount, intensity and frequency affect the environment and society. The annual rainfall varies from 864 mm to 3081 mm (146 years data) distribution, which has sight variation throughout the district. The study purposes to examine the relationship between rainfall and paddy production. Samplings from 100 households have been gathered by questionnaire survey as primary data and the secondary data has been collected Meteorological Department, Department of Agriculture and published research reports. 146 years rainfall data and 34 years paddy cultivation data has been utilized to analyse the result. Accurate statistical methods have been used to find the variability that includes correlation and trend analysis of 3, 5 years moving average of standard deviation. As the result, the study finds that through the 3, 5 years moving average had shown high drier seasons of the years. The paddy production was very high in Maha season but this was very low in Yala season because of the rainfall variability. By the correlation between rainfall and paddy production, the significant value is positive in Maha season and this is negative in Yala season. However, both are having the different significance each other. Thus, even the rainfall was highly influenced to the higher production, this is impossible in each time. Therefore, the development of irrigation tanks and channels, rainwater harvesting and proper management would be supported to more production in Yala season.

Źródło:

World Scientific News; 2016, 52; 265-275
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 17.

Tytuł:

The Effect of Land Management on the Retention Capacity of Agricultural Land in the Conditions of Climate Change – Case Study

Autorzy:

Podhrázská, Jana
Kučera, Josef
Karásek, Petr
Szturc, Jan
Konečná, Jana

Powiązania:

https://bibliotekanauki.pl/articles/1839537.pdf

Data publikacji:

2021

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

climate change
infiltration capacity
rainfall simulator

Opis:

The water retention capacity of a territory is mainly defined by the land conditions, type of soil cover and manner of land management. The manifestations of the climate change reflect the need for better water capture from precipitation in agricultural catchment areas. The effect of the soil cover on the water retention capacity was studied in two localities with different soil types (chernozem and cambisol). The results have shown significant effects of permanent grass covers on increasing the water retention capacity. The mean retention capacity measured at permanent grass covers was 1.7-fold higher than at arable land. The soil type did not play a significant role. To some extent, the retention capacity is also influenced by the used agro-technology. After stubble-tillage, the water from precipitation was better infiltrated by arable land than by permanent grass cover. However, during a major part of the vegetation period, arable land is at the rest, and the short-term increase of its retention capacity has no impact on the overall outcome.

Źródło:

Journal of Ecological Engineering; 2021, 22, 1; 258-266
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 18.

Tytuł:

The Impacts of Irrigation System on Agriculture: A Study Based on Porativupattu ds Division

Autorzy:

Mathanraj, S.

Powiązania:

https://bibliotekanauki.pl/articles/1178797.pdf

Data publikacji:

2017

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Agriculture
Irrigation
Paddy production
Rainfall
Vegetables

Opis:

Irrigation is the artificial application of water to the land or soil. It is used to assist in the growing of agricultural crops, maintenance of landscapes, and re-vegetation of disturbed soils in dry areas and during periods of inadequate rainfall. Paddy production is the main agriculture of this area, has good climate, well irrigation and soil structure for paddy production. Both temperature and rainfall are the main climatic factors that affected the paddy cultivation. The main objective of the study is to find out the agricultural activities especially paddy cultivation. The sampling method has been used to collect the primary data through the questionnaire survey from 100 households and secondary data has been gathered form District Secretariat, Irrigation Report, and published research reports. MS Excel was utilized for the study to examine the changes of paddy production and other agriculture due to the irrigation water. As the result, paddy production was very high in the Maha season but it was low in Yala season because of the less rainfall and irrigation process. In addition, the highland crops were cultivated around 396 hectare in this area. Whatever, when compere with vegetable production, this was very low and the vegetable production was very high. Thus, these area people cultivate different kind of crops for their economy but have the less production. Therefore, the improvement of irrigation and other water body help to make much production can be produced more in highland crops cultivation. Proper management and better agricultural practices cause to the high production in future.

Źródło:

World Scientific News; 2017, 90; 127-137
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 19.

Tytuł:

Empedocles and the Other Physiologists in Aristotle’s Physics II 8

Autorzy:

Giardina, Giovanna R.

Powiązania:

https://bibliotekanauki.pl/articles/633456.pdf

Data publikacji:

2016

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

Presocratics
mechanism
physics
teleology
rainfall
Aristotle

Opis:

In this paper I propose to show: 1) that in Phys. II 8 Aristotle takes Empedocles as a paradigm for a theoretical position common to all philosophers who preceded him: the view that materialism implies a mechanistic explanation of natural becoming; and 2) that, since Empedocles is regarded as a philosopher who clearly expresses the position of all mechanistic materialists, Aristotle builds his teleological arguments precisely to refute him. Indeed, Aristotle believes that refuting the arguments of Empedocles – the champion of mechanism – means refuting the mechanistic theory itself. In order to illustrate this point, I will discuss some passages from Phys. II 8, while also turning to consider the Neoplatonic commentators on Aristotle’s Physics. I will then endeavour to explain why in 198b19 ff. Aristotle formulates the argument of rain, which has attracted so much attention from scholars of the Physics: I will consider whether Aristotle believes that rain serves a purpose, contrary to what he claims with regard to meteorological phenomena in Meteorologica.

Źródło:

Peitho. Examina Antiqua; 2016, 7, 1; 13-24
2082-7539

Pojawia się w:

Peitho. Examina Antiqua

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 20.

Tytuł:

Czasowo-przestrzenne zróżnicowanie opadów atmosferycznych we Wrocławiu
Space-time distribution of precipitation in the city of Wroclaw

Autorzy:

Kotowski, A.
Dancewicz, A.
Kaźmierczak, B.

Powiązania:

https://bibliotekanauki.pl/articles/237309.pdf

Data publikacji:

2010

Wydawca:

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych

Tematy:

opad deszczu
wysokość opadu
intensywność opadu
sieć pomiarowa
rainfall
precipitation amount
rainfall intensity
network of gauging stations

Opis:

Przeprowadzone badania czasowo-przestrzennego zróżnicowania opadów we Wrocławiu na podstawie wieloletnich pomiarów wykazały, że obecna sieć pomiarowo-obserwacyjna nie sprosta zapotrzebowaniu na informacje, niezbędne do projektowania bądź modernizacji, w tym modelowania hydrodynamicznego, systemów odwodnieniowych. Dotyczy to zwłaszcza intensywnych opadów krótkotrwałych stwarzających duże zagrożenie funkcjonowania kanalizacji deszczowej i ogólnospławnej. W pracy wykazano znaczne różnice ilościowe wysokości i intensywności opadów w różnych rejonach Wrocławia. W szczególności w rejonie stacji meteorologicznej Wrocław-Strachowice (na zachodzie miasta) występują wyższe wartości natężeń opadów o ok. 20% w stosunku do rejonu stacji Wrocław-Swojec (na wschodzie). Wnioskowanie oparte na materiałach pochodzących z dwóch stacji może zatem powodować niedoszacowanie natężeń opadów w rejonach północnym i południowym miasta, na co wskazują wyższe wartości opadów dobowych na Psim Polu czy Oporowie. Należy zatem zwiększyć liczbę stacji automatycznie rejestrujących wysokość opadów w czasie, co w efekcie przyczyni się do lepszej ochrony całej aglomeracji wrocławskiej przed lokalnymi wylewami z kanalizacji czy podtopieniami.
Analysis of the space-time distribution of precipitation for the city of Wroclaw obtained from many years' measurements has demonstrated that the existing net-work of gauging stations fails to provide reliable data for the design or modernization, and primarily for the hydrodynamic modeling of draining systems. This finding holds true particularly for high-intensity rainfalls of a short duration, as they pose a real threat to the functioning of the storm water drain and combined sewage systems. The results of the study have revealed considerable differences in the amount and intensity of precipitation between particular parts of the city. Within the area of the Wroclaw-Strachowice station (in the western part of the city) the amount of precipitation received was by approx. 20% higher as compared to that within the Wroclaw-Swojec station (in the eastern part of the city). Drawing conclusions based on the data obtained from the two meteorological stations may lead to the underestimation of the precipitation amounts received in the northern and southern parts of the city, as can be inferred from the higher values of daily precipitation amounts measured in Wroclaw-Psie Pole and Wroclaw-Oporów. It is therefore recommendable to increase the number of stations that will provide automatic records of the precipitation amounts received with time. This will guarantee a more efficient protection of the municipality of Wroclaw against local flooding or outflow from the sewerage system.

Źródło:

Ochrona Środowiska; 2010, 32, 4; 37-46
1230-6169

Pojawia się w:

Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 21.

Tytuł:

Laboratory determination of potential interception of young deciduous trees during low-intense precipitation

Autorzy:

Klamerus-Iwan, A.
Sporysz, M.

Powiązania:

https://bibliotekanauki.pl/articles/38420.pdf

Data publikacji:

2014

Wydawca:

Instytut Badawczy Leśnictwa

Tematy:

deciduous tree
rainfall
intensity
simulated rainfall
potential interception
raindrop size
Fagus sylvatica
Quercus robur
laboratory determination
precipitation

Opis:

The research issue focuses on potential interception, which is the maximum amount of water that can be stored on plant surface. Tests under controlled conditions remain the best way to enhance knowledge on interception determinants in forest communities. Such tests can provide data for identification of mathematical models based on ecological criteria. The study presented in this paper concerned tree interception under simulated rain in a range from 2 to 11 mm/h. To perform the experiment a set of sprinklers was designed and built. The study included two deciduous species: beech (Fagus sylvatica L.) and oak (Quercus robur L.). Descriptive characteristic and nonlinear estimation were suggested for the obtained data. Interdependence of potential interception, the intensity of rain and the size of raindrops were described using exponential equation. The intensity and drop size of simulated rainfall significantly influence the obtained values of potential interception. Data analysis shows a decrease of interception value with an increase of intensity of simulated rainfall for both analysed species. Every run of the experiment that differed in the intensity and size of raindrops reached an individual level of potential interception and time needed to realize it. The formation of ability of plants to intercept water depends both on the dynamics and the time of spraying.

Źródło:

Folia Forestalia Polonica. Series A . Forestry; 2014, 56, 1
0071-6677

Pojawia się w:

Folia Forestalia Polonica. Series A . Forestry

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 22.

Tytuł:

Effects of Changes in Temperature, Rainfall and Relative Humidity on Banana Production in Ondo State, Nigeria

Autorzy:

Salau, Opeyemi R.
Momoh, Marvelous
Olaleye, Oluwatosin A.
Owoeye, Rufus S.

Powiązania:

https://bibliotekanauki.pl/articles/1190205.pdf

Data publikacji:

2016

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Banana
Plantain
Rainfall
Temperature
Agriculture
Relative Humidity

Opis:

The effects of climate change on agriculture may have strong impacts on the world’s food economy and are likely to threaten both the welfare of the world’s population and the economic development of the global society. Hence, the impacts of changes in important climate variables like temperature, rainfall and relative humidity on the production of a major food commodity called banana is investigated using the data obtained within 1998-2012 from Ondo State, Nigeria. The results suggest that excessive rainfall and extremely high temperature can reduce banana productivity while the production is also small when both rainfall and temperature are very low with poor humidity. On the average, the findings show that a mean temperature of about 26 °C and average rainfall of around 1891mm with relative humidity of approximately 77% will lead to good annual banana production above 61,000 tons in Ondo State. Since these climate variables will fluctuate under a future climate change condition, the coping strategies recommended for farmers in the area and in similar places might include planting of drought- and disease resistant banana types, monitoring of weather conditions, use of irrigation and chemicals. Improved storage facilities are also important while transportation of banana should be done under controlled conditions to avoid spoiling the quality.

Źródło:

World Scientific News; 2016, 44; 143-154
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 23.

Tytuł:

Organic compounds in rainfall at Hornsund, SW Spitsbergen: qualitative results

Autorzy:

Krawczyk, Wiesława Ewa
Skręt, Urszula

Powiązania:

https://bibliotekanauki.pl/articles/2052041.pdf

Data publikacji:

2005

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

Arctic
Svalbard
Hornsund
organic compounds
rainfall
chemistry

Źródło:

Polish Polar Research; 2005, 26, 1; 65-76
0138-0338
2081-8262

Pojawia się w:

Polish Polar Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 24.

Tytuł:

The analysis of the El Niño phenomenon in the East Nusa Tenggara Province, Indonesia

Autorzy:

Karuniasa, Mahawan
Pambudi, Priyaji Agung

Powiązania:

https://bibliotekanauki.pl/articles/2073753.pdf

Data publikacji:

2022

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

climate
communities
drought
El Nino
freshwater
rainfall

Opis:

Climate change causes various events, such as El Niño , and we experience their larger frequency. This study based on a quantitative approach uses observation data from the Umbu Mehang Kunda Meteorological Station and the Ocean Niño Index (ONI). As a result, East Sumba, which has an arid climate, has more challenges in dealing with drought and water deficits during El Niño. This study identifies rainfall when the El Niño phenomenon takes place in East Sumba through data contributing to the ONI value and dry day series from 1982 to 2019. The analysis was carried out by reviewing these data descriptively and supported by previous literature studies. The research found that there was a decrease in the accumulative total rainfall in El Niño years. The annual rainfall in the last six El Niño events is lower than the annual rainfall in the first six El Niño events. The dry day series is dominated by an extreme drought (>60 days) which generally occurs from July to October. This drought clearly has a major impact on livelihoods and causes difficulties in agriculture as well as access to freshwater. This results in crop failure, food shortages, and decreased income. The phenomenon triggers price inflation in the market and potential increase in poverty, hunger, and pushes the country further away from the first and second Sustainable Development Goals. This phenomenon and problems related to it need to be dealt with by multistakeholders.

Źródło:

Journal of Water and Land Development; 2022, 52; 180--185
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 25.

Tytuł:

An analysis of short duration high-intensity rainfall events in Cracow area

Autorzy:

Jarosińska, E.

Powiązania:

https://bibliotekanauki.pl/articles/101341.pdf

Data publikacji:

2018

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

urban catchment
flooding
rainfall intensity
Chomicz scale

Opis:

The study involves a preliminary analysis of short-duration high-intensity rainfall events in the area of Cracow. The events were selected from a 2-year data record from the MPWiK (Miejskie Przedsiębiorstwo Wodociągów i Kanalizacji [Municipal Water and Sewage Company]) in Cracow. A spatial analysis was carried out by comparing rainfall events with highest single totals which occurred at the same time at all observed precipitation stations. Extracted were nine cases from the data record of 2013 and ten from the data record of 2014. Each of the analysed events was classified according to the Chomicz scale for rainfall intensity in order to distinguish maximum rainfalls, in particular of the following types: heavy rainfalls, rainstorms and torrential rains. Additionally, observed were cases of the most unfavourable rainfall events, i.e. ones with the highest totals in the observed year. In both 2013 and 2014, certain areas in Cracow were observed to be characterised by a pattern of repeating rainfall types. Also, a change in the rainfall category was observed from lower into higher and reverse in certain areas represented by the same gauging stations. At the stations located in varying distances within one urban area of Cracow, the intensity of rainfall varied from rainstorm A1 to torrential rain B1.

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2018, III/1; 575-588
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 26.

Tytuł:

Simulated impacts of rainfall extremes on yield responses of various barley varieties in a temperate region

Autorzy:

Yoon, C.Y.
Kim, S.
An, K.N.

Powiązania:

https://bibliotekanauki.pl/articles/2083065.pdf

Data publikacji:

2021

Wydawca:

Polska Akademia Nauk. Instytut Agrofizyki PAN

Tematy:

barley
rainfall
simulation
food cost
grain
yield

Opis:

As population rises, more people need to be fed. With increasing income, the potential exists for increases in the demand for cereals (i.e., barley). Since barley has a high level of tolerance to environmental stressors, this crop has been recommended as a potential crop for food security in marginal environments. In this study, a crop growth Agricultural Land Management Alternatives with Numerical Assessment Criteria model, was parameterized and used to simulate the yields of two barley types grown in a temperate environment at a latitude of 35°N. In order to apply this crop model to barley, 19 years of field data were used to model calibration and validation. As a result, the ALMANAC model accurately simulated yields for both barley types. The validated model was used to predict yields under three diverse seasonal rainfall scenarios associated with different patterns of the Central Pacific El Niño influence. According to the simulation results, excessively high seasonal rainfall decreased barley yields. Crop price and annual revenue of the two barley types were also evaluated using a non-linear regression model. For the malt type, the food price was higher with a higher rainfall, while naked barley had a higher revenue under the conditions of a lower rainfall.

Źródło:

International Agrophysics; 2021, 35, 2; 119-129
0236-8722

Pojawia się w:

International Agrophysics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 27.

Tytuł:

Temperature and Rainfall Trend in Alaknanda Valley Srinagar Garhwal, Uttarakhand, India

Autorzy:

Negi, R. S.
Sagar Gautam, Alok Sagar
Singh, Santosh

Powiązania:

https://bibliotekanauki.pl/articles/1164126.pdf

Data publikacji:

2018

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Climate Change
Meteorological data
Rainfall
Temperature
Trend

Opis:

The rainfall and temperatures are the most important parameters among the atmosphere as these parameters decide the ecological situation of the specific area, which affects the agricultural productivity. The temperature, and rainfall trends are analysed for meteorological data of Automatic Weather Station (AWS), was installed September 2009 with 22 meteorological parameters in the Department of Rural Technology, HNB Garhwal, University, Srinagar Garhwal, and Uttarakhand. In the study assess the seven-year change in temperature and rainfall has been examination by linear tread analysis. It is observed that in velley of Srinagar Garhwal, Uttarakhand, coefficient of variation for mean temperature for Srinagar Garhwal Valley is highest in the month of February and lowest in the month of August. This means that mean temperature is most stable in the month of August and total monthly rainfall observed highest in the month of November and minimum for the month of July. This shows that rainfall is more stable in the month of July and is more variable in the month of November for the Valley.

Źródło:

World Scientific News; 2018, 108; 207-214
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 28.

Tytuł:

Assessment of hydrological alteration from 1996 to 2017 in Brantas watershed, East Java, Indonesia

Autorzy:

Indarto, Indarto
Andiananta Pradana, Hendra
Wahyuningsih, Sri
Umam, Muhammad K.

Powiązania:

https://bibliotekanauki.pl/articles/293246.pdf

Data publikacji:

2020

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

Brantas watershed
hydrological alteration
land use
rainfall

Opis:

Climate, land use, and land cover change can propagate alteration to the watershed environment. The interaction between natural and human activities probably accelerates the change, a phenomenon that will generate serious environmental problems. This study aims to evaluate the change in the hydrological regime due to natural and human-induced processes. The study was conducted in Brantas watershed, Indonesia, which is the largest watershed in East Java. This area is populated by more than 8 million inhabitants and is the most urbanized area in the region. An analysis of rainfall time series use to shows the change in natural phenomena. Two land-use maps at different time intervals were used to compare the rapid development of urbanization, and the discharge from two outlets of the sub-watersheds was employed to assess hydrological changes. The indicator of hydrological alteration (IHA) method was used to perform the analysis. The daily discharge data are from 1996 to 2017. The research results show an increase in flow (monthly, 1-day, 3-day, 7-day, 30-day, and 90-day flows) in the two sub-watersheds (Ploso and Kertosono) from the pre-period (1996–2006) to the post-period (2007–2017).

