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Wyświetlanie 1-15 z 43
Tytuł:
Meteorological conditions at Arctowski Station in 1978 (King George Island, South Shetland Islands)
Autorzy:
Nowosielski, Lucjan
Powiązania:
https://bibliotekanauki.pl/articles/2058296.pdf
Data publikacji:
1980
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
meteorology
Źródło:
Polish Polar Research; 1980, 1, 1; 83-93
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Results of some meteorological measurements and observations carried out at Hornsund (Spitsbergen) from 1 August, 1983, to 31 July, 1984
Autorzy:
Pietroń, Zbigniew
Ziemiański, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2057337.pdf
Data publikacji:
1985
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
meteorology
Źródło:
Polish Polar Research; 1985, 6, 3; 365-376
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of environmental signals in the Earth tides observations: Experiments at Józefosław Obesvatory
Autorzy:
Bogusz, J.
Powiązania:
https://bibliotekanauki.pl/articles/224600.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
meteorologia
grawimetria
meteorology
gravimetric
Opis:
This paper presents the results of the project aimed at the investigation of the role of the environmental effects in gravimetric Earth tides observations which was held at the Jozefoslaw Observatory. The Observatory belongs to the Warsaw University of Technology and is placed at the suburbs of Warsaw. The importance of maintaining fundamental stations with multi-parametr observations is beyond every doubt. At Jozefoslaw Observatory satellite (GPS and GLONASS) observations are run in parallel to absolute (using FG-5) and tidal (with LC&R ET-meter) gravity measurements. The knowledge of the local tidal gravity parameters is required for correction of the absolute gravity measurements and for the interpretation of local ground displacement as well. The correlation between lacal gravity changes and the environmental signal (local meteorological model, rainfalls, water table changes and soil moisture) was investigated. The project was supported by the grant of the Polish Ministry of Science and Computerisation No 4 T12E 003 27.
Źródło:
Reports on Geodesy; 2007, z. 2/83; 75-82
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some aspects of meteorology and climatology of the region of Ukrainian Antarctic Base Vernadsky
Niektóre aspekty meteorologii i klimatologii rejonu Ukraińskiej Stacji Antarktycznej Vernadsky
Autorzy:
Timofeyev, V.
Powiązania:
https://bibliotekanauki.pl/articles/260937.pdf
Data publikacji:
2003
Wydawca:
Stowarzyszenie Klimatologów Polskich
Tematy:
meteorologia
klimatologia
Vernadsky
meteorology
climatology
Opis:
Ukraińska Stacja Antarktyczna "Vernadsky" (65°14?S, 64°17°W) usytuowana jest na Galindez Island w archipelagu Argentine Islands, około 8 km od zachodnich wybrzeży Półwyspu Antarktycznego. Od 1996 roku stacja pracuje pod obecną nazwą, poprzednio jako angielska stacja Faraday (1977-1996) i Base F (Argentine Island) od 1947 roku, co daje jeden z najdłuższych ciągów obserwacyjnych w Antarktyce. Na stacji obserwowany jest wzrost wartości średniej rocznej temperatury powietrza (MAT). Najchłod-niejsze były lata 50.te, największe ocieplenie rejestrowano w dekadzie lat 1980-1990. W ostatnich latach obserwuje się pewną stabilizację wzrostu temperatury średniej rocznej, która lokuje się w wąskim przedziale od -1.7° do -3.7°C. Zmienność średniej rocznej wynika głównie ze zmienności temperatury miesięcy zimowych. Obserwowany dodatni trend temperatury jest wynikiem cieplejszych zim w ostatnich latach. Zimy surowe występują nieregularnie, ostatnią notowano w 1987 roku. W okresie 1988-2002 nie odnotowano średniej miesięcznej temperatury powietrza niższej niż -10°C. Lokalne warunki stacji Vernadsky wpływają na dużą częstość sytuacji z efektami fenowymi, które występują głównie podczas przemieszczania się cyklonów z NW lub W. Większość przypadków temperatur maksymalnych na stacji notowana jest w takich właśnie przypadkach. Sytuacje synoptyczne z blokadą wysokiego ciśnienia występujące w ostatnich dwóch latach stanowiły 7-10%, w niektórych miesiącach zimowych osiągając znaczącą frekwencję (25-30%). Przykład sytuacji z wyżem blokującym przedstawia rysunek 2. W takich warunkach (rys. 3 i 4A) na stacji obserwuje się zazwyczaj znaczące, kilkudniowe spadki temperatury powietrza. Sytuacje blokadowe często występują również w marcu. W marcu 2000 roku w takich warunkach obserwowano znaczący spadek ilości ozonu (rys. 5), nieomal do poziomu charakterystycznego dla końca zimy.
