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Wyświetlanie 1-15 z 65
Tytuł:
Towards a Model of Safety Climate Measurement
Autorzy:
Alhemood, A. M.
Genaidy, A. M.
Shell, R.
Gunn, M.
Shoaf, C.
Powiązania:
https://bibliotekanauki.pl/articles/89986.pdf
Data publikacji:
2004
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
safety climate model
safety surveillance
środowisko pracy
klimat bezpieczeństwa
kultura bezpieczeństwa
Opis:
In this study, a survey instrument was developed to measure safety climate. A review of the scientific literature as well as consultation with an expert panel was used to determine the survey’s dimensions. Next, the survey was administered, first as a pilot study (n = 15) and then as a full scale study (n = 229), to employees of the City of Cincinnati Department of Public Works. The psychometric integrity of the survey was assessed according to validity, reliability and utility criteria. Results are presented and discussed.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2004, 10, 4; 303-318
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of 20CR reanalysis data and model results based on historical (1930–1940) observations from Franz Josef Land
Autorzy:
Klaus, Daniel
Wyszyński, Przemysław
Dethloff, Klaus
Przybylak, Rajmund
Rinke, Annette
Powiązania:
https://bibliotekanauki.pl/articles/2042114.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
20th Century Reanalysis
regional climate model
early twentieth century warming
Źródło:
Polish Polar Research; 2018, 39, 2; 225-254
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Validating a Safety Climate Model in Metal Processing Industries: A Replication Study
Autorzy:
Braunger, P.
Frank, H.
Korunka, C.
Lueger, M.
Kubicek, B.
Powiązania:
https://bibliotekanauki.pl/articles/90004.pdf
Data publikacji:
2013
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
safety climate
safety climate model
safety performance
replication study
metal processing
badania naukowe
klimat bezpieczeństwa
przemysł metalowy
Opis:
This paper attempts to replicate a safety climate model originally tested in Australia to assess its applicability in a different context: namely, across production workers in 22 medium-sized metal processing organizations in Austria. The model postulates that safety knowledge and safety motivation mediate the relation between safety climate on the one hand and safety compliance and participation on the other. Self-report data from 1075 employees were analyzed using structural equation modeling (SEM). The results of the replication study largely confirmed the original safety climate model. However, in addition to indirect effects, direct links between safety climate and actual safety behavior were found.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2013, 19, 1; 143-155
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality assessment of atmospheric surface fields over the Baltic Sea from an ensemble of regional climate model simulations with respect to ocean dynamics
Autorzy:
Meier, H.E.M.
Hoglund, A.
Doscher, R.
Andersson, H.
Loptien, U.
Kjellstrom, E.
Powiązania:
https://bibliotekanauki.pl/articles/48250.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
atmosphere-ocean coupling
Baltic region
climate change
climate model
ecosystem
global warming
hydrographic change
regional climate
regional climate modelling
sea ice
temperature
water temperature
Opis:
Climate model results for the Baltic Sea region from an ensemble of eight simulations using the Rossby Centre Atmosphere model version 3 (RCA3) driven with lateral boundary data from global climate models (GCMs) are compared with results from a downscaled ERA40 simulation and gridded observations from 1980 –2006. The results showed that data from RCA3 scenario simulations should not be used as forcing for Baltic Sea models in climate change impact studies because biases of the control climate significantly affect the simulated changes of future projections. For instance, biases of the sea ice cover in RCA3 in the present climate affect the sensitivity of the model’s response to changing climate due to the ice-albedo feedback. From the large ensemble of available RCA3 scenario simulations two GCMs with good performance in downscaling experiments during the control period 1980–2006 were selected. In this study, only the quality of atmospheric surface fields over the Baltic Sea was chosen as a selection criterion. For the greenhouse gas emission scenario A1B two transient simulations for 1961 –2100 driven by these two GCMs were performed using the regional, fully coupled atmosphere-ice-ocean model RCAO. It was shown that RCAO has the potential to improve the results in downscaling experiments driven by GCMs considerably, because sea surface temperatures and sea ice concentrations are calculated more realistically with RCAO than when RCA3 has been forced with surface boundary data from GCMs. For instance, the seasonal 2 m air temperature cycle is closer to observations in RCAO than in RCA3 downscaling simulations. However, the parameterizations of air-sea fluxes in RCAO need to be improved.
Źródło:
Oceanologia; 2011, 53, (1-TI)
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fluorescence measured in situ as a proxy of CDOM absorption and DOC concentration in the Baltic Sea
Autorzy:
Kowalczuk, P.