Źródło:

Journal of Water and Land Development; 2020, 46; 121-130
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 29.

Tytuł:

The Water Requirements of Grapevines (Vitis vinifera L.) Under Climatic Conditions of Central Poland

Autorzy:

Rolbiecki, Stanisław
Jagosz, Barbara
Stachowski, Piotr
Rolbiecki, Roman

Powiązania:

https://bibliotekanauki.pl/articles/2069915.pdf

Data publikacji:

2021

Wydawca:

Politechnika Koszalińska. Wydawnictwo Uczelniane

Tematy:

climate changes
evapotranspiration
irrigation
precipitation
rainfall deficit

Opis:

The purpose of this study was to estimate the water needs of grapevines in central Poland in 1981-2010. Water needs were calculated by the plant coefficients, which were assumed according to the Doorenbos and Pruitt method. Reference evapotranspiration was assessed by the Blaney-Criddle’s equation, modified for Polish conditions. Rainfall deficit with the occurrence probability of normal, medium dry and very dry years was determined by the Ostromęcki’s method. Water needs of grapevines during the growing season was 434 mm. Upward time trend in the water needs both in the periods May-October and June-August was estimated. Temporal variability in the water needs was significant for most of the provinces. The rainfall deficit was recorded with the occurrence probability of normal as well as medium or very dry years in the entire study area. Due to climate changes, vineyards will require irrigation in the near future. This research significantly broadens and refines the knowledge about the water needs of grapevines in central Poland, which will allow the design of resource-efficient irrigation programs for grapevines in the studied region of Poland.

Źródło:

Rocznik Ochrona Środowiska; 2021, 23; 731--743
1506-218X

Pojawia się w:

Rocznik Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

/5

Artykuł

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Skocz do pozycji: 30.

Tytuł:

Impact of upstream sediment inflow on headcut morphodynamics

Autorzy:

Wells, R. R.
Bennett, S. J.
Alonso, C. V.

Powiązania:

https://bibliotekanauki.pl/articles/295198.pdf

Data publikacji:

2011

Wydawca:

Stowarzyszenie Geomorfologów Polskich

Tematy:

headcuts
overland flow
simulated rainfall
soil erosion

Opis:

Headcut erosion can severely accelerate soil loss in upland concentrated flows and lead to significant soil degradation in agricultural areas. Previous experimental work has demonstrated that actively migrating headcuts display systematic morphodynamic behavior, and impinging jet theory can provide an excellent theoretical foundation for this erosional phenomenon. This research sought to examine systematically the effect of an upstream sediment inflow on the morphodynamics of actively migrating headcuts in upland concentrated flows. Using a specially designed experimental facility, actively migrating headcuts were allowed to develop, and then subjected to an upstream sediment load composed of sand. As the upstream sediment feed rate increased, the size and migration rate of the headcut decreased markedly, but sediment discharge was less affected. The headcut erosion process was arrested as sediment inflow rates increased above a threshold value. As sediment feed rate upstream of the headcut increased, sediment size fraction downstream of the headcut also increased. This research suggests that headcut erosion can be greatly modulated by an upstream sediment source, further complicating the prediction of soil erosion on upland areas.

Źródło:

Landform Analysis; 2011, 17; 225-227
1429-799X

Pojawia się w:

Landform Analysis

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 31.

Tytuł:

Water Needs of the Ash-Leaved Maple (Acer negundo L.) at the Period over Three Years after Reclamation in Different Regions of Poland

Autorzy:

Rolbiecki, Stanisław
Rolbiecki, Roman
Jagosz, Barbara
Kasperska-Wołowicz, Wiesława
Ptach, Wiesław
Stachowski, Piotr
Figas, Anna
Grybauskiene, Vilda
Klimek, Andrzej
Podsiadło, Cezary

Powiązania:

https://bibliotekanauki.pl/articles/124919.pdf

Data publikacji:

2019

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

irrigation
potential evapotranspiration
rainfall deficiencies
water requirements

Opis:

The ash-leaved maple (Acer negundo L.) has low habitat requirements, which is why this species is often used in the reclamation of industrial areas. The development of the reclamation plantings depends on the optimal water soil conditions that can be controlled by watering treatments. However, the use of irrigation requires determining the water needs of the cultivated species. The objective of the study was to evaluate the water needs of the ash-leaved maple in the reclamation plantings, in the period of over three years after planting. The water needs of the ash-leaved maple were determined using the crop coefficients method. Potential evapotranspiration was calculated using the Blaney-Criddle’s formula that was modified for the Polish conditions by Żakowicz. The water needs of the ash-leaved maple were assessed for five agro-climatic regions of Poland, in the years 1981-2010. The water needs of the ash-leaved maple in the growing period (April-October) were the highest in the C-E (638 mm) and C-N-W (637 mm) regions, and the lowest in the N-E (598 mm) and S-E (601 mm) regions. In July, the highest water needs were noted in the C-N-W region (149 mm) and the lowest in the S-W region (129 mm). In the studied thirty-years period, there was a significant upward trend in the water needs of the ash-leaved maple both during the growing season (except for the C-N-W region) and in July, in all the considered regions.

Źródło:

Journal of Ecological Engineering; 2019, 20, 4; 69-75
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 32.

Tytuł:

Estimation of standard duration maximum rainfall by using regression models

Autorzy:

Yerdelen, Cahit
Asikoglu, Ömer Levend
Abdelkader, Mohamed
Eris, Ebru

Powiązania:

https://bibliotekanauki.pl/articles/1841938.pdf

Data publikacji:

2021

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

Eastern Black Sea Region
Marmara Region
regression model
standard duration maximum rainfall
temporal distribution of maximum daily rainfall

Opis:

Gauging stations of meteorological networks generally record rainfall on a daily basis. However, sub-daily rainfall observations are required for modelling flood control structures, or urban drainage systems. In this respect, determination of temporal distribution of daily rainfall, and estimation of standard duration of rainfall are significant in hydrological studies. Although sub-daily rainfall gauges are present at meteorological networks, especially in the developing countries, their number is very low compared to the gauges that record daily rainfall. This study aims at developing a method for estimating temporal distribution of maximum daily rainfall, and hence for generating maximum rainfall envelope curves. For this purpose, the standard duration of rainfall was examined. Among various regression methods, it was determined that the temporal distribution of 24-hour rainfall successfully fits the logarithmic model. The logarithmic model’s regression coefficients (named a and b) were then linked to the geographic and meteorological characteristics of the gauging stations. The developed model was applied to 47 stations located at two distinct geographical regions: the Marmara Sea Region and Eastern Black Sea Region, Turkey. Various statistical criteria were used to test the method's accuracy, and the proposed model provided successful results. For instance, the RMSE values of the regression coefficients a and b in Marmara Regions are 0.004 and 0.027. On the other hand, RMSE values are 0.007 and 0.02 for Eastern Black Sea Region.

Źródło:

Journal of Water and Land Development; 2021, 50; 281-288
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 33.

Tytuł:

Znormalizowane rozkłady warstwy opadu w czasie trwania deszczy na obszarze zlewni doświadczalnej w Warszawie
Normalized rainfall depth distributions during rainfalls in the area of experimental catchment in Warsaw

Autorzy:

Barszcz, M.

Powiązania:

https://bibliotekanauki.pl/articles/339590.pdf

Data publikacji:

2012

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

rozkład warstwy opadu deszczu
rozkłady DVWK i SCS Typ II
DVWK and SCSType II rainfall distributions
rainfall depth distribution

Opis:

W artykule przedstawiono wyniki analizy opadów deszczu pomierzonych na obszarze zlewni doświadczalnej Potoku Służewieckiego, położonej w południowej części Warszawy. Celem pracy było wyznaczenie znormalizowanych rozkładów warstwy opadu w czasie jego trwania. Rozkłady te przedstawiają skumulowane wartości warstwy opadu w odniesieniu do skumulowanych czasów jego trwania, które przyjęto jako wartości wynoszące 0, 10, 20, 30, 40, 50, 60, 70, 80, 90 i 100% czasu trwania deszczu. Do analizy wykorzystano 71 zdarzeń zarejestrowanych na trzech posterunkach opadowych (Okęcie, Usynów i Pyry). Warstwy opadu zarejestrowanych deszczy wynosiły od 1,0 do 81,5 mm, a czasy ich trwania - od 20 do 1000 min. Na podstawie ustalonych rozkładów wszystkich analizowanych deszczy obliczono, z zastosowaniem mediany, syntetyczny znormalizowany rozkład warstwy opadu w czasie jego trwania. Rozkład ten może być wykorzystany w procedurze wyznaczania hydrografów w badanej zlewni do obliczania rozkładu warstwy opadu w trakcie deszczu. Na podstawie przeprowadzonych analiz wykazano, że zróżnicowanie czasów trwania i warstw opadów rozpatrywanych deszczy nie miało wpływu na ich rozkłady. Syntetyczny znormalizowany rozkład, wyznaczony na analizowanym obszarze, porównano z rozkładami DVWK i SCS Typ II, opracowanymi odpowiednio na obszarze Niemiec i USA, i wykazano, że ich przebieg jest podobny. W przypadku braku rozkładu opracowanego lokalnie na obszarze kraju, w analizach projektowych może być stosowany ustalony syntetyczny znormalizowany rozkład warstwy opadu deszczu lub rozkłady DVWK i SCS Typ II.
The paper presents results of the analysis of rainfalls measured in the area of experimental catchment of the Potok Służewiecki, located in the southern part of Warsaw. The aim of this study was to calculate the normalized rainfall depth distributions during rainfalls. These rainfall distributions represent cumulative values of rainfall depth corresponding to cumulative times, which were assumed as 0, 10, 20, 30, 40, 50, 60, 70, 80, 90 and 100% of rainfall duration. Seventy one events measured at three rainfall gauges (Okęcie, Ursynów and Pyry) were used in the analysis. The measured rainfalls were characterised by rainfall depths ranging from 1.0 to 81.5 mm, and rainfall Dura tions from 20 to 1000 min. Normalized rainfall depth distributions were calculated for events recorded at the three rainfall gauges. Based on the established rainfall distributions for all analyzed rainfalls a synthetic normalized rainfall depth distribution was calculated using the median. The established distribution can be used in the procedure of calculating hydrographs in the studied catchment. The analyses showed also that different rainfall durations and rainfall depths of analyzed rainfalls did not affect rainfall distribution. The synthetic normalized rainfall distribution calculated for the analysed area was compared with rainfall distributions of DVWK and SCS Type II developed for areas of Germany and the USA, respectively. Graphical comparison of the three rainfall distributions showed a similar course (shape). In the absence of locally developed rainfall distribution in the country, the established synthetic normalized rainfall distribution or the DVWK and the SCS Type II rainfall distributions can be used in design analyses.

Źródło:

Woda-Środowisko-Obszary Wiejskie; 2012, 12, 3; 27-38
1642-8145

Pojawia się w:

Woda-Środowisko-Obszary Wiejskie

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 34.

Tytuł:

Wykorzystanie eksperymentu terenowego w badaniach erozji wodnej gleb w zlewni Chwalimskiego Potoku (Pojezierze Drawskie, górna Parsęta)

Autorzy:

Majewski, Mikołaj

Powiązania:

https://bibliotekanauki.pl/articles/634072.pdf

Data publikacji:

2014

Wydawca:

Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego

Tematy:

soil erosion, field experiment, simulated rainfall, rain simulator

Opis:

Application of a field experiment in soil erosion research in the Chwalimski Potok catchment (Drawskie Lakeland, upper Parsęta River)Stationary research upon soil erosion has been conducted in the Chwalimski Potok catchment since 2012 as a continuation of research started in 1994. In 2013 conducted two field experiments were conducted in order to evaluate the impact of high intensity rainfall on soil surface. The first experiment consisted of 5 and the second of 4 rainfall simulations. The rainfall was created by using a purpose-built rain simulator, consisting of 3 and 6 sprinklers placed around the testing plot. The paper focuses on the characterization of the course of these experiments. The achieved results compared with the results from the hydrological years 2012 and 2013 show that slope wash considerably increases during rainfall of high intensity and high amount.

Źródło:

Prace Geograficzne; 2014, 138
1644-3586

Pojawia się w:

Prace Geograficzne

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 35.

Tytuł:

Analiza średnich natężeń deszczów miarodajnych we Wrocławiu
Analysis of average design storm intensity for the city of Wroclaw

Autorzy:

Licznar, P.
Łomotowski, J.

Powiązania:

https://bibliotekanauki.pl/articles/236808.pdf

Data publikacji:

2005

Wydawca:

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych

Tematy:

deszcz miarodajny
natężenie deszczu
design storm
rainfall intensity

Opis:

W pracy przedstawiono wyniki analizy natężeń deszczu zarejestrowanych w Obserwatorium Agro- i Hydrometeorologii Akademii Rolniczej we Wrocławiu (Swojec) w latach 1975-2002. W oparciu o przyjęte kryterium deszczu wyodrębniono, a następnie ustalono związki funkcyjne pomiędzy średnim natężeniem deszczu, czasem jego trwania oraz prawdopodobieństwem przewyższenia. Otrzymane wyniki porównano z modelem Wołoszyna i wzorem Błaszczyka. Wykazano, że podane w pracach Wołoszyna i Błaszczyka formuły zostały ustalone nie na podstawie analizy wartości średnich natężeń deszczu, ale na materiale, w którym zawarte były zarówno dane o maksymalnych natężeniach chwilowych, jak i maksymalnych średnich natężeniach deszczu.
The analysis covered rainfall intensities recorded at the Agro- and Hydrometeorological Station, Wroclaw University of Agriculture, Wrocław-Swojec in the time span of 1975 to 2002. On the basis of the adopted criteria, rain events were selected and the functional relations between average rainfall intensity, duration and exceeding probability were established. The results were compared with those obtained with the Wołoszyn model and Błaszczyk equation. It was demonstrated that the formulas derived by Wołoszyn and Błaszczyk were not based on the analysis of average rainfall intensities; they involved analyses of both maximal temporary and maximal average rainfall intensities.

Źródło:

Ochrona Środowiska; 2005, R. 27, nr 1, 1; 29-34
1230-6169

Pojawia się w:

Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 36.

Tytuł:

Infrared Sensor to Predict Atmospheric Visibility and Rainfall Rate

Autorzy:

Holejko, K.
Czarnecki, T.
Perlicki, K.

Powiązania:

https://bibliotekanauki.pl/articles/227162.pdf

Data publikacji:

2013

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

light scattering
atmospheric visibility
rainfall rate
rain gauge

Opis:

The presented paper describes an instrument called Aurometer which was designed for both atmospheric visibility and rainfall rate measurement. The principle of operation of Aurometer is based on determining the amount of light scatteredby particles in the air that passes through the sample volume. The achieved results show that simultaneous estimation of the atmospheric visibility.

Źródło:

International Journal of Electronics and Telecommunications; 2013, 59, 2; 109-112
2300-1933

Pojawia się w:

International Journal of Electronics and Telecommunications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 37.

Tytuł:

Reconstruction of rainfall region boundaries for the western region found by Dale (1959) in Peninsular Malaysia

Autorzy:

Hashim, Mohmadisa
Nayan, Nasir
Said, Zahid Mat
Setyowati, Dewi Liesnoor
Saleh, Yazid
Mahat, Hanifah
Koh, See L.

Powiązania:

https://bibliotekanauki.pl/articles/2073752.pdf

Data publikacji:

2022

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

GIS
isohyetal method
Peninsular Malaysia
rainfall region boundary

Opis:

Re-delimitation of rainfall regions plays an important role in determining the rainfall pattern of an area. This study aims to reconstruct the delimitation of rainfall regions for the western region of Peninsular Malaysia. This study involved only the collection of rainfall data at 133 stations from 1960 to 2010. These data were obtained from the Department of Irrigation and Drainage, Malaysia. The analysis methods applied include kriging, contouring and topology using a geographical information system. The results showed that the new delimitation of the western region has been formed with an area reduction of 10% compared to the original western region found by Dale. This is due to some areas in the western region have not received rainfall between 2540 and 2794 mm. The area that getting the rainfall between 2540 and 2794 mm is 46,413.6 km2, in contrast to the sized of Dale’s western region of 51,596.2 km2. The area that frequently getting rainfall of between 2540 and 2794 during 1960s to 2010 are Parit Buntar, Taiping, Kuala Kangsar, Ipoh, Teluk Intan, Tanjong Malim, Batang Kali, Cameron Highlands, Subang, Petaling Jaya, Klang, Kajang and Bangi. The new delimitation formed through this study can be used as a guide by the agencies that manage water resources in Perak, Selangor and Negeri Sembilan in planning a more efficient water supply system.

Źródło:

Journal of Water and Land Development; 2022, 52; 205--209
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 38.

Tytuł:

Niedobór i nadmiar opadów w okresie wegetacji średnio wczesnych odmian ziemniaka w Polsce (1971–2013)
Rainfall deficits and shortages during the growing seasons of medium early potato cultivars in Poland (1971–2013)

Autorzy:

Radzka, Elżbieta
Rymuza, Katarzyna
Lenartowicz, Tomasz

Powiązania:

https://bibliotekanauki.pl/articles/2199181.pdf

Data publikacji:

2016-12-30

Wydawca:

Instytut Hodowli i Aklimatyzacji Roślin

Tematy:

opady optymalne
ziemnaik
Polska
optimal rainfall
potato
Polska

Opis:

Celem pracy była ocena niedoboru i nadmiaru opadów w okresie wegetacji średnio wczesnych odmian ziemniaka, uprawianych w Polsce. Wykorzystano dane z czternastu stacji COBORU (1971–2013) dotyczące miesięcznej sumy opadów atmosferycznych (V–IX). Charakterystyki zaspokojenia potrzeb opadowych dokonano na podstawie różnic między wartościami miesięcznych sum opadów występujących w latach badań i wartościami uznanymi za optymalne. Na obszarze całego kraju niedobór opadów, z częstością przekraczającą 50%, występował w maju i sierpniu, a nadmiar w czerwcu. niedobory opadów najczęściej występowały w Kawęczynie, Szczecinie Dąbie oraz Chrząstowie. Nadmiary opadów najczęściej notowano w Karżniczce i Jeleniej Górze. Najwyższe średnie wartości niedoboru opadów notowano w sierpniu. Największy nadmiar opadów występował w czerwcu i wahał się od 6 mm w Kawęczynie do 24 mm w Jeleniej Górze. Największy niedobór opadów, w okresie wegetacji średnio wczesnych odmian ziemniaka w Polsce, notowano w ostatnim dziesięcioleciu (2001–2010).
The objective of the work was to assess the deficits and excesses of rainfall during the growing seasons of medium early potato cultivars grown in light soil in Poland. Data for analysis, that is monthly precipitation sums during the growing seasons of medium early potato cultivars (May-September), was obtained from fourteen COBORU (Research Centre for Cultivar Testing) experimental stations (1971–2013). Differences between monthly precipitation sums in the study years and optimum values were used to demonstrate how water needs of potato crop were met. Throughout Poland, rainfall deficits occurred at a frequency of over 50% in May and August whereas precipitation excesses were recorded in June only. Rainfall amounts were most frequently insufficient in Kawęczyn, Szczecin Dąbie and Chrząstowo. Precipitation excesses were recorded in Karżniczka and Jelenia Góra. The highest average precipitation deficit was noted in August, the highest excess precipitation — in June. It fluctuated between 6 mm in Kawęczyn and 24 mm in Jelenia Góra. The precipitation deficit, during the growing season of medium early potato in Poland, was found to be the greatest over the last decade (2000–2010).