Źródło:
Problemy Klimatologii Polarnej; 2003, 13; 27-35
1234-0715
Pojawia się w:
Problemy Klimatologii Polarnej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SWOT analysis of the Institute of Meteorology and Water Management - National Research Institute in the context of World Meteorological Organization Reform adopted during its 18th Congress
Autorzy:
Walczykiewicz, Tomasz
Filipiak, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1445134.pdf
Data publikacji:
2020
Wydawca:
Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
Tematy:
meteorology
hydrology
WMO
reform
analysis
Opis:
This article is an analysis of how the World Meteorological Organization (WMO) constituent bodies governance reform (WMO Reform) can affect the activities of the Polish National Hydrological and Meteorological Service. The analysis employs the SWOT (Strengths, Weaknesses, Opportunities, Threats) model. The World Meteorological Congress is the highest authority of the World Meteorological Organization, whose findings guide the operations of the WMO and the National Meteorological and Hydrological Services (NMHSs) globally. During the 18th Congress, in June 2019, discussions covered the routine operations of the WMO and its Secretariat, the status and development prospects of all the Organization's research and technical programs, and the Organization's budget for the 18th financial period beginning in 2020. The key actions of the Congress, however, were the election of the WMO senior officers and final approval (after thorough discussion) of the WMO Reform of its governance structure. The purpose of the Reform is to ensure better preparation of the organization for the challenges of the present and future, such as climate change and its impact, the growing number and intensity of extreme weather events, environmental degradation, and increasing urbanization. The tasks of the National Hydrological and Meteorological Service in Poland are performed by the Institute of Meteorology and Water Management - National Research Institute (IMGW-PIB), in accordance with the provisions of the Water Law.
Źródło:
Meteorology Hydrology and Water Management. Research and Operational Applications; 2020, 8, 2; 5-11
2299-3835
2353-5652
Pojawia się w:
Meteorology Hydrology and Water Management. Research and Operational Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An assessment of the quality of near-real time GNSS observations as a potential data source for meteorology
Autorzy:
Dymarska, N.
Rohm, W.
Sierny, J.
Kapłon, J.
Kubik, T.
Kryza, M.
Jutarski, J.
Gierczak, J.
Kosierb, R.
Powiązania:
https://bibliotekanauki.pl/articles/108476.pdf
Data publikacji:
2017
Wydawca:
Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
Tematy:
ZTD estimation
data validation
GNSS meteorology
Opis:
The Global Navigation Satellite System (GNSS) can be used to determine accurate and high-frequency atmospheric parameters, such as Zenith Total Delay (ZTD) or Precipitable Water Vapour (PW), in all-weather conditions. These parameters are often assimilated into Numerical Weather Prediction (NWP) models and used for nowcasting services and climate studies. The effective usage of the ZTDs obtained from a ground-based GNSS receiver’s network in a NWP could fill the gap of insufficient atmospheric water vapour state information. The supply of such information with a latency acceptable for NWP assimilation schemes requires special measures in the GNSS data processing, quality control and distribution. This study is a detailed description of the joint effort of three institutions – Wrocław University of Environmental and Life Sciences, Wrocław University, and the Institute of Meteorology and Water Management – to provide accurate and timely GNSS-based meteorological information. This paper presents accuracy analyses of near real-time GNSS ZTD validated against reference ZTD data: the International GNSS Service (IGS) from a precise GNSS solution, Weather Research and Forecasting (WRF) model, and radiosonde profiles. Data quality statistics were performed for five GNSS stations in Poland over a time span of almost a year (2015). The comparison of near real-time ZTD and IGS shows a mean ZTD station bias of less than 3 mm with a related standard deviation of less than 10 mm. The bias between near real-time ZTD and WRF ZTD is in the range of 5-11 mm and the overall standard deviation is slightly higher than 10 mm. Finally, the comparison of the investigated ZTD against radiosonde showed an average bias at a level of 10 mm, whereas the standard deviation does not exceed 14 mm. Considering the data quality, we assess that the NRT ZTD can be assimilated into NWP models.