Zablocka, M.
Sagan, S.
Kulinski, K.
Powiązania:
https://bibliotekanauki.pl/articles/48318.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
measurement
optical property
dissolved organic carbon
concentration
dissolved organic matter
fluorescence
global climate model
validation
Źródło:
Oceanologia; 2010, 52, 3; 431-471
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of climate change on the water requirements of the Bounamoussa perimeter, North-East of Algeria
Wpływ zmian klimatu na zapotrzebowanie na wodę w okolicach Bounamoussa, północnowschodnia Algieria
Autorzy:
Malkia, R.
Etsouri, S.
Powiązania:
https://bibliotekanauki.pl/articles/292352.pdf
Data publikacji:
2018
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
Algeria
climate change
Climate Wizard program
CropWat model
DSSAT model
water requirements
Algieria
model CropWat
model DSSAT
program Climate Wizard
zapotrzebowanie na wodę
zmiany klimatu
Opis:
The objective of this work is to determine the effects of climate change on the water needs of crops in the Bounamoussa perimeter, which is one of the large irrigation systems in the North-East of Algeria in order to predict a diagnosis of its operation. This region covers an area of 16,500 ha and is specialized in vegetable production. The climatic trend of recent years in the study area is characterized by increasingly severe drought conditions that have compromised agricultural production at this perimeter. In this study, the results of the climatic parameters projected to 2050 and 2080 under the Climate Wizard program were used in the CropWat 8.0 program for estimating the future water requirements of crops, taking into account the three Scenarios (B1, A1B, A2) of greenhouse gases (GHGs). The Decision Support System for Agrotechnology Transfer (DSSAT) 4.5 program has also been used to generate future climatic parameters (temperatures and rains) to be compared with those of the climate wizard. The results obtained in 2050 and 2080 show a trend towards increasing temperatures and a fall in rainfall for all models and that the water requirements will be multiplied by 3 to 5 times the current needs. This situation will cause an imbalance in the operation of perimeter irrigation systems. Among the measures of adaptation to this situation in the first place is the change of the date of planting after calibration of the two models for all the cultures of the perimeter.
Przedmiotem prezentowanych w niniejszej pracy badań było określenie skutków zmian klimatu na potrzeby wodne upraw w obrębie systemu nawodnieniowego rzeki Bounamoussa, który jest jednym z największych w północnowschodniej Algierii. Miało to na celu sporządzenie diagnozy jego działania w przyszłości. Region zajmuje powierzchnię 16 500 ha i specjalizuje się w produkcji roślinnej. Zmiany klimatu na badanym obszarze cechuje silna susza o zwiększającym się w ostatnich latach natężeniu, zagrażająca produkcji rolniczej. W badaniach zastosowano parametry klimatyczne prognozowane do roku 2050 i 2080 w ramach programu Climate Wizard do modelu CropWat 8.0 szacującego przyszłe zapotrzebowanie upraw na wodę z uwzględnieniem trzech scenariuszy (B1, A1B i A2) emisji gazów cieplarnianych. Wykorzystano także model wspierania decyzji w transferze agrotechnologii (DSSAT 4.5) do generowania parametrów przyszłego klimatu (temperatury i opady) w celu porównania ich z danymi uzyskanymi z Climate Wizard. Na podstawie wyników uzyskanych ze wszystkich modeli dla lat 2050 i 2080 stwierdzono trendy rosnące temperatury i malejące opadów. Zgodnie z tymi wynikami zapotrzebowanie na wodę ma wzrosnąć 3–5 razy w stosunku do aktualnych potrzeb. Taka sytuacja doprowadzi do zaburzenia równowagi w systemie irygacyjnym. Wśród sposobów przystosowania się do takiej sytuacji jednym z ważniejszych jest zmiana daty siewu, co można osiągnąć po skalibrowaniu obu modeli w dostosowaniu do wszystkich rodzajów upraw w regionie.