Źródło:

Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2016, 280; 61-70
0373-7837
2657-8913

Pojawia się w:

Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 39.

Tytuł:

The influence of cloudiness on air temperature and precipitation on the territory of Poland (1951-2000)

Autorzy:

Żmudzka, Elwira
Owsiński, Jan

Powiązania:

https://bibliotekanauki.pl/articles/2030281.pdf

Data publikacji:

2008-06-01

Wydawca:

Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych

Tematy:

cloudiness
temperature
rainfall
atmospheric circulation
Polska
variability
relationships

Opis:

Analysis of time series was performed of cloudiness, air temperature and precipitation for the years 1951-2000, the data used representing lowland Poland. The properties of the temporal course of these elements of climate and the interrelations between their variability in time have been determined. The strength of dependence of precipitation and temperature upon the magnitude of cloudiness in the annual cycle has been assessed with the linear correlation coefficient. The essential climate-forming role of cloudiness has been confirmed. The magnitude of cloudiness over Poland explains up to 70% of variability of temperature and precipitation. These interrelations are the strongest in the warmer half of the year. Atmospheric circulation and cloudiness explain up to 85% of variability of the climate elements studied.

Źródło:

Miscellanea Geographica. Regional Studies on Development; 2008, 13; 89-103
0867-6046
2084-6118

Pojawia się w:

Miscellanea Geographica. Regional Studies on Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 40.

Tytuł:

The influences of meteorological and hydrological factors on the operation and performance of a semi-natural stormwater reservoir

Autorzy:

Wałęga, Andrzej
Młyński, Dariusz
Radecki-Pawlik, Artur

Powiązania:

https://bibliotekanauki.pl/articles/108597.pdf

Data publikacji:

2020

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

storm reservoir
heavy rainfall
best management practices
infiltration

Opis:

The aim of this research was to determine the influences of meteorological and hydrogeological factors on the water level of a rainwater storage and infiltration reservoir. The examined reservoir is located in the urban and industrial area of Krakow, on ground owned by the Polish State Railways (PKP), Kraków-Bieżanów branch. We analyzed a range of climatic (precipitation and evaporation) and hydrological factors (water stage in the reservoir and groundwater level) and their inter-relationships to determine their influences on the water depth regime in the storage and infiltration reservoir. Based on our results, the increase in the water table level in the reservoir is connected with the increase in the groundwater level and it is observed in the spring and summer periods, when meltwater and stormwater enter the reservoir. At the end of July, the groundwater table level increases because of excessive rainfall events. Throughout the entire experimental period, the reservoir was fed by infiltering groundwater from the upper parts of the basin. The water depth averages in the reservoir were closely correlated with the average groundwater table levels, the sum of precipitation from the week prior to the date of the examination of water depth in the reservoir, and the sum of potential evaporation in the given week.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2020, 8, 1; 28-34
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 41.

Tytuł:

The evaluation of weekly extended range river basin rainfall forecasts and a new bias correction mechanism for flood management in India

Autorzy:

Guhathakurta, Pulak
Prasad, Ashwini Kumar
Chattyopadhyay, Rajib
Sangwan, Neha
Wagh, Nilesh
Pattanaik, D. R.
Pai, D. S.
Mohapatra, M.

Powiązania:

https://bibliotekanauki.pl/articles/2058418.pdf

Data publikacji:

2022

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

extended range prediction
rainfall bias correction
flood management

Opis:

Operational extended range forecasts are being disseminated once every week by the India Meteorological Department (IMD) for several sectorial applications. These forecasts show a reduction in amplitude and variance as a function of lead-time. Such reductions in variance can be due to several physical factors: inherent forecast model bias, a problem relating to initial conditions, leaddependent statistical biases, etc. A week-by-week analysis shows that such biases are not systematic. Rainfall forecasts are underestimated in some regions, while others overestimate rainfall amplitude. To correct the bias in the extended range weekly averaged forecast, a statistical post-processing method (normal ratio correction) is proposed to make the outlook more valuable at a longer lead-time. The correction method is based on the World Meteorological Organization (WMO) technical guidance on rainfall estimation and is also shown to be useful for rainfall forecasts. In this analysis, we evaluate the extended range forecast skill at the river sub-basin-scale and show that there are several river sub-basins over the central Indian region where the correction has improved the model forecast in the one to two-week range. Although this analysis was tailored toward making the river basins and sub-basins of India more readily realizable for flood forecasters, it can be used for any administrative boundaries such as block, district, or state-level requirements.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2022, 10, 1; 1--25
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 42.

Tytuł:

Evaluation of Rainfall-Runoff Erosivity Factor for Cameron Highlands, Pahang, Malaysia

Autorzy:

Abdulkadir, T. S.
Mustafa, M. R.
Yusof, K. W.
Hashim, A. M.

Powiązania:

https://bibliotekanauki.pl/articles/123050.pdf

Data publikacji:

2016

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

rainfall
erosivity factor
soil erosion
USLE/RUSLE
runoff

Opis:

Rainfall-runoff is the active agent of soil erosion which often resulted in land degradation and water quality deterioration. Its aggressiveness to induce erosion is usually termed as rainfall erosivity index or factor (R). R-factor is one of the factors to be parameterized in the evaluation of soil loss using the Universal Soil Loss Equation and its reversed versions (USLE/RUSLE). The computation of accurate R-factor for a particular watershed requires high temporal resolution rainfall (pluviograph) data with less than 30-minutes intensities for at least 20 yrs, which is available only in a few regions of the world. As a result, various simplified models have been proposed by researchers to evaluate R-factor using readily available daily, monthly or annual precipitation data. This study is thus aimed at estimating R-factor and to establish an approximate relationship between R-factor and rainfall for subsequent usage in the estimation of soil loss in Cameron highlands watershed. The results of the analysis showed that the least and peak (critical) R-factors occurred in the months of January and April with 660.82 and 2399.18 MJ mm ha^-1 h^-1year-1 respectively. Also, it was observed that erosivity power starts to increase from the month of January through April before started falling in the month of July. The monthly and annual peaks (critical periods) may be attributed to increased rainfall amount due to climate change which in turn resulted to increased aggressiveness of rains to cause erosion in the study area. The correlation coefficient of 0.985 showed that there was a strong relationship rainfall and R-factor.

Źródło:

Journal of Ecological Engineering; 2016, 17, 3; 1-8
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 43.

Tytuł:

Impact of Landslides Induced by the 2018 Palu Earthquake on Flash Flood in Bangga River Basin, Sulawesi, Indonesia

Autorzy:

Tunas, I. Gede
Tanga, Arody
Oktavia, Siti Rahmi

Powiązania:

https://bibliotekanauki.pl/articles/125089.pdf

Data publikacji:

2020

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

flash flood
heavy rainfall
landslide
watershed
Palu
earthquake

Opis:

High magnitude flash flood has occurred several times in some areas in Central Sulawesi Province after the 2018 Palu Earthquake, one of them is in the Bangga River, Sigi Regency, Indonesia. It has caused massive impacts such as damaging agricultural and plantation areas and submerging public facilities and infrastructure and even causing fatalities. The flood carries a variety of materials, especially high concentration sediments which are thought to originate from eroded soils due to landslides induced by a 7.5 magnitude earthquake. These materials are eroded and transported by the flow at the upstream watershed due to heavy rainfall. This study intends to investigate the potential of landslides, factors that trigger floods and increased flooding after the earthquake. This research was conducted by investigating the landslides potency based on field surveys and interpretation of the latest satellite imagery, analyzing the characteristics of rainfall as a trigger for flooding, and predicting the flood potency as the primary impact of these two factors. Rainfall-flood transformation was simulated with the HEC-HMS Model, one of the freeware semi-distributed models commonly used in hydrological analysis. The model input is the configuration of river networks generated from the National DEM (DEMNAS), hourly rainfall during floods and other watershed parameters such as land cover, soil types and river slope. The similar simulation was also carried out on the condition of the watershed before the earthquake. Based on the results of the analysis, It can be inferred that flash floods in the Bangga River are mainly caused by heavy rainfall with long duration and landslide areas in the upper watershed triggered by the 2018 Palu Earthquake with an area of approximately 10.8 km². The greatest depth of rainfall as a trigger for flooding is 30.4 mm with a duration of 8 hours. The results of the study also showed that landslides in the upper watershed could increase the peak flood by 33.33% from 118.56 m³/s to 158.08 m³/s for conditions before and after the earthquake.

Źródło:

Journal of Ecological Engineering; 2020, 21, 2; 190-200
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 44.

Tytuł:

Wykorzystanie sztucznych sieci neuronowych w wymiarowaniu zbiorników retencyjnych
Using artificial neural networks for dimensioning of storage reservoirs

Autorzy:

Pochwat, K.
Słyś, D.

Powiązania:

https://bibliotekanauki.pl/articles/126253.pdf

Data publikacji:

2016

Wydawca:

Towarzystwo Chemii i Inżynierii Ekologicznej

Tematy:

zbiorniki retencyjne
opad miarodajny
rozkład opadu deszczu
wymiarowanie zbiorników retencyjnych
storage reservoir
critical rainfall
rainfall distribution
dimensioning of the storage reservoir

Opis:

Kanalizacyjne zbiorniki retencyjne są obiektami służącymi między innymi do redukowania przepływu strumienia objętości ścieków w systemach kanalizacyjnych. Ich główną zaletą jest możliwość zwiększenia retencji w systemie, co w efekcie wpływa na poprawę bezpieczeństwa hydraulicznego zlewni poprzez ograniczenie możliwości wylania się ścieków i powstania zjawiska „powodzi miejskich”. Coraz powszechniejsze użycie obiektów retencyjnych, obserwowane zmiany klimatu oraz rozwój dostępnych narzędzi softwarowych powodują konieczność aktualizowania metod ich wymiarowania. Dotychczas najczęściej wykorzystywane w tym celu są formuły analityczne oraz narzędzia do modelowania hydrodynamicznego. W obu przypadkach podstawą do właściwego zaprojektowania obiektu retencyjnego jest wybór miarodajnego opadu deszczu o określonym prawdopodobieństwie wystąpienia i odpowiedniej długości czasu trwania, który powoduje krytyczny przepływ ścieków w systemie kanalizacyjnym i wymaga zastosowania największej niezbędnej pojemności retencyjnej zbiornika. Celem artykułu jest wykonanie analizy możliwości wykorzystania sztucznych sieci neuronowych we wstępnym szacowaniu miarodajnej długości czasu deszczu. Jej wartość jest niezbędna w procesie modelowania hydrodynamicznego funkcjonowania systemu i wyznaczenia niezbędnej pojemności retencyjnej zbiornika. W badaniach do budowy modelu sztucznej sieci neuronowej wykorzystano teorię planowania doświadczeń oraz pakiet Statistica.
Storage reservoirs are objects which serving inter alia, to reducing the volume of wastewater flow in sewer systems. Their main advantage is the possibility to increase retention in the system, which in turn improves hydraulic safety by reducing the possibility of the node flooding and the emergence of the phenomenon of "urban flooding". An increasingly common use of storage reservoirs, observed climate change and the development of available software tools makes it necessary to update the methods of its dimensioning. So far, the most well-known calculation procedures in this regard is the use of analytical formulas and tools for hydrodynamic modeling the functioning sewage systems. In both cases, the basis for the designing of the retention facility is choosing a appropriate rainfalls which a certain probability of occurrence, and appropriate duration, which causes the critical flow of rainwaters in the sewer system and requires the use of the most necessary storage capacity of the reservoir. The purpose of this article is the analyze of the possibility of using artificial neural networks in the preliminary estimation of the length of duration the critical rainfall. Its value is essential in the process of hydrodynamic modeling of the system and determine the necessary storage capacity of the reservoir. In a study for the construction of an artificial neural network model used in the theory of planning experience and Statistica package.

Źródło:

Proceedings of ECOpole; 2016, 10, 2; 757-766
1898-617X
2084-4557

Pojawia się w:

Proceedings of ECOpole

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 45.

Tytuł:

Analysis of distribution of precipitation duration and amounts in Legnica in the period of 1966–2015
Analiza rozkładów długości trwania i wielkości opadów w Legnicy w latach 1966–2015

Autorzy:

Jakubczyk, Teresa

Powiązania:

https://bibliotekanauki.pl/articles/293381.pdf

Data publikacji:

2019

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

analysis of distributions
Mann–Kendall test
precipitation
rainfall conditions
rainfall variability
analiza rozkładów
opady
test Manna-Kendalla
warunki opadowe
zmienność opadów

Opis:

The paper presents the results of analysis of duration of precipitation sequences and the amounts of precipitation in individual sequences in Legnica. The study was aimed at an analysis of potential trends and regularities in atmospheric precipitations over the period of 1966–2015. On their basis a prediction attempt was made for trends in subsequent years. The analysis was made by fitting data to suitable distributions – the Weibull distribution for diurnal sums in sequences and the Pascal distribution for sequence durations, and then by analysing the variation of the particular indices such the mean value, variance and quartiles. The analysis was performed for five six-week periods in a year, from spring to late autumn, analysed in consecutive five-year periods. The trends of the analysed indices, observed over the fifty-year period, are not statistically significant, which indicates stability of precipitation conditions over the last half-century.
W pracy przedstawiono wyniki analiz rozkładów długości trwania sekwencji opadowych oraz wielkości opadów w poszczególnych sekwencjach w Legnicy. Badania miały na celu przeprowadzenie analizy ewentualnych tendencji i regularności w opadach atmosferycznych w okresie 1966–2015. Na ich podstawie podjęto próbę predykcji dla tendencji w kolejnych latach. Analizę wykonano przez dopasowanie do danych odpowiednich rozkładów – rozkładu Weibulla do sum dobowych w sekwencjach oraz rozkładu Pascala do długości sekwencji, a następnie przez zbadanie zmienności poszczególnych wskaźników, takich jak średnia, wariancja i kwartyle. Analiza została przeprowadzona w odniesieniu do pięciu sześciotygodniowych okresów w ciągu roku od wczesnej wiosny do późnej jesieni, rozpatrywanych w kolejnych pięcioleciach. Tendencje badanych wskaźników zaobserwowane na przestrzeni pięćdziesięciolecia nie są istotne statystycznie, co świadczy o stabilności zjawiska opadów w ostatnim pięćdziesięcioleciu.

Źródło:

Journal of Water and Land Development; 2019, 41; 69-76
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 46.

Tytuł:

Ocena struktury czasowo-przestrzennej opadów z wkorzystaniem wybranych wskaźników do identyfikacji zdarzeń ekstremalnych
Evaluation of spatio-temporal rainfall patterns with selected indicators for extreme event identification

Autorzy:

Szalińska, W.
Otop, I.

Powiązania:

https://bibliotekanauki.pl/articles/338269.pdf

Data publikacji:

2012

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

opad
wartości wskaźnikowe
zdarzenia ekstremalne
extreme events
indicators
rainfall

Opis:

Intensywne opady mogą powodować zagrożenie oraz poważne skutki hydrologiczne (powodzie, wezbrania), zarówno lokalnie, jak i w skali regionalnej. Stopień zagrożenia powodowanego opadami zależy od wielu czynników, m.in. od wysokości opadów, czasu trwania, zasięgu przestrzennego oraz sposobu zagospodarowania danego obszaru. Celem badań było opracowanie zbioru wartości wskaźnikowych dobowych sum opadów, umożliwiających ocenę struktury czasowo-przestrzennej opadów pod kątem identyfikacji zdarzeń ekstremalnych, wpływających na zagrożenie hydrologiczne. Opracowany zbiór wskaźników obejmował wskaźniki aprioryczne i statystyczne. Wartości progowe wskaźników statystycznych wyznaczono na podstawie wieloletnich danych obserwacyjnych, analizując sumy, czas trwania i rozkład przestrzenny opadów. Wybrany zbiór wskaźników wykorzystano do oceny struktury czasowo-przestrzennej opadów w dorzeczu górnej i środkowej Odry w okresie czerwiec-lipiec 2009 oraz maj-czerwiec 2010 r. Wyznaczone wskaźniki mogą być wykorzystane w bieżącej ocenie warunków opadowych, a wraz z uwzględnieniem morfologii terenu i zagospodarowania danego obszaru - do oceny stopnia zagrożenia hydrometeorologicznego.
Intensive rainfall events can cause severe hydrological threats and flooding. The scale of hydrological impact depends on the amount of precipitation, duration and spatial range. The aim of this work was to develop a set of indicators for the evaluation of daily sums of rainfall in order to identify extreme events triggering hydrological hazards. Indicator threshold values were assumed a priori or estimated from long-term observation dataset. A selected set of indicators was used to evaluate spatial and temporal structure of two precipitation events: June-July 2009 and May-June 2010. The obtained results showed the magnitude of extreme rainfall, frequency and duration as well as location of extreme events forming hydrological hazard in 2009 and 2010 in the upper and middle Odra River basin. Developed set of indicators can be used operationally to evaluate current rainfall situation and, in combination with the information on hydrological and catchment conditions, to assess hydrological risk.

Źródło:

Woda-Środowisko-Obszary Wiejskie; 2012, 12, 2; 269-282
1642-8145

Pojawia się w:

Woda-Środowisko-Obszary Wiejskie

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 47.

Tytuł:

Analysis of Rainfall Trend in Sokoto State, Nigeria (1987-2016)

Autorzy:

Ekoh, Harrison Charles

Powiązania:

https://bibliotekanauki.pl/articles/1031709.pdf

Data publikacji:

2020

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Cessation
Trends in Rainfall Pattern
climate change
climatic parameter

Opis:

Rainfall is an important climatic parameter. The study examined the nature of trend in annual rainfall amount and rainfall attributes such as onset, cessation dates and hydrological growing season. This study was carried out to determine if there was any significant change in rainfall in the study area. Walter’s 1967 formula was used to determine the onset, cessation and hydrological growing season. The results obtained were then subjected to a time-series analysis. The findings showed that annual rainfall in Sokoto from 1987 to 2016 is on the increase, Onset dates showed early onset of recent. The rains stopped late thereby increasing the hydrological growing season. The latest onset date occurred on 4th July in the years 1995 and 2016 and the earliest onset date on 12th April in the year 2015. The earliest cessation date was recorded on 22nd August in the year 1987 and the latest on 18th October in the years 2009 and 2010. The Hydrological growing season was longest (162 days) in 2015, this was seen to be a result of the onset dates of rainfall occurring earlier and cessation dates later. Despite the upward trend rainfall is variable and unreliable and insufficient to meet the water needs of the plants, and this has a great implication resulting in cases of seasonal drought occurrences and reduced agricultural yield. The government policies as related to agriculture and water resources development should be based on recent rainfall parameters.