Źródło:
Meteorology Hydrology and Water Management. Research and Operational Applications; 2017, 5, 1; 3-13
2299-3835
2353-5652
Pojawia się w:
Meteorology Hydrology and Water Management. Research and Operational Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using advanced data mining and integration in environmental prediction scenarios
Autorzy:
Habala, O.
Hluchy, L.
Tran, V.
Krammer, P.
Seleng, M.
Powiązania:
https://bibliotekanauki.pl/articles/305607.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
data mining
data integration
meteorology
hydrology
Opis:
We present one of the meteorological and hydrological experiments performed in the FP7 project ADMIRE. It serves as an experimental platform for hydrologists, and we have used it also as a testing platform for a suite of advanced data integration and data mining (DMI) tools, developed within ADMIRE. The idea of ADMIRE is to develop an advanced DMI platform accessible even to users who are not familiar with data mining techniques. To this end, we have designed a novel DMI architecture, supported by a set of software tools, managed by DMI process descriptions written in a specialized high-level DMI language called DISPEL, and controlled via several different user interfaces, each performing a different set of tasks and targeting different user group.
Źródło:
Computer Science; 2012, 13 (1); 5-16
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The correlation between the meteorological conditions and the concentration of radionuclides in the ground layer of atmospheric air
Autorzy:
Krajny, E.
Ośródka, L.
Wojtylak, M.
Michalik, B.
Skowronek, J.
Powiązania:
https://bibliotekanauki.pl/articles/148116.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
atmospheric air
meteorology
neural network
radionuclides
Opis:
The main goal of this work was to find correlation between the concentrations of radionuclides in outdoor air and the meteorological conditions like: air temperature, atmospheric pressure, wind velocity and amount of precipitation. Because the sampling period of radionuclides concentrations in air was relatively long (7 days), the average levels of meteorological parameters have been calculated within the same time. Data of radionuclide concentrations and meteorological data have been analyzed in order to find statistical correlation. The regression analysis and one of the AI methods, known as neural network, were applied. In general, analysis of the gathered data does not show any strong correlation between the meteorological conditions and the concentrations of radionuclides in air. A slightly stronger correlation we found for radionuclides with relatively short half-lives. The only positive correlation has been found between the Be-7 concentration and air temperature (at the significance level á=0.05). In our opinion, the lack of correlation was caused by a too long sampling time in measurements of radionuclides in outdoor air (a whole week). Results of the analysis received by means of the artificial neuron network are better. We were able to find certain groups of meteorological conditions, related with the corresponding concentrations of particular radionuclides in air. Preliminary measurements of radon progeny concentration support the thesis that the link between changes of meteorological parameters and concentrations of radionuclides in ambient air must exist.
Źródło:
Nukleonika; 2001, 46, 4; 189-194
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
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
Artykuł
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
Artykuł
Tytuł:
Glacio−meteorology of Ebbabreen, Dickson Land, central Svalbard, during 2008–2010 melt seasons
Autorzy:
Małecki, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/2049629.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
glacier
meteorology
energy balance
Źródło:
Polish Polar Research; 2015, 2; 145-161
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 43

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