Źródło:
Journal of Water and Land Development; 2018, 38; 85-93
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maize yield sensitivity to climate variability in South Africa: application of the ardl-ecm approach
Autorzy:
Shoko, Rangarirai Roy
Belete, Abenet
Chaminuka, Petronella
Powiązania:
https://bibliotekanauki.pl/articles/1911913.pdf
Data publikacji:
2019-12-28
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:
maize
climate variability
ARDL model
cointegration
Opis:
Climate affects crop production decisions and outcomes in agriculture. From very short-term decisions about which crops to grow, when to plant or harvest a field, to longer-term decisions about farm investments, climate can positively or negatively affect agricultural systems. Although the general effects of climate change on agriculture are broadly understood, there are limited studies that model the relationship between specific crops and climate variables. The study uses the Autoregressive Distributed Lag (ARDL) model to analyze the sensitivity of maize yield to climate variables, fertilizer use and other non-climate variables. This paper uses annual time-series data of 47 observations spanning from 1970 to 2016. The results reveal that rainfall and temperature are important maize yield drivers in South Africa. However, if excessive, they will produce negative effects. The findings of this analysis are relevant for designing long-term interventions to mitigate the effects of climate change on maize production.
Źródło:
Journal of Agribusiness and Rural Development; 2019, 54, 4; 363-371
1899-5241
Pojawia się w:
Journal of Agribusiness and Rural Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of Global and Regional Climate Changes upon the Crop Yields
Autorzy:
Kaminskiy, Viktor
Asanishvili, Nadia
Bulgakov, Volodymyr
Kaminska, Valentyna
Dukulis, Ilmars
Ivanovs, Semjons
Powiązania:
https://bibliotekanauki.pl/articles/24201704.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
climate
vegetation
model
weather
forecast
productivity
Opis:
The negative impact of global and regional climate changes upon the crop yields leads to the violation of the crop production stability. The development of reliable methods for assessment of the climatic factors by the reaction of the crops to them in order to minimize the impact of climatic stresses upon the sustainability of food systems is an urgent scientific task. This problem was studied on the example of growing corn. A mathematical analysis of the main meteorological indicators for 16 years of research has been performed on the basis of which the frequency and direction of the occurrence of atypical and extreme weather conditions in various periods of the corn vegetation season were established by the coefficient of significance of deviations of the weather elements from the average long-term norm. It has been proved that the probability of occurrence of such weather conditions in the period from April to September is 38–81% in terms of the average temperature of the month, and 31–69% in terms of precipitation. By using the information base of the corn yields in a stationary field experiment with the gradations of factors: A (the fertilizer option) – A1-A12, B (the crop care method) – B1-B3, C (the hybrid) – C1-C7, the most critical month of the corn ontogeny was established when the weather has a decisive influence upon the formation of the crop. With the help of the correlation-regression analysis it was proved that the corn yield most significantly depends on the average monthly temperature in June, and for the hybrids with FАО 200–299 – on the amount of precipitation in the month of May. The obtained mathematical models make it possible to predict the yield of corn at a high level of reliability depending on the indicators of the main climate-forming factors in June, that is, even before the flowering of the plants (before the stage of ВВСН 61).
Źródło:
Journal of Ecological Engineering; 2023, 24, 4; 71--77
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prediction of Solar Radiation for the Major Climates of Jordan: A Regression Model
Autorzy:
Badran, A. A.
Dwaykat, B. F.
Powiązania:
https://bibliotekanauki.pl/articles/123159.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
solar radiation
regression model
climate in Jordan
Opis:
Multiple regression models were developed for calculating the regression coefficients a and b of the Angström-type equation for estimating the monthly average daily global radiation on a horizontal surface for six major climates in Jordan. The equations for a and b were developed from the available values of these constants reported in the literature for locations across the country, along with the sunshine duration and the values of ground albedo (ρ_g). The developed correlations were tested for their applicability by estimating the regression constants and the solar radiation for six locations spread over the country, which were Irbid, Amman, Azraq, Al-Shawbak, Ma’an and Aqaba. The remarkable agreement between the estimated and experimental data of solar radiation in those locations suggests a wide applicability of the method for the locations with sunshine duration ranging from 0.7 to 0.8. The maximum and minimum percentages of error for those locations were found to be 6.3, 0.05%, respectively.
Źródło:
Journal of Ecological Engineering; 2018, 19, 2; 24-38
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A record of climatic changes in the Triassic palynological spectra from Poland
Autorzy:
Fijałkowska-Mader, A.