Źródło:

World News of Natural Sciences; 2020, 28; 171-186
2543-5426

Pojawia się w:

World News of Natural Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 48.

Tytuł:

Spatial-Temporal Analysis of Rainfall West Java Indonesia Using Empirical Orthogonal Function based on Singular Value Decomposition

Autorzy:

Pribadi, Diantiny Mariam
Sumiati, Ira
Purwani, Sri

Powiązania:

https://bibliotekanauki.pl/articles/1031922.pdf

Data publikacji:

2020

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Empirical Orthogonal Function
Rainfall
Singular Value Decomposition
Spatial-Temporal

Opis:

Rainfall is one of the climate variables that have a significant influence, especially in supporting the activities of various sectors in tropical countries. Climate change is causing rainfall variability in Indonesia. However, the analysis of climate variable patterns is difficult because of the formation of a large matrix. Empirical Orthogonal Function (EOF) analysis can be used to reduce the dimensions of large data by maintaining as much variation as possible from the original data set. The method used in this study is through the Singular Value Decomposition (SVD) approach. The analysis shows that 98.50% of the total rainfall variance can be represented by four EOF modes. Analysis of the spatial pattern of EOF1 shows that rainfall is below average, while the other EOF modes show variations in rainfall.

Źródło:

World Scientific News; 2020, 140; 113-126
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 49.

Tytuł:

The Changes in Temperature and Relative Humidity in Lagos State, Nigeria

Autorzy:

Salau, Opeyemi R.

Powiązania:

https://bibliotekanauki.pl/articles/1182945.pdf

Data publikacji:

2016

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

temperature
relative humidity
rainfall
global warming
heat stroke
lagos

Opis:

The variability in the temperature and Relative Humidity (RH) observed within Lagos State, a coastal region in Nigeria, is investigated using data from Nigeria Meteorological Agency (NIMET) for 1980 to 2010. The results reveal an annual mean value of 27.20°C and 83.01% for the temperature and RH respectively and an increasing trend in RH over the study period while such rising trend in the mean temperature is reversed from 2005 to 2010. The findings show an inverse relationship between the temperature and RH while it further indicates that low temperature is associated with increased rainfall under the accompanying cloudy condition and vice versa. These observations are supported by the strong correlation coefficients between the RH and the rainfall (0.72) and that between the RH and the temperature (-0.95) while -0.59 is obtained between the rainfall and the corresponding temperature. The correlations show that the impacts of the precipitation on RH are stronger than the effects it has on the temperature while both temperature and RH strongly depends on each other. Hence, under a future global warming, extremely warm atmospheric condition characterized by high RH in the coastal region could cause heat stroke, discomfort and health problems among the inhabitants. However, the area becomes conducive and attractive to tourists under moderate RH and good temperature.

Źródło:

World Scientific News; 2016, 49, 2; 295-306
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 50.

Tytuł:

Wheat yield response and seasonal salt profile evolution under irrigation with saline waters in a semi-arid region

Autorzy:

Cheraghi, Seyed A. M.

Powiązania:

https://bibliotekanauki.pl/articles/293346.pdf

Data publikacji:

2020

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

saline water
soil salinity
wheat yield
rainfall
leaching fraction

Opis:

Scarcity of fresh water resources is the major constraint for agricultural development in Iran as in many other regions with arid and semi-arid climate. With the pressure on fresh water resources, the use of un-conventional water resources including brackish, saline and sewage water has received greater attentions in recent years. The objective of this study was to assess the impact of farmers' practices using saline groundwater on wheat yield and soil salinity in a Mediterranean climate of Fars province in southern Iran. The study was carried out in several commercial wheat production regions for two years. Chemical analysis of irrigation waters, volume of applied irrigation water, electrical conductivity of soil saturation extract (ECe) and yield were measured in each field. General information on agronomic practices was also collected using a questionnaire. Results demonstrate that waters with salinities higher than what has been classified as “suitable for irrigation” are being used for the production of wheat crop. Analysis of wheat yield response to saline irrigation water showed that for water salinities up to 10.7 mS∙cm^–1 (threshold value) variation in yield was relatively minor, above which wheat yield decreased at a greater rate. Root zone salinity profiles showed the effect of winter rainfall in reducing soil salinity. It is concluded that although acceptable yields are obtained with some of the highly brackish waters, over application of these waters would threaten the sustainability of crop production in the region.

Źródło:

Journal of Water and Land Development; 2020, 44; 26-32
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 51.

Tytuł:

Digital Elevation Model resolution and its impact on the spatial pattern of rainfalltemperature prediction at the catchment scale: The case of the Mille catchment, Ethiopia

Autorzy:

Bati, Hirpo Gudeta

Powiązania:

https://bibliotekanauki.pl/articles/2058419.pdf

Data publikacji:

2022

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

KED
Mille catchment
mountainous catchment
rainfall
DEM resolution
temperature

Opis:

In a mountainous catchment, understanding the interaction between DEM resolution and climatic variables is essential for the accurate spatial interpolation of areal mean monthly and annual rainfall and temperature, which is required as an input for further applications such as hydrological and hydraulic modeling, agriculture, and environmental conservation. This case study applied the geostatistical interpolation technique, kriging with external drift (KED), with a digital elevation model (DEM) with various horizontal resolutions, which were used to assess the effects of the DEM horizontal resolutions on the spatial distributions of rainfall and temperature by focusing on interpolating the mean monthly and annual rainfall and temperature over a spatially diversified catchment. The assessment was undertaken using spatially and temporally complete sampled historical climatic datasets, and consequently, the spatial pattern of monthly and annual rainfall (temperature) from east to the west gradually increases or decreases following the DEM elevation increment along the same direction. As a result, the finer-resolution DEM (90-m SRTM-DEM) had a considerable impact on predicting the mean monthly minimum and maximum temperatures, whereas the resampled 500-m SRTM-DEM performed relatively better in mean monthly and annual rainfall and annual minimum temperature estimation values.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2022, 10, 1; 26--46
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 52.

Tytuł:

Rainfall Threshold for Landslide Warning in Southern Thailand – An Integrated Landslide Susceptibility Map with Rainfall Event – Duration Threshold

Autorzy:

Salee, Rattana
Chinkulkijniwat, Avirut
Yubonchit, Somjai
Bui Van, Duc

Powiązania:

https://bibliotekanauki.pl/articles/2202301.pdf

Data publikacji:

2022

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

rainfall threshold
landslide susceptibility level
contingency matrix
skill score

Opis:

Southern Thailand is one of hotspots for landslides. So far, the rainfall triggered landslides in this region caused many sufferers and fatalities. On the basis of the rainfall data that triggered ninety-two landslide events during 1988–2018 and the landslide susceptibility maps published by the Department of Mineral Resources (DMR), this study introduced rainfall event-duration (ED) thresholds, namely EDm and EDh thresholds, for the places classified as the modest and the huge susceptibility levels, respectively. The modest susceptibility is a combination of very low, low, and moderate landslide susceptibility levels indicated in DMR maps. The huge susceptibility is a combination of high and very high landslide susceptibility levels indicated in DMR maps. Indicated by an area under the receiver operating characteristic curve (AUC), the EDm and EDh thresholds yielded the significantly better predictability than the original threshold did. Furthermore, the EDm threshold yielded the perfect prediction with AUC of 1.00.

Źródło:

Journal of Ecological Engineering; 2022, 23, 12; 124--133
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 53.

Tytuł:

The Water Needs of Grapevines in the Different Regions of Poland

Autorzy:

Rolbiecki, Stanisław
Jagosz, Barbara
Rolbiecki, Roman
Ptach, Wiesław
Stachowski, Piotr
Kasperska-Wołowicz, Wiesława
Łangowski, Ariel
Sadan, Hicran A.
Klimek, Andrzej
Dobosz, Krzysztof

Powiązania:

https://bibliotekanauki.pl/articles/123482.pdf

Data publikacji:

2019

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

evapotranspiration
irrigation
rainfall deficit
Vitis vinifera L.
water requirements

Opis:

The aim of this study was to estimate the water needs of grapevines (Vitis vinifera L.) in the different regions of Poland. The requirements of grapevines water, considered as the crop evapotranspiration, were determined using the plant coefficient method. The grapevine plants crop evapotranspiration was measured using the reference evapotranspiration and plant coefficients. The plant coefficients were adapted to the reference evapotranspiration that was calculated using the Blaney‑Criddle’s formula, modified for Polish conditions by Żakowicz. The water needs of grapevines were determined for five agro‑climatic regions of Poland with the representative meteorological stations. The calculations of grapevines water requirements were carried out for the thirty‑year period determined from 1981 to 2010. The study was based on the six‑month growing season established from May 1 to October 31. Four months, including May, June, July and August, were considered as the irrigation period. The highest grapevines water requirements (440 mm) during the growing season, were observed in the north‑west and central‑east region of Poland. In turn, the lowest water requirements were revealed in the south‑east (414 mm) and north‑east (415 mm) region of the country. During the irrigation period, the highest grapevines water needs occurred in the central‑north‑west (355 mm) and central‑east (353 mm) region of Poland, while the lowest (329 mm) – in the south‑east region of the country. The upward time trend of the grapevines water requirements was observed both in the growing season and in the irrigation period. With the exception of the central‑north‑west region, this time trend was significant throughout Poland. The highest increase in the water needs of grapevines during the growing season (by 6.9 mm in each subsequent ten‑year period) occurred in the central‑east and south‑east region of Poland. In the irrigation period, the highest rise of grapevines water requirements was noted in the south‑west (7.4 mm decade ^‑1) and south‑east (7.6 mm decade ^‑1) region of the country. The highest rainfall deficit was observed in the central‑north‑west region of Poland; 125 mm during the growing season, and 117 mm in the irrigation period.

Źródło:

Journal of Ecological Engineering; 2019, 20, 7; 222-232
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 54.

Tytuł:

The analysis of fire hotspot distribution in Kalimantan and its relationship with ENSO phases

Autorzy:

Zahra, Rahma Aulia
Nurjani, Emilya
Sekaranom, Andung Bayu

Powiązania:

https://bibliotekanauki.pl/articles/52496184.pdf

Data publikacji:

2023

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

fire hotspot
ENSO
rainfall
land surface temperature
soil moisture

Opis:

Kalimantan experiences fire hazards almost every year, which threaten the largest tropical forest in Southeast Asia. Climatic conditions, such as increasing surface temperature and decreasing rainfall, become important especially when El Nino Southern Oscillation (ENSO) occurs. Studies on fire are commonly conducted based on the climatic condition such as the dry or wet season, but those which focused on analysis of fire occurrences with the specific ENSO phases are still limited. This study aims to identify the spatial and temporal distribution of rainfall, land surface temperature, and soil moisture and analyses the distribution of hotspots in Kalimantan from 2014 to 2020 during different ENSO phases. The data used are Moderate Resolution Imaging Spectroradiometer (MODIS) for hotspot analysis, Global Precipitation Measurement (GPM) for rainfall analysis, MODIS Land Surface Temperature (LST) for surface temperature analysis and Soil Moisture Active Passive (SMAP) for soil moisture analysis. The methods used were descriptive and spatial analyses based on each ENSO phase, which were then combined to analyse the temporal and spatial distribution of fire, rainfall, LST and soil moisture. The temporal distribution shows a positive relationship between ENSO, rainfall, LST, soil moisture and hotspots with a confidence level of 90% in the dry months of August– October. Fire occurred in most parts of West and Central Kalimantan, associated with low elevation, organic soil types and agricultural peatland. The average trend of increasing hotspots is 17.4% in the El Nino phase and decreasing hot- spots by 84.7% in the La Nina phase during August–October in Kalimantan.

Źródło:

Quaestiones Geographicae; 2023, 42, 1; 75-86
0137-477X
2081-6383

Pojawia się w:

Quaestiones Geographicae

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 55.

Tytuł:

The Links between Variations in Climate Patterns and ITCZ Position over Nigeria

Autorzy:

Opeyemi, Rabiu Salau

Powiązania:

https://bibliotekanauki.pl/articles/1179010.pdf

Data publikacji:

2017

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Climate
Flood
ITCZ
Rainfall
Solar Radiation
Temperature
Wind Speed

Opis:

The analysis of the observed 30 years data that include the monthly precipitation, wind speed and solar radiation from Maiduguri, Abuja, Ikeja and Port Harcourt is done to estimate the approximate shift in the Inter-Tropical Convergence Zone (ITCZ) mean position over Nigeria. The data are separated into three decades (1981-1990, 1991-2000 and 2001-2010) and their monthly mean values are compared with each other and with the corresponding magnitudes over the whole period (1981-2010). The results indicate that the overall precipitation increases southward across the country while the annual mean intensity rises over the decades in all the selected locations. Using the extreme decades, the magnitude of the rainfall in 2001-2010 is higher than the corresponding values in 1981-1990 by 20.84 mm, 9.87 mm, 18.40 mm and 6.89 mm in Maiduguri, Abuja, Ikeja (Lagos) and Port Harcourt respectively. Further investigation in all the locations showed periods of elevated monthly rainfall in the recent decades than other periods; the magnitudes compared to 1981-1990 are between 48.6mm-78.4mm which are much higher than the annual mean intensities while few months with very low rainfall are observed in Abuja and Port Harcourt. As expected, reverse pattern is seen in the wind speed which is generally lower in 2001-2010 than in 1981-1990. The rising magnitude of the precipitation over the decades imply that the ITCZ must have been shifting slightly over the periods to a more northern extreme in 2001-2010, causing northward spread of the rainfall which raises the overall intensity of the rainfall across Nigeria. A persistent northward shift in the ITCZ position with increasing magnitude of the associated rainfall could raise the current severity of soil erosion, frequency of flooding that might cause severe damages and paralyze businesses in Nigeria under such a future climate change. Hence, availability of data with advance technology for studying fluctuations in the ITCZ position might improve weather forecast that could favour farm yield and save lives and properties as climate changes in the future.

Źródło:

World Scientific News; 2017, 87; 191-204
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 56.

Tytuł:

Identification of meteorological conditions in the growth of Robinia pseudoacacia on the basis of pointer years in urban conditions

Autorzy:

Kalbarczyk, Robert
Ziemiańska, Monika

Powiązania:

https://bibliotekanauki.pl/articles/957003.pdf

Data publikacji:

2017

Wydawca:

Polska Akademia Nauk. Instytut Dendrologii PAN

Tematy:

air temperature
rainfall
dendroclimatology
tree ring width
black locusts

Opis:

This study assessed changes in air temperature and rainfall during the growth of black locusts (Robinia pseudoacacia L.) in urban conditions in the city of Wroclaw based on pointer years. Materials consisted of 54 wooden discs taken from felled straight-trunked trees at a height of 1.3 m from the ground at four sampling sites in the area of a defunct garden established at the turn of the 20th century. Meteorological indicators were calculated based on monthly data obtained from the Wroclaw meteorological station, part of the national atmospheric monitoring network. Tree ring widths were determined using LINTABTM 6 and TSAP-Win software. A set of meteorological elements describing temperature and rainfall conditions during the growth of the black locusts significantly affecting the tree ring widths, were selected using cluster analysis. Pointer years were defined as the years when a unidirectional change (e.g. an increase) in tree ring width compared to a previous year was observed in at least 75% of the trees. In the multiannual period 1955–2014 we found seven pointer years, comprising three positive years (tree ring wider than in the year before): 1986, 1989, 1996, and four negative years (tree ring narrower than in the year before): 1963, 1983, 1990, 1991. The width of the tree rings were formed under the influence of different unique thermal and rainfall systems each year. Within the groups of positive and negative pointer years, individual months differed in the impact of air temperature and rainfall conditions on tree ring widths.

Źródło:

Dendrobiology; 2017, 77; 33-43
1641-1307

Pojawia się w:

Dendrobiology

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 57.

Tytuł:

New approach to estimate the shear stress and the force of raindrops and their effect on erodibility of agricultural soils

Autorzy:

Moussouni, A.
Bouhadef, M.
Mouzai, L.

Powiązania:

https://bibliotekanauki.pl/articles/971607.pdf

Data publikacji:

2019

Wydawca:

Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej

Tematy:

erosive force
raindrops
rainfall simulator
shear stress
soil erodibility

Opis:

The objective of this work was to the study the erosive force of raindrops and the shear stress on the soil erodibility of disturbed and saturated agricultural soil. A mathematical development was used to determine a new approach to the shear stress. The soil erodibility is calculated using the WEPP (water erosion prediction project) model. To realize this work, an experimental study was led in a laboratory using the rainfall simulator. The soil tray used in this study has a length of 2 m, width of 50 cm and a depth of 15 cm and the slope was adjusted with a system. The soils used were sandy and silty agricultural soils. The results show that the relationship between the erosive force of raindrops and the shear stress on the soil erodibility increased respectively as a power and linear function with an important coeffiient of determination. As regards the relationships between soil erodibility and the mean raindrop diameter, the evolution is represented by a power function with high coeffiient of determination.

Źródło:

Polish Journal of Soil Science; 2019, 52, 1; 74-93
0079-2985

Pojawia się w:

Polish Journal of Soil Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 58.

Tytuł:

Rainfall-river discharge modelling for flood forecasting using Artificial Neural Network (ANN)

Autorzy:

Obasi, Arinze A.
Ogbu, Kingsley N.
Orakwe, Chukwuemeka L.
Ahaneku, Isiguzo E.

Powiązania:

https://bibliotekanauki.pl/articles/292776.pdf

Data publikacji:

2020

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

artificial neural network (ANN)
rainfall
flood forecasting
river discharge

Opis:

This study is aimed at evaluating the applicability of Artificial Neural Network (ANN) model technique for river discharge forecasting. Feed-forward multilayer perceptron neural network trained with back-propagation algorithm was employed for model development. Hydro-meteorological data for the Imo River watershed, that was collected from the Anambra-Imo River Basin Development Authority, Owerri – Imo State, South-East, Nigeria, was used to train, validate and test the model. Coefficients of determination results are 0.91, 0.91 and 0.93 for training, validation and testing periods respectively. River discharge forecasts were fitted against actual discharge data for one to five lead days. Model results gave R² values of 0.95, 0.95, 0.92, 0.96 and 0.94 for first, second, third, fourth, and fifth lead days of forecasts, respectively. It was generally observed that the R2 values decreased with increase in lead days for the model. Generally, this technique proved to be effective in river discharge modelling for flood forecasting for shorter lead-day times, especially in areas with limited data sets.

Źródło:

Journal of Water and Land Development; 2020, 44; 98-105
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 59.

Tytuł:

Seasonal and interannual variability in runoff from the Werenskioldbreen catchment, Spitsbergen

Autorzy:

Jania, Jacek
Majchrowska, Elżbieta
Ignatiuk, Dariusz
Marszałek, Henryk
Wąsik, Mirosław

Powiązania:

https://bibliotekanauki.pl/articles/2049626.pdf

Data publikacji:

2015

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

Arctic
Spitsbergen
Werenskioldbreen
discharge variability
rainfall and ablation regimes

Źródło:

Polish Polar Research; 2015, 3; 197-224
0138-0338
2081-8262

Pojawia się w:

Polish Polar Research

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 60.

Tytuł:

Wpływ przyjętych rozkładów czasowych zmienności deszczu na wyniki modelowania opad-odpływ
The influence of rain temopration on the results of rainfall-runoff model

Autorzy:

Stodolak, R.
Baran, J.
Knap, E.

Powiązania:

https://bibliotekanauki.pl/articles/400275.pdf

Data publikacji:

2018

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

modelowanie
opad-odpływ
HEC-HMS
Bystrzyca
modeling
rainfall-runoff

Opis:

Praca dotyczy doboru rozkładu czasowego opadu wykorzystanego do procesu modelowania typu opad-odpływ. Jako obszar badawczy wykorzystano zlewnię Bystrzycy, będącej lewostronnym dopływem Nysy Kłodzkiej. Dla realizacji założeń konieczne było stworzenie kilku wariantów możliwego rozkładu czasowego deszczu, w tym jednego wykorzystującego szeroko stosowaną metodę opartą na zaleceniach Niemieckiego Związku Gospodarki Wodnej i Melioracji DVWK. Do weryfikacji i kalibracji wyników modelowania wykorzystano dane opadowe oraz pomierzone wartości przepływów pozyskane z zasobów IMGW-PIB. Dane związane z zagospodarowaniem terenu oraz rozkładem gleb na terenie zlewni, które zostały wykorzystane w procesie modelowania, wymagały analizy przy użyciu narzędzi pozwalających na przetwarzanie informacji przestrzennej w środowisku GIS. Proces modelowania został przeprowadzony w programie HEC-HMS 4.2 za pomocą zaimplementowanego w nim modelu NRCS-UH (dawniej SCS-CN) opracowanego przez Amerykańską Służbę Ochrony Gleb (Soil Conservation Service SCS). Celem modelowania było sprawdzenie, który z przyjętych rozkładów czasowej zmienności opadu wygeneruję falę hipotetyczną najbardziej zbliżoną do fali rzeczywistej z 13.06.2015 roku. Jako niezależne miary dopasowania hydrogramu symulowanego względem obserwowanego wykorzystano statystyki w postaci: współczynnika efektywności modelu Nash-Sutcliffe (NS), średniego błędu bezwzględny MAE oraz pierwiastka błędu średniokwadratowego RMSE. Na podstawie kalibracji modelu przeprowadzonego na podstawie wezbrania z 2015 roku wskazano na wariant z rozkładem czasowym opadu, w którym kulminacja przypada na 12 godzinę opadu.
The paper concerns the selection of precipitation time distribution used in the process of development rainfall-runoff model. The Bystrzyca catchment area, which is a left-bank tributary of the Nysa Kłodzka River, was used as a research area. In order to achieve the assumptions, it was necessary to create several variants of possible rainfall time distribution, including one using a widely used method based on the recommendations of the German Association for Water Management and Land Melioration DVWK. To verify and calibrate the modeling results, rainfall data and measured values of flow obtained from the Institute of Meteorology and Water Management – National Research Institute resources were used. Data related to land use and soil arrangement in the catchment area, which were used in the modelling process, required analysis with the use of tools enabling the processing of spatial information in the GIS environment. The modelling process was carried out in HEC-HMS 4. 2 using the NRCS-UH model (formerly SCS-CN) implemented by the American Soil Conservation Service (SCS). The aim of the modeling process was to check which of the assumed distributions of time variation of precipitation will generate the hypothetical wave closest to the actual wave of 13. 06. 2015. Independent measures of the simulated hydrogramme’s adjustment to the observed one, included statistics in the form of: Nash-Sutcliffe (NS) coefficient of performance, mean absolute error of the MAE, and the root mean square error of the RMSE model. On the basis of the calibration of the model carried out on the basis of the increase of the rainfall in 2015, a variant with the precipitation time distribution was indicated, in which the culmination falls on the 12th hour of precipitation.

Źródło:

Inżynieria Ekologiczna; 2018, 19, 6; 87-93
2081-139X
2392-0629

Pojawia się w:

Inżynieria Ekologiczna

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 61.

Tytuł:

REAKCJA WÓD POWIERZCHNIOWYCH I PODZIEMNYCH NA OPADY W ZLEWNI RÓŻANEGO STRUMIENIA
Surface water and groundwater response to precipitation in the Różany Strumień basin

Autorzy:

CZUCHAJ, ALEKSANDRA
WOLNY, FILIP
MARCINIAK, MAREK

Powiązania:

https://bibliotekanauki.pl/articles/896381.pdf

Data publikacji:

2019

Wydawca:

Poznańskie Towarzystwo Przyjaciół Nauk

Tematy:

rainfall-runoff
basin lag
basin monitoring
water table fluctuations

Opis:

The aim of the presented research was to analyze the relation between three variables: the daily sum of precipitation, the surface water level and the groundwater level in the Różany Strumień basin located in Poznań, Poland. The correlation coefficient for the subsequent lags for each pair of variables time series has been calculated. The delay with which waters of the basin respond to precipitation varies significantly. Generally, stronger response to rainfall is observed for surface water levels as opposed to groundwater levels.

Źródło:

Badania Fizjograficzne Seria A - Geografia Fizyczna; 2019, 10(70); 7-19
2081-6014

Pojawia się w:

Badania Fizjograficzne Seria A - Geografia Fizyczna

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 62.

Tytuł:

A Comparative Evaluation of the Use of Artificial Neural Networks for Modeling the Rainfall-Runoff Relationship in Water Resources Management

Autorzy:

Turhan, Evren

Powiązania:

https://bibliotekanauki.pl/articles/1838400.pdf

Data publikacji:

2021

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

rainfall-runoff model
artificial neural networks
MLR
Nergizlik Dam

Opis:

Recently, Artificial Neural Network (ANN) methods, which have been successfully applied in many fields, have been considered for a large number of reliable streamflow estimation and modeling studies for the design and project planning of hydraulic structures. The present study aimed to model the rainfall-runoff relationship using different ANN methods. The Nergizlik Dam, located in the Seyhan sub-basin and one of the important basins in Turkey, was chosen as the study area. Analyses were carried out based on streamflow estimation with the help of observed precipitation and runoff data at certain time intervals. Feed Forward Backpropagation Neural Network (FFBPNN) and Generalized Regression Neural Network (GRNN) methods were adopted, and obtained results were compared with Multiple Linear Regression (MLR) method, which is accepted as the traditional method. Also, the models were performed using three different transfer functions to create optimum ANN modeling. As a result of the study, it was seen that ANN methods showed statistically good results in rainfall-runoff modeling, and the developed models can be successfully applied in the estimation of average monthly flows.

Źródło:

Journal of Ecological Engineering; 2021, 22, 5; 166-178
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 63.

Tytuł:

Weryfikacja metod wymiarowania kanalizacji deszczowej za pomocą modelu hydrodynamicznego (SWMM) w warunkach wrocławskich
Verification of storm sewerage sizing methods with the hydrodynamic model SWMM 5.0 for the municipality of Wroclaw

Autorzy:

Kaźmierczak, B.
Kotowski, A.
Dancewicz, A.

Powiązania:

https://bibliotekanauki.pl/articles/236864.pdf

Data publikacji:

2012

Wydawca:

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych

Tematy:

opad deszczu
kanalizacja
modelowanie hydrodynamiczne
rainfall
sewerage system
hydrodynamic modeling

Opis:

Dokonano weryfikacji przydatności wybranych metod czasu przepływu do projektowania kanalizacji deszczowej, na przykładzie modelowej zlewni miejskiej o powierzchni 1,54 km2 w terenie płaskim. W tym celu zwymiarowano sieć kanalizacji deszczowej trzema metodami, tj. metodą granicznych natężeń ze wzorem W. Błaszczyka, metodą granicznych natężeń z modelem opadów we Wrocławiu i metodą współczynnika opóźnienia z modelem opadów we Wrocławiu. Następnie sprawdzono działanie sieci ze względu na nadpiętrzenia do powierzchni terenu i wylania, przy wykorzystaniu modelu hydrodynamicznego SWMM 5.0. Jako obciążenie zlewni zastosowano opad modelowy Eulera (typ II) w warunkach wrocławskich oraz opad rzeczywisty zarejestrowany w stacji IMGW Wrocław-Strachowice. Wykazano, że bezpieczną metodą wymiarowania kanalizacji deszczowej jest metoda współczynnika opóźnienia, przy zastosowaniu kryterium braku nadpiętrzeń i wylewów z kanalizacji.
Selected flow time methods were verified for application in the design of storm sewer systems, taking a model municipal flat drainage basin of a 1.54 km2 surface area as an example. For the purpose of verification, the storm sewerage was sized using three methods: the method of critical intensities with Blaszczyk's formula, the method of critical intensities with the precipitation model for the city of Wroclaw, and the method of delay coefficient with the precipitation model for the city of Wroclaw. Thereafter use was made of the hydrodynamic model SWMM 5.0 in order to verify the functioning of the storm sewer system, taking into account two factors: damming up above the ground level, and flooding from the drains. Drainage area load was described by Euler's precipitation model (type II) for the conditions of the city of Wroclaw, and by an actual rainfall event recorded at the Wroclaw-Strachowice station of the Institute of Meteorology and Water Management. It has been demonstrated that the method of delay coefficient, where the absence of both damming up above the ground level and flooding from the drains is taken as the criterion, is a safe flow time method of storm sewer system sizing for this municipal drainage basin.

Źródło:

Ochrona Środowiska; 2012, 34, 2; 25-31
1230-6169

Pojawia się w:

Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 64.

Tytuł:

Evolution of rill networks on soil - mantled experimental landscapes driven by rainfall and baselevel adjustments

Autorzy:

Gordon, L. M.
Bennett, S. J.
Wells, R. R.

Powiązania:

https://bibliotekanauki.pl/articles/294356.pdf

Data publikacji:

2011

Wydawca:

Stowarzyszenie Geomorfologów Polskich

Tematy:

rill erosion
rill networks
headcuts
simulated rainfall
digital elevation models

Opis:

Experiments were conducted using a soil-mantled flume subjected to simulated rain and downstream baselevel lowering to quantify the evolution of rill networks. Results show that: (1) headcuts formed by baselevel lowering were the primary drivers of rill incision and network development, and the communication of this wave of degradation occurred very quickly through the landscape, (2) rill networks extended upstream by headcut erosion, where channels bifurcated and filled the available space, (3) rill incision, channel development, and peaks in sediment efflux occurred episodically, linked directly to the downstream baselevel adjustments, and (4) sediment discharge and rill drainage density approached asymptotic values with time following baselevel adjustments despite continuous application of rainfall. These findings have important implications for the prediction of soil loss, rill network development, and landscape evolution where headcut erosion can occur.

Źródło:

Landform Analysis; 2011, 17; 57-63
1429-799X

Pojawia się w:

Landform Analysis

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 65.

Tytuł:

Preliminary studies on the spatial distribution of artificial 137Cs and natural gamma radionuclides in the region of the Ojców National Park, Poland

Autorzy:

Stobiński, M.
Jędrzejek, F.
Kubica, B.

Powiązania:

https://bibliotekanauki.pl/articles/148352.pdf

Data publikacji:

2018

Wydawca:

Instytut Chemii i Techniki Jądrowej

Tematy:

137Cs
gamma spectrometry
natural radioactivity
soil
rainfall
organic content

Opis:

The aim of the research is to obtain preliminary information about the spatial distribution of gamma radionuclides in the soils taken from the Ojców National Park with emphasis on the behaviour of artificial radionuclides, with 137Cs as a representative. The natural radionuclides 40K, 226Ra (uranium series), and 228Th (thorium series), which are considered as background radiation, were also determined. In total, 18 soil samples were collected during the summer periods in 2015–2017, while the sampling points were selected with respect to differences in rainfall and local topography gradient. The method was based on gamma-ray spectrometry performed on high-purity germanium (HPGe) gamma detector (relative efficiency 34%). 137Cs was mostly deposited in the top soil layers, with activity in the range of 27.9÷586.6 Bq•kg–1. We found strong positive correlation of the 137Cs activity with the soil organic matter content, and at the same time, its dependence on the rainfall amount. Consequently, the soil types and local climate can control the spatial distribution of 137Cs on a small spatial scale. The quantity of natural radionuclides was highly similar in all samples with the following mean values: 38.0 Bq•kg–1 for 228Th, 33.1 Bq•kg–1 for 226Ra, and 479.9 Bq•kg–1 for 40K.

Źródło:

Nukleonika; 2018, 63, 4; 105-111
0029-5922
1508-5791

Pojawia się w:

Nukleonika

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 66.

Tytuł:

Evaporation channel consumes hundred times more solar power than the winds over the globe

Autorzy:

Agrawal, Dulli C.

Powiązania:

https://bibliotekanauki.pl/articles/1119138.pdf

Data publikacji:

2017

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Free convection
air
earth
evaporation
rainfall
solar power
water
wind

Opis:

The free convection of the water and air over the globe induces evaporation of standing water and the generation of wind, respectively. The ratio of the corresponding heat transfer coefficients is shown to be equal to the ratio of solar power going into evaporation/precipitation and into wind generation. The present work provides a justification for the estimate on wind power reported by M. King Hubbert and also that wind generation on a global scale is about two-order magnitudes less than the solar power responsible for rainfall. This paper resolves the existing ambiguity in the estimates of wind power over the globe.

Źródło:

World News of Natural Sciences; 2017, 7; 42-48
2543-5426

Pojawia się w:

World News of Natural Sciences

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 67.

Tytuł:

Regional Distribution of Malaria in Ekiti State, Nigeria

Autorzy:

Salau, Opeyemi R.
Ewumi, Taofeek
Owolabi, Bunmi E.
Ajayi, Gabriel O.
Ajayi, Oluwaseun E.

Powiązania:

https://bibliotekanauki.pl/articles/1192596.pdf

Data publikacji:

2016

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Malaria
Mosquito
Rainfall
Temperature
Ekiti State
Ado – Ekiti
Population
Plasmodium

Opis:

The impacts of fluctuations in weather and climate on malaria prevalence under a future climate change have been an issue of major interest because the disease is a public health problem. Thus, this study investigates the impacts of rainfall on the regional variations of malaria in Ekiti State, Nigeria using 2001-2011 data. The data are for the Central, Eastern, Northern, Western and Southern parts of Ekiti State which are represented by Ado, Ekiti East, Oye, Ekiti South West and Ijero LGAs respectively based on the available data. The results indicate that the total infections over the study period in Ado, Ekiti East, Oye, Ekiti South West and Ijero LGAs are 207033, 67890, 80827, 55986 and 87521 cases respectively. The malaria disease is most rampant among the youths in all the LGAs while the observed cases within the female populations are also slightly higher than the mean infections in the male group. Similarly, an increase in rainfall intensity will lead to corresponding rise in the malaria cases while the spread of the disease seems to also depend on population distribution with the highest seen in the highly populated Ado LGA and among the youths that has the most population in the age groups. However, the disease could be reduced through improved personal hygiene, good drainage system, sleeping under insecticide treated mosquito nets, spraying of insecticides and access to good and affordable medical services. These findings might be used in establishing good immunization system for the vulnerable children and other age groups so as to curb the spread of the disease.

Źródło:

World Scientific News; 2016, 55; 89-100
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 68.

Tytuł:

Comparison of water needs and precipitation deficiency during the growing season of asparagus in the region of Bydgoszcz and Wroclaw

Autorzy:

Rolbiecki, S.
Rolbiecki, R.
Jagosz, B.
Biniak-Pieróg, M.
Żyromski, A.

Powiązania:

https://bibliotekanauki.pl/articles/101121.pdf

Data publikacji:

2017

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

Asparagus officinalis L.
evapotranspiration
plant coefficients
rainfall deficit
water requirements

Opis:

The aim of the study was to compare the water requirements and the precipitation deficiencies during cultivation of asparagus in the period from June to August in the regions of Bydgoszcz and Wroclaw. The water needs were calculated using the plant coefficient. The reference evapotranspiration was measured by Grabarczyk’s method (1976). The coefficients kc, determined for the Polish conditions by Rolbiecki (2013), were used to estimate the water requirements considered as the crop evapotranspiration. In the studied period (from June to August, 1996-2015), higher water requirements of asparagus were noted in the Wroclaw region (366.1 mm) than in the Bydgoszcz region (288.5 mm). The monthly water needs in June, July and August were 69.8 mm, 128.8 mm and 167.5 mm, respectively, in the Wroclaw region, and 55.5 mm, 98.5 mm and 134.5 mm, respectively, in the Bydgoszcz region. In July, the tendency to increase the water requirements in both observed regions was noted. The monthly crop evapotranspiration in July rose in each decade by 12.3 mm in the Bydgoszcz region and by 21.2 mm in the Wroclaw region. In the 20-year study, the rainfall deficit in June and July during 11-13 years was noted. In August, the precipitation deficiencies were observed during 16 years in the Bydgoszcz region and during 19 years in the Wroclaw region. A higher rainfall deficit during the 20-year period under study was reported in the Wroclaw region (128.5 mm) than in the Bydgoszcz region (87.0 mm). In August, the highest monthly precipitation deficiencies of 100.3 mm (Wroclaw region) and 70.3 mm (Bydgoszcz region) were noted.

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/3; 1843-1854
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 69.

Tytuł:

The impact of the soil additives application on the rainwater surface runoff

Autorzy:

Drgoňová, K.
Novotná, B.
Antal, J.

Powiązania:

https://bibliotekanauki.pl/articles/124444.pdf

Data publikacji:

2016

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

water erosion
surface runoff
soil additives
rainfall simulator
rainwater modelling

Opis:

The main aim of this work was the application of the soil additives into soil and the study of their impact on the amount of surface runoff originating from rainwater. Execution of research was carried out on the modified portion of the land at Department of Biometeorology and Hydrology, SUA Slovakia. Land was divided into four experimental plots. Individual treatments consisted of application of perlite, charcoal and water glass into the top layer of the experimental plots. The fourth experimental field was kept as a black fallow (control). To perform the measurements, rainfall simulator was used in six measurement series. We can conclude that the application of perlite is not an adequate treatment for erosion control practices, since its application increased the surface runoff. Increased application dose of additives resulted in the positive effects of the water glass application. Surface runoff for this treatment decreased in average by about 41% in comparison to control. This positive effect was observed only after the second application of the soil additives.

Źródło:

Journal of Ecological Engineering; 2016, 17, 5; 22-26
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 70.

Tytuł:

Precipitation amounts triggering landslide processes in the western part of the Nałęczów Plateau (Lublin Upland, Poland)

Autorzy:

Demczuk, Piotr
Zydroń, Tymoteusz
Szafran, Tomasz

Powiązania:

https://bibliotekanauki.pl/articles/15805023.pdf

Data publikacji:

2022

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

slope stability
shallow landslide
rainfall thresholds
loess
the Nałęczów Plateau

Opis:

This study covers the western part of Poland’s loess Nałęczów Plateau (Kazimierz Dolny, Zbędowice). Mass movements in the Lublin Upland occur during periods of increased precipitation or after a snowy and cold winter. To date, there are no comprehensive studies on active (precipitation, hydrology, vegetation, land use, anthropogenic factors) or passive factors (lithology, slope angle) causing such geohazards in this region. This area’s formations are characterised by high sensitivity to even small changes in moisture content; thus, their geotechnical parameters deteriorate as a result of precipitation or rising groundwater levels. The calculations in this study were chosen to determine the time necessary for ground response to external factors, in addition to determining the impact of these factors on decreases in the factor of safety (FS). Based on calculations in GeoStudio software, the impacts of rainfall totals and duration on slope failure, interpreted as an event where the FS falls below 1.0, were analysed. Accordingly, the threshold rainfall value was determined as the total rainfall at the time of slope failure. The study’s results indicate that loess covers are characterised by average water permeability, relatively high internal friction angles and low cohesion, which, combined with high slope inclination, favour landslide formation even when the slope is only partially saturated. The most unfavourable stability conditions occur at the beginning of spring, indicating that loess stability is significantly affected by snowmelt and precipitation at the beginning of the vegetation season, as well as the occurrence of episodic intense precipitation during the summer.

Źródło:

Quaestiones Geographicae; 2022, 41, 3; 33-51
0137-477X
2081-6383

Pojawia się w:

Quaestiones Geographicae

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 71.

Tytuł:

Municipal waste market in Poland - analysis of the type of collected waste and liquid waste

Autorzy:

Brzeszczak, Adam

Powiązania:

https://bibliotekanauki.pl/articles/1030601.pdf

Data publikacji:

2020

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

liquid waste
municipal waste
rainfall market in Poland
waste management

Opis:

The subject of the following study is the municipal waste market in Poland. The theoretical part of the study provides an overview of the definition of waste, as well as listing its types. In the empirical part, an analysis of the type of municipal waste and liquid waste was carried out.

Źródło:

World Scientific News; 2020, 144; 313-325
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 72.

Tytuł:

Mathematical modelling of rainfall runoff from small catchments of the northwest coast of the Black Sea

Autorzy:

Moniushko, M.
Daus, M.
Zakharova, M.

Powiązania:

https://bibliotekanauki.pl/articles/108582.pdf

Data publikacji:

2015

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

spatial model
radar data
ground data
rainfall
discharge
runoff
hydrograph

Opis:

This article is devoted to the use of a mathematical model of a flood runoff for calculating rainfall runoff hydrographs from small catchments of the northwest coast of the Black Sea. The described model was tested and applied for the following catchments located in various geographical conditions, with various amounts of initial data: experimental catchments in Zacarpathian, the northwest of the Black Sea region – Ukraine and the Republic of Moldova, small catchments of the northern part of Vietnam, etc. This work was carried out on the basis of Moldavian Water-Balance Station databases. The development of a complex approach to a mathematical simulation of the formation of the processes of rain floods from small catchments is also given further investigation in this article. A brief description of the structure of a flood runoff spatial model from small catchments then provided. As well as this, the advantages of using radiolocation measurement of rainfall in the mathematical modeling of the formation of a flood runoff are shown. The results of construction runoff hydrographs confirm the possibility of applying this spatial model with the use of radar information. The optimization of model parameters was made with the data of 123 floods. The values of the quality criterion S/σ turned out not to exceed the value 0.8 in 81% of the considered cases of floods.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2015, 3, 1; 45-50
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 73.

Tytuł:

The use of archived precipitation data in the assessment of soil erosion risk in the Świętokrzyskie Province of central-southern Poland

Autorzy:

Jarzyna, K.
Krupa, J.
Zieliński, A.

Powiązania:

https://bibliotekanauki.pl/articles/184555.pdf

Data publikacji:

2017

Wydawca:

Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH

Tematy:

rainfall erosivity index [EI30]
archived precipitation data
Świętokrzyskie Province

Opis:

The usefulness of archived IMGW–PIB published reports was discussed as a source of information on high total and intensity precipitation that generates the risk of soil erosion. The study area consist of the Świętokrzyskie Province of central-southern Poland. The data were obtained mainly from yearbooks: The Atmospheric Precipitation Yearbooks and Results of pluviographic studies and precipitation of high intensity for the period 1959–1981. The analysis is limited to the occurrence of rainfall events that produced at least 30 mm of rainwater and were classified as A 3 or higher on the Chomicz scale of rainstorms and downpours. A total of 247 rainstorms and downpours were recorded at 74 weather stations in the Świętokrzyskie Province. The utilized data sets allowed he estimation of erosivity index values using a simplified Wischmeier and Smith equation. Their erosivity index reached up to 6,387.8 MJ∙mm∙ha −1 ∙h −1 with a median value of 455.8 MJ∙mm∙ha −1 ∙h −1. This maximum value of EI was recorded at the Słupia weather station in the southwestern part of the study area. However, high erosivity rainfalls most often occurred in the lower section of the Nida Valley (in the Wiślica weather station). Precipitation characterized by the greatest erosivity occurred in June and July.

Źródło:

Geology, Geophysics and Environment; 2017, 43, 3; 201-211
2299-8004
2353-0790

Pojawia się w:

Geology, Geophysics and Environment

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 74.

Tytuł:

Analiza intensywnych opadów w Falentach
The analysis of intensive precipitations in Falenty

Autorzy:

Szymczak, T.

Powiązania:

https://bibliotekanauki.pl/articles/337928.pdf

Data publikacji:

2003

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

meteorologia
opady atmosferyczne
intensywność opadu
meteorology
rainfall
precipitation
storm intensity

Opis:

W artykule przedstawiono zakres pomiarów meteorologicznych prowadzonych od 1996 roku na stacji meteorologicznej Instytutu Melioracji i Użytków Zielonych w Falentach. Podano ogólną charakterystykę opadów atmosferycznych mierzonych w wieloleciu 1966–2000 w Falentach. Zbadano zmienność czasową opadów o wydajności powyżej 50 mm, jakie wystąpiły w lipcu 1997 i 1998 r. Uzyskane wyniki potwierdziły znaną prawidłowość, że ocena natężenia opadu w dużym stopniu zależy od przyjętego kroku czasowego uśredniania. Wartości maksymalnych natężeń określanych z krokiem czasowym 1 godzina były do 7,8 razy niższe niż natężenia liczonego z krokiem czasowym 1 minuta.
The paper presents the range of measurements conducted since 1966 at the IMUZ meteorological station in Falenty near Warsaw. General characteristics of precipitation measured in the period of 1966–2000 in Falenty is given. The research included temporal variability of rainfalls with the intensity above 50 mm, which took place in July 1997 and 1998. Results show that the assessment of rainfall intensity depends mostly on the time step of averaging. Maximal intensities determined with the time step of one hour were up to 7.8 times lower then intensities measured with the time step of one minute.

Źródło:

Woda-Środowisko-Obszary Wiejskie; 2003, T. 3, z. spec. (6); 159-166
1642-8145

Pojawia się w:

Woda-Środowisko-Obszary Wiejskie

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 75.

Tytuł:

Impact of rainfall variability on maize yield in the KwaZulu-Natal, North-West and Free State provinces of South Africa (1987–2017)

Autorzy:

Mapfumo, Phrasia
Chagwiza, Clarietta
Antwi, Michael

Powiązania:

https://bibliotekanauki.pl/articles/1891733.pdf

Data publikacji:

2020-12-28

Wydawca:

Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane

Tematy:

climate change
rainfall
mean maize yield
correlation
ANOVA
South Africa

Opis:

Climate change has increased temperature, caused drought in places like North West Province, and reduced crop yield. This study investigated the climate change impact (rainfall) on maize yield (1987 -2017). The objectives were to determine the climate change impact on maize yield for Kwazulu-Natal, North West, and Free State Provinces of South Africa, assess the difference in climate change impact on maize yield between the three provinces. Rainfall and maize data were collected from WeatherSA and DAFF, respectively. A Pearson Correlation Analysis revealed a weak negative correlation between rainfall and maize for KwaZulu-Natal and Free State Provinces. However, for North West Province there was a weak positive correlation between maize yield and rainfall. Rainfall determines yield, if excessive, it becomes detrimental to crop yield. Climate change affected negatively on maize yield, rainfall above maize requirement was not beneficial to crop yield and drought reduced yield too. ANOVA results revealed that the group mean yield between the Provinces was different, with KwaZulu-Natal having the highest mean yield. The climate change impact on maize varied between provinces, KwaZulu-Natal Province was least affected, however, North West Province was the most negatively impacted with drought events leading to reduced maize yield.

Źródło:

Journal of Agribusiness and Rural Development; 2020, 58, 4; 359-367
1899-5241

Pojawia się w:

Journal of Agribusiness and Rural Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 76.

Tytuł:

Social capital networks, microcredit and poverty status of rural households in Nigeria

Autorzy:

Ogunleye, Ayodeji Sunday

Powiązania:

https://bibliotekanauki.pl/articles/1891740.pdf

Data publikacji:

2020-12-29

Wydawca:

Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane

Tematy:

climate change
rainfall
mean maize yield
correlation
ANOVA
South Africa

Opis:

This study examined how social capital networks contribute to rural households’ poverty status in Southwestern Nigeria. A multistage sampling procedure was used to select a total of 300 households for this study. A structured questionnaire was used to obtain information and data were analyzed using descriptive statistics, Foster, Greer and Thorbecke (FGT) poverty measure and Two-Stage Least Square model (2SLS). Results showed that poverty incidence, depth and severity were 60%, 46.70% and 20.10% respectively among the sampled households. The results indicated that forms of social capital networks in the study area include cooperative societies, family and friends, farmers’, professional career, religious, and microfinance groups. The results further showed that 66.00% of the households in the study area sourced microcredit from cooperative societies. The 2SLS estimate showed that the coefficient of the aggregate social capital index (β =730.83, p < 0.05) also showed a positive, significant relationship with household per capital expenditure. The result indicated that a unit increase in social capital network index of the household would increase household per capita expenditure in the study area by N730.83. The study concluded that membership of social capital networks positive influence households’ access to access to microcredit and poverty reduction.

Źródło:

Journal of Agribusiness and Rural Development; 2020, 58, 4; 369-378
1899-5241

Pojawia się w:

Journal of Agribusiness and Rural Development

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 77.

Tytuł:

Climate Change and its Effect on the Energy Production from Renewable Sources – A Case Study in Mediterranean Region

Autorzy:

Gjika, Eralda
Basha, Lule
Sokoli, Arnisa

Powiązania:

https://bibliotekanauki.pl/articles/2202305.pdf

Data publikacji:

2022

Wydawca:

Polskie Towarzystwo Inżynierii Ekologicznej

Tematy:

energy production
temperature
rainfall
CO2 emission
machine learning model

Opis:

In terms of climate forecasting, the Mediterranean region is among the most difficult. It is correlated with the five significant subtropical high pressure belts of the oceans and is symbolized by dry and hot summer and cold and rainy winter. Due to its location in the area, Albania is particularly susceptible to climatic changes. It has been noted that summertime sees the greatest temperature increases. More intense heat waves that stay longer and occur more frequently are anticipated in the eastern Mediterranean. The seasonal patterns of precipitation have not changed, but the amount of rain has become more intense. The effects of climate change have drawn attention to various renewable energy sources, including solar and wind power. In this study, the changes and prospective in average temperature, rainfall, humidity, CO2 emission and their impact in energy production were investigated. Several different models such as Auto Regressive Integrated Moving Average method; Prophet algorithm; Elastic-Net Regularized Generalized Linear Model; Random Forest Regression models; Prophet Boost algorithm; have been built for the study and prediction of each variable. The appropriate models are used to determine the anticipated values of the indicators for a period of four years. The prediction shows an increase in CO2 emission which leads to a decrease in energy production by hydropower. These findings suggest the use of other renewable sources for energy production in the country and the Mediterranean region.

Źródło:

Journal of Ecological Engineering; 2022, 23, 12; 285--298
2299-8993

Pojawia się w:

Journal of Ecological Engineering

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 78.

Tytuł:

Computational environment HYDRO-PATH as a flexible tool for operational rainfall-runoff model design

Autorzy:

Tokarczyk, T.
Szalińska, W.
Tiukało, A.
Jełowicki, J.
Chorążyczewski, A.

Powiązania:

https://bibliotekanauki.pl/articles/108540.pdf

Data publikacji:

2016

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

rainfall-runoff model
operational application
computational environment
model development
system design

Opis:

The overall objective of the ongoing work is to develop the computational environment HY DRO-PATH as a flexible tool for forecasting runoff from catchment areas for various hydrometeorological conditions while taking into account the information available on a real-time basis. Ensuring the model’s operational reliability and reducing the uncertainty of generated forecasts is accomplished through the adjustment of both the internal structure of the model and the spatial representation of the computational grid to the physiographical, hydrological and climatological characteristics of a given basin. The research focused on the development of methods for selecting the optimal model structure and parameters by analysing the results obtained for different model structures. This is achieved through the computational environment, in which it is possible to implement different types of hydrological rainfall-runoff models. These models have a unified system of data input, parameter optimisation rules, and procedures for result generation. The developed elements of the computational environment correspond to generation potential of models with a given structure and complexity. Furthermore, within the framework of HY DRO-PATH the following components were developed: an application programming interface (API), a data assimilation module, a module for computational representation of a real object, and a module for the estimation and optimisation of model parameters. The developed computational environment was applied to prepare a version of TOPO-Flex and perform hydrological validation of the model’s results. The hydrological validation was performed for selected flood events in the Bystrzyca Dusznicka subbasin of the Nysa Kłodzka River.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2016, 4, 1; 65-77
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 79.

Tytuł:

A modeling framework to assess the impact of climate change on river runoff

Autorzy:

Kuchar, L.
Iwański, S.
Jelonek, L.
Szalińska, W.

Powiązania:

https://bibliotekanauki.pl/articles/108599.pdf

Data publikacji:

2014

Wydawca:

Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy

Tematy:

climate change
spatial weather generator
regional hydrology
distributed rainfall-runoff model

Opis:

Global climate change is anticipated to have consequences on water resources and the environment both at global and local/regional levels. Efforts towards proper management of future water resources and resolving potential water-related conflicts require the formulation of appropriate techniques to downscale the output of global climate models (GCM) to local conditions for hydrologic prediction. The paper presents an integrated framework for modeling the impact of climate change on river runoff that combines methodology for downscaling climate change scenarios for a basin scale with a hydrological model to estimate the impact of climate change on a river runoff. The modeling framework uses long-term observations of meteorological and hydrological variables together with a climate change scenario to provide a projection of future flows for the specified time horizon. The framework is based on a spatial weather generator and a distributed rainfall-runoff model. Such a configuration enables a reflection of the uncertainty of future conditions by running multiple realizations of future conditions, and also take into account the spatial variability of hydrological properties in the catchment by maintaining the physical details at a given grid size. The performance of the framework was presented for the Kaczawa basin that is one of the main left bank tributaries of the Odra River – the second biggest river in Poland. The results show simulated changes of the future river flow regime caused by climatic changes for two time horizons: 2040 and 2080.

Źródło:

Meteorology Hydrology and Water Management. Research and Operational Applications; 2014, 2, 2; 49-63
2299-3835
2353-5652

Pojawia się w:

Meteorology Hydrology and Water Management. Research and Operational Applications

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 80.

Tytuł:

The geomorphological effectiveness of extreme meteorological phenomena on flysch slopes

Autorzy:

Gorczyca, E.

Powiązania:

https://bibliotekanauki.pl/articles/294721.pdf

Data publikacji:

2008

Wydawca:

Stowarzyszenie Geomorfologów Polskich

Tematy:

extreme events
heavy rainfall
landslies
flysch slopes
Beskid Wyspowy
Bieszczady Niskie

Opis:

Extreme events tend to cause large-scale slope system changes. During the last ten years, a series of extreme meteorological events caused considerable transformation of the slopes and valleys in various parts of the Carpathian Mountains. This paper presents the geomorphological effects of extreme rainfall and thaw events on the slopes of two catchments: the lososina catchment (Beskid Wyspowy) and the Hoczewka catchment with an area around the Solinskie Lake (Bieszczady Niskie). The bulk of the discussion concerns a study carried out in the Lososina catchment after three separate extreme events that were followed by a considerable transformation of the slopes due to landsliding. The studies carried out in the Biesr.cr.ady Range, where a single extreme event produced only spatially limited effects, were mainly used for comparison. '[he disparity between the responses of the two slope systems was a result of differences between the systems themselves, including their geology, geomorphology and landslide record, and of the difference in the scale of the extreme events.

Źródło:

Landform Analysis; 2008, 6; 15-27
1429-799X

Pojawia się w:

Landform Analysis

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 81.

Tytuł:

Obliczenia symulacyjne sieci kanalizacyjnej w dzielnicy Głogowa
Simulation analysis of the combined sewer system in a part of Głogów city

Autorzy:

Ogiołda, E.
Powęski, T.

Powiązania:

https://bibliotekanauki.pl/articles/371887.pdf

Data publikacji:

2011

Wydawca:

Uniwersytet Zielonogórski. Oficyna Wydawnicza

Tematy:

zależność opadu i odpływu
kanalizacja ogólnospławna
rainfall-runoff
combined sewers system

Opis:

W artykule przedstawiono wyniki obliczeń hydraulicznych sieci ogólnospławnej dzielnicy Głogowa, przeprowadzonych przy pomocy programu komputerowego EPA SWMM. Pozwoliły one na określenie parametrów charakteryzujących przepływ w kanałach, a symulacje dotyczące opadów o różnej charakterystyce umożliwiły wskazanie słabych punktów sieci i rozwiązań zmierzających do poprawy stanu systemu.
Results of simulation calculations made for combined sewers system in a part of Głogów carried out with EPA SWMM were presented in this pa-per. They made possible to estimate parameters of flow for different pre-cipitations, to identify poor points in system and to choose methods for their improvement.

Źródło:

Zeszyty Naukowe. Inżynieria Środowiska / Uniwersytet Zielonogórski; 2011, 144 (24); 81-91
1895-7323

Pojawia się w:

Zeszyty Naukowe. Inżynieria Środowiska / Uniwersytet Zielonogórski

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 82.

Tytuł:

Local flooding in the USA, Europe, and Poland - an overview of strategies and actions in face of climate change and urbanisation

Autorzy:

Jarosińska, E.

Powiązania:

https://bibliotekanauki.pl/articles/101029.pdf

Data publikacji:

2016

Wydawca:

Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN

Tematy:

urban flooding
flash flood
impervious cover
rainfall event
urbanisation
urban runoff

Opis:

Urbanisation and climate change have significant impact on disturbing water balance in catchments. Uncontrolled urban development, increased land surface sealing, and increasingly appearing heavy rainfall cause local inundations called urban flooding. Rational catchment water management necessitate that a new approach to the problem of flooding be introduced that includes the human factor. Greater emphasis should be placed on local management of rainfall water within catchment, especially in urban areas. What is more, it is of utmost importance to provide efficient legal system and co-operation of various authorities and decision-makers in terms of urban land use management. The present article reviews different courses of actions taken in order to improve reasonable water management in the USA, Europe, and Poland in face of climate change and urbanization that cause flooding.

Źródło:

Infrastruktura i Ekologia Terenów Wiejskich; 2016, III/1; 801-821
1732-5587

Pojawia się w:

Infrastruktura i Ekologia Terenów Wiejskich

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 83.

Tytuł:

Analysis and Mapping of Water Erosion Vulnerability Using GIS for the Mghila Watershed, Northwest of Algeria

Autorzy:

Ratiat, Abdelkader
Haddad, Ali
Bouaichi, Ilham
Matene, Chahrazed Naziha

Powiązania:

https://bibliotekanauki.pl/articles/31340452.pdf

Data publikacji:

2023

Wydawca:

Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN

Tematy:

water erosion
silting
extreme rainfall
extreme runoff
arid regions
sediment transport

Opis:

Intensification of extreme rainfall-runoff events in arid and semi-arid regions because of climate change induce the water erosion that contributes considerably to the loss of vegetal layers of soils and reduce the storage capacity of dams by silting of transported sediments from the watershed to the impoundment. This paper aims at proposing means for protecting the Mghila dam against silting by identification and delimitation of vulnerable areas to water erosion. This dam, built in the North-West of Algeria, ensures irrigated cultivation. Topographical, geological, and land use characteristics of the watershedwere analyzed using the geographic information system (GIS). Analysis of results has allowed the identification by area percentage four-vulnerability classes with sensitivity to the water erosion: low (18.89%), medium (13.08%), high (65.05%) and very high (8.38%). The spatial distribution of the lithological substratum friability, the vegetation cover and slope degrees have led to the development of an efficient strategy for the watershed management in order to reduce the effect of water erosion on soil degradation and silting of the Mghila dam.

Źródło:

Archives of Hydro-Engineering and Environmental Mechanics; 2023, 70, 1; 71-87
1231-3726

Pojawia się w:

Archives of Hydro-Engineering and Environmental Mechanics

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 84.

Tytuł:

Wymiarowanie zbiorników retencyjnych ścieków deszczowych na podstawie syntetycznych szeregów czasowych opadów deszczu
Reservoir dimensioning based on synthetic rainfall time series

Autorzy:

Licznar, P.

Powiązania:

https://bibliotekanauki.pl/articles/237826.pdf

Data publikacji:

2013

Wydawca:

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych

Tematy:

hydrodynamic model
rainfall disaggregation
storm water
kanalizacja deszczowa
model hydrodynamiczny
deszcz

Opis:

Current progress in hydrodynamic modeling of urban drainage systems enables better modeling and dimensioning of stormwater reservoirs. According to new German DWA-A 117 guidelines, hydrodynamic simulations based on local, long-lasting rainfall time series are obligatory for dimensioning of stormwater reservoirs installed on drainage systems with area in excess of 200 ha. Results of stormwater outflow simulation series allow for probabilistic dimensioning of necessary reservoir volume. This is fully in line with the overall probabilistic philosophy of drainage system functioning introduced by the European Standard PN-EN752. This methodology is not applied in Poland due to the lack of local, long-lasting rainfall time series with time resolution of individual minutes. The paper proposes replacing the missing data with the synthetic one, originating from daily rainfall totals disaggregation. This strategy was tested in the example of a hydrodynamic model of a small drainage system located in Wroclaw. The system had a single underground tank installed and its maximum outflow was limited. The system performance was analyzed against 250 real rainfalls (derived from a 38-year local record) and 2554 synthetic rainfall scenarios derived from 10 independent rainfall time series (38 years each) that had previously been generated by microcanonical cascade model. Complex hydrodynamic simulations based on real and synthetic rainfall time series led to generation of system overtopping volume plots against their return periods. Overtopping volume plots for real and synthetic time series were observed to correlate very well. In addition, a common single overtopping volume versus return period plot was developed for all 2554 synthetic rainfall scenarios. This plot may serve as a probabilistic assessment of necessary retention volumes for long return periods of up to 380 years.
Współczesny postęp w modelowaniu hydrodynamicznym miejskich systemów odwadniania umożliwia lepsze modelowanie i wymiarowanie zbiorników retencyjnych wód deszczowych. Zgodnie z nowymi niemieckimi wytycznymi DWA-A 117, symulacje hydrodynamiczne bazujące na lokalnych wieloletnich szeregach czasowych deszczów są obowiązujące w przypadku wymiarowania zbiorników retencyjnych instalowanych w systemach odwadniania o powierzchni przekraczającej 200 ha. Wyniki szeregu symulacji hydro-dynamicznych odpływu wód deszczowych pozwalają na probabilistyczne wymiarowanie niezbędnej pojemności zbiorników, co jest w pełnej zgodności z ogólną probabilistyczną filozofią funkcjonowania systemów odwadniania, wprowadzoną przez normę europejską EN-752. Metodologia ta nie jest stosowana w Polsce z uwagi na brak lokalnych, wieloletnich szeregów deszczów, mających rozdzielczość czasową rzędu pojedynczych minut. W pracy zaproponowano zastąpienie brakujących danych syntetycznymi danymi pochodzącymi z rozdziału dobowych sum deszczu. Możliwość taka została przetestowana na przykładzie modelu hydrodynamicznego małego systemu kanalizacyjnego zlokalizowanego we Wrocławiu, z zainstalowanym pojedynczym podziemnym zbiornikiem ograniczającym maksymalny odpływ. Funkcjonowanie systemu zostało przeanalizowane z wykorzystaniem 250 rzeczywistych deszczów (wydzielonych z 38-letnich zapisów) i 2554 syntetycznych scenariuszów deszczów wydzielonych z 10 niezależnych szeregów czasowych (o długości 38 lat każdy), uprzednio wygenerowanych przez model kaskady mikrokanonicznej. Jako wynik kompleksowych symulacji hydrodynamicznych bazujących na rzeczywistych i syntetycznych szeregach deszczów opracowano wykresy zależności objętości nadpiętrzeń w sieci od okresów ich powtarzalności. Stwierdzono dobrą zgodność opracowanych wykresów objętości nadpiętrzeń w przypadku szeregów rzeczywistych i syntetycznych. Ponadto opracowano pojedynczy wspólny wykres objętości nadpiętrzeń względem okresów ich powtarzalności w zbiorze wszystkich 2554 syntetycznych scenariuszy opadów deszczu. Wykres ten może być traktowany jako probabilistyczna ocena niezbędnej objętości retencji w długim horyzoncie czasowym ich powtarzalności, aż do 380 lat.

Źródło:

Ochrona Środowiska; 2013, 35, 2; 27-32
1230-6169

Pojawia się w:

Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 85.

Tytuł:

Comparative study of meteorological and hydrological drought characteristics in the Pekalen River basin, East Java, Indonesia

Autorzy:

Harisuseno, Donny

Powiązania:

https://bibliotekanauki.pl/articles/946923.pdf

Data publikacji:

2020

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

drought index
rainfall anomaly index
standardized precipitation index
standardized streamflow index

Opis:

Drought is known as a normal part of climate and including in a slow-onset natural hazard which may have several impacts on hydrology, agriculture, and socioeconomic. Drought monitoring, including its severity, spatial and duration is required and becomes an essential input for establishing drought risk management and mitigation plan. Many drought indices have been introduced and applied in regions with different climate characteristics in the last decades. This paper aims to compare standardized precipitation index (SPI) and rainfall anomaly index (RAI) along with standardized streamflow index (SSI) in Pekalen River Basin, East Java, Indonesia. The statistical association analyses, included the Pearson correlation (r), Kendal tau (τ), and Spearman rho (rs) were performed to examine the degree of consistency between monthly and annual drought index of SPI and RAI. Additionally, the comparative analysis was performed by overlapping both monthly and annual drought index from the SPI and RAI with the SSI at hydrological years. The study revealed that the characteristic of the annual drought index between the SPI and RAI exhibits pattern similarity which indicated by the high correlation coefficient between them. Further, the comparative analysis on each hydrological year showed that the SPI and RAI were very well correlated and exhibited a similar pattern with the SSI. Overall, the SPI shows better performance than the RAI for estimating drought characteristic either monthly or annual basis. Hence, the SPI is considered as a reliable and effective tool for analyzing drought characteristic in the study area.

Źródło:

Journal of Water and Land Development; 2020, 45; 29-41
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 86.

Tytuł:

Colonization of wheat grain by Fusaria in two crop management systems varying in intensity of production technology.

Autorzy:

Czaban, J.
Wróblewska, B.
Sułek, A.
Podolska, G.

Powiązania:

https://bibliotekanauki.pl/articles/2199604.pdf

Data publikacji:

2011-12-20

Wydawca:

Instytut Hodowli i Aklimatyzacji Roślin

Tematy:

wheat
grain infection level
fusarium species
crop management system
rainfall level

Opis:

The purpose of this study was to investigate the effects of two cropping systems (intensive and integrated) on infection level of winter and spring wheat kernels by Fusarium species. Field experiments were conducted with winter wheat ‘Tonacja’ and spring wheat ‘Bombona’ during two consecutive growing seasons (2007/2008 and 2008/2009 - winter wheat, and 2008 and 2009 - spring wheat). A rainfall level in 2009 from the last decade of May to the first decade of July was 2.5-times higher than that in 2008. After the harvest, kernels were surface disinfected with 1.5% NaOCl solution for 2 min and then analysed for the infection level by different species of Fusarium. Fusaria were isolated on CZID medium and identified on the basis of macro - and micro-morphology on three media (PDA, SNA and a medium containing tannin). Our results demonstrate that the wheat grain infection by Fusarium depended mainly on a rainfall level. The intensive cropping system was more conducive to the grain infection by fusaria in comparison to the integrated one. The most frequent species were F. avenaceum in 2008, and F. graminearum, F. avenaceum and F. poae in 2009.

Źródło:

Plant Breeding and Seed Science; 2011, 64; 3-14
1429-3862
2083-599X

Pojawia się w:

Plant Breeding and Seed Science

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 87.

Tytuł:

Comparsion of TRMM Precipitation Satellite Data over Central Java Region – Indonesia

Autorzy:

Sekaranom, Andung Bayu
Nurjani, Emilya
Hadi, M. Pramono
Marfai, Muh Aris

Powiązania:

https://bibliotekanauki.pl/articles/1051514.pdf

Data publikacji:

2018-10-15

Wydawca:

Uniwersytet im. Adama Mickiewicza w Poznaniu

Tematy:

TRMM satellite precipitation
seasonal rainfall comparison
rain gauge precipitation
Central Java Region

Opis:

This research aims to compare precipitation data derived from satellite observation and ground measurements through a dense station network over Central Java, Indonesia. A precipitation estimate from the Tropical Rainfall Measuring Mission (TRMM) Multi-satellite Precipitation Analysis (TMPA) 3B42 Version 7 are compared with precipitation data from interpolated rain gauge stations. Correlation analysis, mean bias error (MBE), and root mean square error (RMSE) were utilized in the analysis for each thee-monthly seasonal statistics. The result shows that the 3B42 products often estimate lower rainfall than observed from weather stations in the peak of the rainy season (DJF). Further, it is revealed that the 3B42 product are less robust in estimating rainfall at high elevation, especially when humid environment, which is typical during the rainy season peak, are involved.

Źródło:

Quaestiones Geographicae; 2018, 37, 3; 97-114
0137-477X
2081-6383

Pojawia się w:

Quaestiones Geographicae

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 88.

Tytuł:

Trend analysis of rainfall in Satluj River Basin, Himachal Pradesh, India

Autorzy:

Kumar, Sandeep
Gill, G. S.
Santosh, Santosh

Powiązania:

https://bibliotekanauki.pl/articles/1193980.pdf

Data publikacji:

2015

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Himachal Pradesh
Mann-Kendall test
Rainfall
Regression
Satluj River Basin
Trend analysis

Opis:

attention recently, especially in connection with climate change. The changing pattern of rainfall deserves urgent and systematic attention for planning, development, utilisation and management of water resources. The daily data on variable were converted to monthly and then computed to seasonal and annual series. Annual rainfall (mm/yr) was calculated as the sum of monthly values. The missing values in the data were computed by using average method. The records of rainfall were subjected to trend analysis by using both non-parametric (Mann-Kendall test) and parametric (linear regression analysis) procedures. For better understanding of the observed trends, data were computed into standardised precipitation indices (SPI). These standardised data series were plotted against time and the linear trends observed were represented graphically. Trend analysis results of rainfall show that out of 15 annual trends 6 (40%) are increasing and 9 (60%) are decreasing in nature where 1 (6.6%) is statistically significant (increasing) and 2 (13.3%) are statistically significant (decreasing) at 95% confidence level. Similarly, the changes were investigated for the four seasons: winter (December-March), pre-monsoon (April-June), monsoon (July-September) and post-monsoon (October-November). The analysis of rainfall, annual as well as seasonal, of different gauge stations in Satluj River Basin showed a large variability in the trends and magnitudes from 1984 to 2010. The rainfall shows great temporal and spatial variations, unequal seasonal distribution with frequent departures from normal. Majority of gauge stations have experienced decreasing trends, both on seasonal and annual scales. Some were statistically significant at 95% confidence level. The sensitivity of rainfall variations provides important insight regarding the responses and vulnerability of different areas to climate change. It will further strengthen the formulation of future strategy for management of water resources.

Źródło:

World Scientific News; 2015, 14; 1-55
2392-2192

Pojawia się w:

World Scientific News

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 89.

Tytuł:

Rainfall Variability of South-West Monsoon: A Special Study Based on Ratnapura District, Sri Lanka

Autorzy:

Kaleel, M. I. M.

Powiązania:

https://bibliotekanauki.pl/articles/1112561.pdf

Data publikacji:

2018

Wydawca:

Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN

Tematy:

Climate change
Meteorological Department
Moving average
Rainfall variability
Ratnapura District
Sri Lanka

Opis:

This study was conducted using secondary data from the Meteorological Department obtained from five stations in Ratnapura District: Ratnapura, Eheliyagoda, Balangoda, Lellopitiya and Embilipitiya. The objective of the study was ‘to identify rainfall trend and variability analysis in the study area and to find the impact of climate changes on rainfall variability in the study area’. The average rainfall in the selected stations are: in Embilipitiya - between 112 mm to 170 mm, in Balangoda - from 170 mm to 230 mm, Lellopitiya – from 230 mm - 290 mm and both Ratnapura and Eheliyagoda - 290 mm to 360 mm. To identify the rainfall variability, the moving average technique was employed, using 7 years of data. According to the result of this study, climate change has impact on rainfall variability in the Ratnapura District.

Źródło:

World News of Natural Sciences; 2018, 18, 2; 195-202
2543-5426

Pojawia się w:

World News of Natural Sciences

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 90.

Tytuł:

The importance of the objective functions and flexibility on calibration of parameters of Clark instantaneous unit hydrograph

Autorzy:

Wałęga, A.

Powiązania:

https://bibliotekanauki.pl/articles/100368.pdf

Data publikacji:

2014

Wydawca:

Uniwersytet Rolniczy im. Hugona Kołłątaja w Krakowie

Tematy:

flood wave
calibration
elasticity
modeling
rainfall
fala powodziowa
kalibracja
sprężystość
modelowanie
opady

Opis:

The paper compares the results of automatic calibration of Clark's synthetic unit hydrographs. Optimal values of model parameters were determined by the objective functions: percentage error in peak flow (PEPF), percentage error in volume (PEV), peak-weighted root mean square error (PWRMSE), sum of absolute residuals (SAB.) and sum of squared residuals (SSR). The last part of the analysis assesses the flexibility of studied model. The research was performed in the upland watershed of Grabinka - left tributary of the Wisłoka river located in Southern Poland. The analysis reveals that the smallest differences between the maximum flow in the observed and calculated flood culmination were obtained when applying PWRMSE function. This paper also indicates, that Clark's model was efficient for describing the analyzed floods.

Źródło:

Geomatics, Landmanagement and Landscape; 2014, 2; 76-86
2300-1496

Pojawia się w:

Geomatics, Landmanagement and Landscape

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 91.

Tytuł:

Analiza wpływu czynników meteorologicznych na zmienność poboru wody w miejskim systemie wodociągowym
Analysis of influence of meteorological factors on water demand variations in municipal water supply system

Autorzy:

Hotloś, H.

Powiązania:

https://bibliotekanauki.pl/articles/236902.pdf

Data publikacji:

2013

Wydawca:

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych

Tematy:

water supply
air temperature
rainfall
zaopatrzenie w wodę
temperatura powietrza
opad atmosferyczny

Opis:

Analysis of variations in daily water demand in relationship to meteorological factors, i.e. air temperature and rainfall intensity, was carried out for the city of Wroclaw and the year 2011. 60% of water pumped into the supply system was consumed by households, 22% was used for other communal purposes, while 18% constituted water utilized by the system itself as well as water loss. Studies of the relationship between water demand and meteorological factors were performed for individual months, when the number of residents was almost constant. The relationship, in numbers, between water demand and air temperature (average and maximum) as well as rainfall intensity was estimated separately for working days (including Saturdays) and non-working days (Sundays and holidays). The statistical analysis performed implies strong influence of maximum daily air temperature on daily water demand in summer months (from May until August). Water uptake in May, June and July on days with the highest maximum temperature was higher by 11.8%, 11.1% i 13.3% respectively, than on days with the lowest maximum temperature. A noticeable influence of rainfall intensity on decrease in water demand was identified on working days in June, the warmest and the driest month in the analyzed year.
Przeprowadzono analizę zmian dobowego poboru wody we Wrocławiu w 2011 r. w zależności od czynników meteorologicznych, tj. temperatury powietrza i wysokości opadów atmosferycznych. Prawie 60% z ilości wody wtłoczonej do sieci wodociagowej po-brano na potrzeby gospodarstw domowych, 22% na pozostałe cele komunalne, a 18% sta-nowiła woda zużyta na potrzeby własne systemu wodno-ściekowego oraz straty wody. Badania związków między poborem wody a czynnikami meteorologicznymi przeprowadzono w poszczególnych miesiącach, kiedy liczba mieszkańców była prawie stała. Liczbowe zależności między poborem wody a temperaturą powietrza (średnią i maksymalną) i wysokością opadów atmosferycznych określono oddzielnie w dniach roboczych (z sobotami) oraz wolnych od pracy (niedziele i święta). Z dokonanej analizy statystycznej wynika, że istnieje bardzo wyraźny wpływ maksymalnej dobowej temperatury powietrza na dobowy pobór wody w miesiącach letnich (od maja do sierpnia). W dniach o największej temperaturze maksymalnej w maju, czerwcu i lipcu pobór wody był odpowiednio o 11,8%, 11,1% i 13,3% większy niż w dniach o najmniejszej temperaturze maksymalnej w tych miesiącach. Zauważalny wpływ wysokości opadów deszczu na zmniejszenie poboru wody stwierdzono w dniach roboczych w czerwcu, który był najcieplejszym i najbardziej suchym miesiącem w analizowanym roku.

Źródło:

Ochrona Środowiska; 2013, 35, 2; 57-62
1230-6169

Pojawia się w:

Ochrona Środowiska

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 92.

Tytuł:

Paradoxes in the development of gullies

Autorzy:

Starkel, L.

Powiązania:

https://bibliotekanauki.pl/articles/294661.pdf

Data publikacji:

2011

Wydawca:

Stowarzyszenie Geomorfologów Polskich

Tematy:

gully formation
linear erosion
piping
mass movements
rainfall intensity
permability of substratum

Opis:

Gullies in the temperate zone are the products of linear erosion, piping and mass movements active mostly during heavy rains. On dominant role of one of those three co-operating processes decide the parameters of rainfalls and permability of substratum. The diversity of gullying depends also on the inherited relief and stage of development of gully forms. In the cultivated areas the formation of gullies is initiated also by cart-roads.

Źródło:

Landform Analysis; 2011, 17; 11-13
1429-799X

Pojawia się w:

Landform Analysis

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 93.

Tytuł:

Influence of the Weather Conditions on Faba Bean Yielding
Wpływ warunków pogodowych na plonowanie bobiku

Autorzy:

Kulig, B.
Kołodziej, J.
Oleksy, A.
Kołodziejczyk, M.
Sajdak, A.

Powiązania:

https://bibliotekanauki.pl/articles/389196.pdf

Data publikacji:

2011

Wydawca:

Towarzystwo Chemii i Inżynierii Ekologicznej

Tematy:

bobik
opady
temperatura
współczynnik Sielianinowa
faba bean
yield
rainfall
temperature
Sielianinov coefficient

Opis:

The aim of this work was to determine the relationship between faba bean seeds yield, number of its seeds per sqm (m2) as well as 1000 seeds weight and meteorological factors and their deviations from optimal values. Results of experinients conducted in 1989–1991, 1993–1995 and 1999–2003 at the Experimental Station Prusy near Krakow were shown in this paper. The yield of faba bean grown on degraded chernozem, ranged between 2.11 and 5.20 Mg ha–1. The seed yield demonstrated high correlation with the number of seeds per sqm, and much lower with weight of 1000 seeds. There were no statistical significant correlation between yield of seeds and meteorological factors. Weight of 1000 seeds have been positively correlated with deviation of precipitation sum from water requirements in the period April–August, and with average air temperature in April. Number of seeds per sqm was significant correlated with deviation of precipitation sum from water requirements in may and average air temperature in April.
Celem pracy było określenie zależności pomiędzy plonem nasion, liczbą nasion na m2 oraz masą 1000 nasion bobiku (Nadwiślański) uprawianego na czarnoziemie zdegradowanym a czynnikami pogodowymi (średnią miesięczną temperaturą powietrza, miesięczną sumą opadów, współczynnikiem hydrotermicznym oraz odchyleniami sumy opadów od potrzeb opadowych bobiku). W pracy wykorzystano wyniki badań polowych przeprowadzonych w Stacji Doświadczalnej w Prusach (Uniwersytet Rolniczy w Krakowie) w latach 1989-1991, 1993-1995 i 1999-2003. Bobik plonował w granicach 2,11-5,20 Mg ha-1. Plon nasion wykazywał wysoką istotną korelację z liczbą nasion na 1 m2, a znacznie mniejszą i nieistotną z masą 1000 nasion. Nie stwierdzono istotnej korelacji pomiędzy wielkościami czynników meteorologicznych w poszczególnych miesiącach a plonem nasion. Masa 1000 nasion wykazywała największą korelację z odchyleniami sumy opadów od potrzeb opadowych w okresie kwiecień-sierpień oraz średnią miesięczną temperaturą kwietnia, natomiast liczba nasion na m2 z odchyleniami sumy opadów od potrzeb opadowych w maju oraz średnią miesięczną temperaturą kwietnia.

Źródło:

Ecological Chemistry and Engineering. A; 2011, 18, 8; 1071-1078
1898-6188
2084-4530

Pojawia się w:

Ecological Chemistry and Engineering. A

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 94.

Tytuł:

Zapobieganie skutkom posuch na przykładzie wieloletnich badań z deszczowaniem jęczmienia jarego
Prevention of results of drought occurrence on an example of long-term trials with sprinkler irrigation of spring barley

Autorzy:

Żarski, J.
Dudek, S.
Rzekanowski, Cz.

Powiązania:

https://bibliotekanauki.pl/articles/337848.pdf

Data publikacji:

2005

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

deszczowanie
jęczmień jary
opady atmosferyczne
posucha
drought
rainfall
spring barley
sprinkler irrigation

Opis:

W pracy dokonano syntetycznej analizy wyników wieloletnich (1987-2003) ścisłych eksperymentów polowych z deszczowaniem jęczmienia jarego na luźnej glebie piaszczystej w Kruszynie Krajeńskim koło Bydgoszczy. Badania na glebie o małej retencji wodnej i braku możliwości podsiąku umożliwiły bezpośrednią identyfikację skutków występowania posuchy na podstawie spadków plonowania jęczmienia jarego, którego zapotrzebowanie na wodę było pokrywane niemal wyłącznie przez bieżące opady atmosferyczne. Oceniono również możliwość eliminowania skutków występowania okresów posusznych w wyniku stosowania nawodnień deszczownianych. Uzyskane bardzo duże efekty deszczowania, które zależały w istotny sposób od nasilenia posuchy, powinny być brane pod uwagę w programowaniu nawodnień, ze względu na ich znaczenie dla poprawy wskaźników wydajności, jakości i stabilności produkcji roślinnej na glebach lekkich i bardzo lekkich.
A synthetic analysis of results from long-term field trials (1987-2003) on sprinkler irrigation of spring barley on a loose sandy soil at Kruszyn Krajeński near Bydgoszcz was made in the paper. Realization of experiments on the soil of characterized by low water retention and the lack of infiltration afforded possibilities for direct identification of the results of drought occurrence on the basis of decreases in yields of spring barley which water requirements were covered almost only by current rainfall. Possibility for elimination of the results of drought occurrence due to sprinkler irrigation. Very large results of sprinkler irrigation which were significantly dependent on the degree of drought intensity, can be taken into consideration in irrigation programming because of their importance for improvement of productivity indices, quality and stability of plant production on the light soils and the very light soils.

Źródło:

Woda-Środowisko-Obszary Wiejskie; 2005, T. 5, z. spec.; 383-392
1642-8145

Pojawia się w:

Woda-Środowisko-Obszary Wiejskie

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 95.

Tytuł:

Rainfall thresholds for the occurrence of shallow landslides determined for slopes in the Nowy Wiśnicz Foothills (Polish Flysch Carpathians)

Autorzy:

Demczuk, Piotr
Zydroń, Tymoteusz
Siłuch, Marcin

Powiązania:

https://bibliotekanauki.pl/articles/2058628.pdf

Data publikacji:

2019

Wydawca:

Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy

Tematy:

landslide
slope stability
rainfall threshold
VADOSE/W
SLOPE/W
Polish Flysch Carpathians

Opis:

Values of rainfall thresholds on selected shallow landslide slopes (Dział, Gwoździec) located in the Nowy Wiśnicz Foothills are determined using a physically-based slope stability model considering a long-term period of analysis (GeoSlope Inc. software). Slope stability analysis included determination of the impact of rainfall on changes of stress state within the soil substrate and their influence on estimation of mass movement risk. The slope stability calculation results have shown that the rainfall threshold values are a function of many variables, primarily the hydraulic properties of soil and rock substratum, temporal distribution of precipitation, and soil moisture content conditions in the period proceeding rainfall. The results of the calculations indicate that, in extreme cases, accumulated rainfall threshold values for the same slope can range from ~100 to 500 mm. Estimated rainfall threshold values were lower than those values reported in the literature for the Polish Carpathians, but are similar to those determined by Guzetti et al. (2007) for Central and Southern Europe.

Źródło:

Geological Quarterly; 2019, 63, 4; 822--838
1641-7291

Pojawia się w:

Geological Quarterly

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 96.

Tytuł:

Modelling the impact of design rainfall on the urban drainage system by Storm Water Management Model
Modelowanie wpływu projektowanego opadu na system miejskiego drenażu z użyciem modelu zarządzania wodami burzowymi

Autorzy:

Laouacheria, Fares
Kechida, Said
Chabi, Moncef

Powiązania:

https://bibliotekanauki.pl/articles/292837.pdf

Data publikacji:

2019

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

composite rainfall
double triangle rainfall
flood
hydraulic modelling
Storm Water Management Model
stormwater network
metoda podwójnych trójkątów
model zarządzania wodami burzowymi
modelowanie hydrauliczne
powódź
sieć wód burzowych
złożony opad

Opis:

Flood modelling is an effective way to manage the stormwater network in cities. It aims to understand and predict the behaviour of stormwater network so that it can test and evaluate effective solutions to structural and operational problems. So simulation modelling stays a preoccupation for building a successful hydraulic modelling in urban areas. This study investigates the impact of the design rainfall on the hydraulic modelling results for the Azzaba stormwater network located in the North-East of Algeria by using the Storm Water Management Model (SWMM). Four scenarios of design rainfall events were compared for 10, 25 and 50-year return periods, where we used double triangle and composite curves for the design rainfall event definition. The results show the impact of the choice of design rainfall on the behaviour of the stormwater network, from which the results of simulation by the double triangle method for the short durations represents a great risk on the probability that the stromwater network can overflow and flood the city, with a difference in peak discharge estimated at 62.97% and 58.94% for 2 h and 3 h events compared to the peak discharge simulated by the composite rainfall method.
Modelowanie jest skuteczną metodą zarządzania siecią kanalizacji deszczowej w miastach. Umożliwia sprawdzenie działania oraz prognozę funkcjonowania sieci kanalizacji deszczowej, testując i oceniając skuteczność przyjętych rozwiązań. Dlatego modelowanie symulacyjne stanowi wstępny etap konstruowania modeli hydraulicznych dla obszarów miejskich. W niniejszej pracy przedstawiono wpływ projektowanego opadu na wyniki modelowania hydraulicznego sieci kanalizacji deszczowej Azzaba w północnowschodniej Algierii z zastosowaniem modelu zarządzania wodami burzowymi (SWMM). Porównano trzy scenariusze zdarzeń opadowych dla okresów powtarzalności 10, 25 i 50 lat. Kształty hietogramu opadu, opisano przy pomocy metody podwójnych trójkątów oraz krzywych syntetycznych. Stwierdzono wpływ doboru projektowanego opadu na wyniki symulacji sieci kanalizacji deszczowej. Wyniki modelowania wskazują, że w przypadku metody podwójnych trójkątów dla krótkotrwałych epizodów opadowych występuje ryzyko przepełnienia sieci kanalizacyjnej i zalania miasta. Różnica pomiędzy maksymalnymi odpływami obliczonymi dla deszczy dwu- i trzygodzinnych modelowanych metodą podwójnych trójkątów oraz metodą krzywych syntetycznych wynosiła odpowiednio 62,97% i 58,94%.

Źródło:

Journal of Water and Land Development; 2019, 40; 119-125
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 97.

Tytuł:

Water productivity under deficit irrigation using onion as indicator crop

Autorzy:

Tadesse, Kassahun B.
Hagos, Eyasu Y.
Tafesse, Nata T.
Dinka, Megersa O.

Powiązania:

https://bibliotekanauki.pl/articles/293258.pdf

Data publikacji:

2020

Wydawca:

Instytut Technologiczno-Przyrodniczy

Tematy:

drip irrigation
effective rainfall
real evapotranspiration
soil water
water quality
water use efficiency

Opis:

Improving water productivity (WP) through deficit irrigation is crucial in water-scarce areas. To practice deficit irrigation, the optimum level of water deficit that maximizes WP must be investigated. In this study, a field experiment was conducted to examine WP of the three treatments at available soil water depletion percentage (P_i) of 25% (reference), 45% and 65% using a drip irrigation system. Treatments were arranged in a randomized complete block design. The water deficit was allowed throughout the growth stages after transplanting except for the first 15 days of equal amounts of irrigations during the initial growth stage and 20 days enough spring season rainfall during bulb enlargement periods. Physical WP in terms of water use efficiency (WUEf) for treatments T1, T2, and T3 was 9.44 kg∙m^–3, 11 kg∙m^–3 and 10.6 kg∙m^–3 for marketable yields. The WUEf and economic water productivity were significantly improved by T2 and T3. The WUEf difference between T2 and T3 was insignificant. However, T2 can be selected as an optimal irrigation level. Hence, deficit irrigation scheduling is an important approach for maximizing WP in areas where water is the main constraint for crop production. The planting dates should be scheduled such that the peak water requirement periods coincide with the rainy system.

Źródło:

Journal of Water and Land Development; 2020, 45; 171-178
1429-7426
2083-4535

Pojawia się w:

Journal of Water and Land Development

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 98.

Tytuł:

Zastosowanie programu SWMM do modelowania ilości i jakości ścieków deszczowych
Application of SWMM software to modelling the quantity and quality of rainfall wastewater

Autorzy:

Szeląg, B.
Górski, J.
Bąk, Ł.
Górska, K.

Powiązania:

https://bibliotekanauki.pl/articles/125758.pdf

Data publikacji:

2015

Wydawca:

Towarzystwo Chemii i Inżynierii Ekologicznej

Tematy:

modelowanie hydrodynamiczne
SWMM
ścieki deszczowe
zawiesina ogólna
hydrodynamic modelling
rainfall wastewater
suspended solids

Opis:

Ze względu na stochastyczny charakter zjawisk opadowych, a także akumulacji oraz zmywania zanieczyszczeń zgromadzonych na powierzchni zlewni, prognoza jakości i ilości ścieków deszczowych jest bardzo złożona, co może prowadzić do znacznych błędów obliczeniowych na etapie doboru i projektowania ciągów technologicznych oczyszczalni wód deszczowych. Wytyczna ATV A-118 oraz norma PN-EN 752 zalecają do obliczeń hydraulicznych systemów kanalizacyjnych zastosowanie modelowania hydrodynamicznego dla zlewni o powierzchni przekraczającej 200 ha, ale również w przypadku występowania w sieci zjawiska wylania ścieków na powierzchnię terenu, co zdarza się na terenach miejskich stosunkowo często. Ponadto, ze względu na to, że w większości opracowane programy obliczeniowe (SWMM, Mouse, Mike Urban, Civil Storm) mają oprócz zaimplementowanych modułów do symulacji spływu także moduły określania jakości ścieków, wydaje się wskazane przeprowadzenie kompleksowych analiz w tym kierunku. Celem artykułu jest omówienie wyników symulacji numerycznych jakości i ilości ścieków uzyskanych przy pomocy programu SWMM dla zlewni kanału Si9 zlokalizowanej na terenie Kielc. W artykule wykonano obliczenia hydrogramów odpływu ze zlewni i stężeń zawiesiny przy założeniu stałego natężenia deszczu dla czasu trwania td = 15-180 min i prawdopodobieństwa wystąpienia opadu p = 20%. Ponadto opracowano model matematyczny oczyszczalni ścieków deszczowych, który pozwolił określić obciążenia ładunkiem zanieczyszczeń istniejącego ciągu technologicznego oraz ustalić objętość i ładunek zawiesiny ogólnej zrzucanej przelewem burzowym bezpośrednio do odbiornika. Przeprowadzone obliczenia wykazały nieznaczny wpływ jednostkowego spływu na masę zawiesiny ogólnej odpływającej z przedmiotowej zlewni zurbanizowanej.
Due to the stochastic character of precipitation phenomena, and also accumulation of pollutants in the catchment area and their wash-off, predicting the quantity and quality of rainfall wastewater is a very complex task. That can lead to massive calculation errors at selection and design stages of technological lines in rainfall wastewater treatment plants. For hydraulic sewer systems, the guideline ATV A-118 and the PN-EN 752 standard recommend using hydrodynamic modelling for the catchment area of more than 200 ha, but also for cases where the surface flooding occurs, which happens quite often in urban areas. As a majority of computational software tools (SWMM, Mouse, Mike Urban, Civil Storm), in addition to modules for run-off simulations also have those dedicated to wastewater quality assessment, it is justifiable to conduct complex analyses. The paper aims to discuss the results of wastewater quality and quantity numerical simulations obtained with SWMM software for Si9 sewer catchment located in the area of Kielce. For the paper, hydrogram computations were made for the catchment run-off and the suspension concentrations at the assumption of constant intensity of the rainfall of the duration of td = 15-180 min and the precipitation occurrence probability of p = 20%. In addition, a mathematical model of rainfall wastewater treatment plant was developed. That allowed determination of the pollutant load of the existing technological line, and volume and load of suspended solids discharged by the stormwater overflow structure directly into the receiver. The computations that were conducted showed a limited impact of a unit runoff on the mass of suspended solids flowing in from the catchment under consideration.

Źródło:

Proceedings of ECOpole; 2015, 9, 2; 767-775
1898-617X
2084-4557

Pojawia się w:

Proceedings of ECOpole

Dostawca treści:

Biblioteka Nauki

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Skocz do pozycji: 99.

Tytuł:

Emporal and spatial variability of rainfall in modelling of stormwater outflows

Autorzy:

Nowogoński, Ireneusz

Powiązania:

https://bibliotekanauki.pl/articles/395997.pdf

Data publikacji:

2019

Wydawca:

Uniwersytet Zielonogórski. Oficyna Wydawnicza

Tematy:

rainfall
storm water
runoff
drainage
modeling
SWMM
opady
woda deszczowa
spływ
drenaż
modelowanie

Opis:

The article presents issues related to modeling of the rainfall-runoff phenomenon. As factors influencing the simulation results, the velocity and direction of precipitation relative to the drainage basin were indicated. The possibility of underestimating the crosssections of rainwater channels as a result of overlapping rain wave directions and the dominant flow direction in the rainwater channel network was pointed out. The research results to date indicate a reduction in the symptoms of this phenomenon as the complexity of the channel network increases. The final verification was based on the actual catchment. Calculations were made using the Epa SWMM 5.1.013 software. The results are presented in a graphic form to illustrate the variability of stormwater outflow.

Źródło:

Civil and Environmental Engineering Reports; 2019, 29, 4; 267-278
2080-5187
2450-8594

Pojawia się w:

Civil and Environmental Engineering Reports

Dostawca treści:

Biblioteka Nauki

/5

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Skocz do pozycji: 100.

Tytuł:

The influence of weeds growth stage and climate conditions on optimizing dose of herbicides

Autorzy:

Kieloch, R.
Domaradzki, K.

Powiązania:

https://bibliotekanauki.pl/articles/65953.pdf

Data publikacji:

2003

Wydawca:

Polska Akademia Nauk. Czytelnia Czasopism PAN

Tematy:

weed
influence
climate condition
air temperature
herbicide
rainfall
growth stage
dose
reduced dose

Źródło:

Journal of Plant Protection Research; 2003, 43, 3
1427-4345

Pojawia się w:

Journal of Plant Protection Research

Dostawca treści:

Biblioteka Nauki

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