Powiązania:
https://bibliotekanauki.pl/articles/2059985.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
miospores
climate
Triassic
palyno-palaeoclimatic model
PPC
Opis:
Based on quantitative and qualitative analyses of the Triassic miospores assemblages from different regions of Poland climatic changes have been documented. Analyzed material came from the published and archival works of Orłowska-Zwolińska and author and comprised ten palynological zones distinguished in the Triassic of Poland. Two different palynological methods were applied in this study – PPC model and SEG model – to obtain palaeoclimatic and palaeoenvironmetal data. Xerophytic elements (spores and pollen grains of xerophytic plants), reflecting mainly dry climate conditions, dominated in the palynomorph spectra of the Triassic deposits from Poland. Significant numbers of hygrophytic elements indicating temporary more humid phases occurred in the late Olenekian, Ladinian, the middle Carnian, late Norian and the Rhaetian.
Źródło:
Geological Quarterly; 2015, 59, 4; 615--653
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated Impact Model on Critical Infrastructure Safety Related to Its Operation Process and Climate-Weather Change Process
Autorzy:
Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/2068789.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
impact model
climate-weather process
operation process
safety
model
critical infrastructure
Opis:
The main aim of the paper is to define the operation and climate change influence on the safety of a critical infrastructure considered as a complex system in its operating environment. As the result, a general safety analytical model of a complex technical system under the influence of the operation process related to climateweather change process is proposed. Further, the conditional safety functions at the operation process related to climate-weather change process, the unconditional safety function and the risk function of the complex system at changing in time operation and climate-weather conditions are defined. Moreover, the mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the intensities of ageing of the critical infrastructure and its components and the coefficients of the operation and climate-weather impact on the critical infrastructure and its components intensities of ageing are proposed as the other significant safety indices for any critical infrastructure.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 4; 33--48
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strategic Planning for the Development of Ukrainian Agriculture in the Face of Climate Change
Autorzy:
Anna, Ostapenko
Powiązania:
https://bibliotekanauki.pl/articles/633058.pdf
Data publikacji:
2016-06-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
strategic planning
agriculture
climate change
predictive model
Ukraine
Opis:
The essence of the “strategic planning” is explored and the peculiarities of strategic planning in the agricultural sector are defined. Global climate change as a factor stimulating the formation of new approaches to strategic planning of agricultural development is considered, and the impact of climate change on the agricultural sector of Ukraine is evaluated. A predictive model of changes in the parameters of agricultural production under expected climate change conditions is constructed, and organizational, socio-economical and environmental components of the strategy of agricultural development are outlined and the conceptual bases for improvement of strategic planning for the development of the agricultural sector in the face of climate change are substantiated.
Źródło:
Comparative Economic Research. Central and Eastern Europe; 2016, 19, 2; 43-55
1508-2008
2082-6737
Pojawia się w:
Comparative Economic Research. Central and Eastern Europe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integrated Impact Model on Critical Infrastructure Safety Related to Climate-Weather Change Process Including Extreme Weather Hazards
Autorzy:
Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/2068792.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
climate change process
weather hazards
impact
model
safety
Opis:
In the paper a general safety analytical model of complex technical system related to the climateweather change process in its operating area is defined. First, the system operation at climate-weather variable conditions is given. Additionally, the semi-Markov approach is used. Further, the safety model of the multistate system at climate-weather variable conditions is introduced. The notions of the conditional safety functions at the climate-weather particular states, the unconditional safety function and the risk function of the complex system at changing in time climate-weather conditions are presented. The other safety indices like mean lifetime up to the exceeding a critical safety state, the moment when the risk function value exceeds the acceptable safety level, the intensities of ageing of the critical infrastructure and its components and the coefficients of the climate-weather impact on the critical infrastructure and its components intensities of ageing are defined.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 4; 21--32
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of MLCM3 Software for Flash Flood Modeling and Forecasting
Autorzy:
Sokolova, D.
Kuzmin, V.
Batyrov, A.
Pivovarova, I.
Tran, N. A.
Dang, D.
Shemanaev, K. V.
Powiązania:
https://bibliotekanauki.pl/articles/124618.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
hydrological model
flood forecasting
river basins
changing climate
Opis:
Accurate and timely flash floods forecasting, especially, in ungauged and poorly gauged basins, is one of the most important and challenging problems to be solved by the international hydrological community. In changing climate and variable anthropogenic impact on river basins, as well as due to low density of surface hydrometeorological network, flash flood forecasting based on “traditional” physically based, or conceptual, or statistical hydrological models often becomes inefficient. Unfortunately, most of river basins in Russia are poorly gauged or ungauged; besides, lack of hydrogeological data is quite typical. However, the developing economy and population safety necessitate issuing warnings based on reliable forecasts. For this purpose, a new hydrological model, MLCM3 (Multi-Layer Conceptual Model, 3rd generation) has been developed in the Russian State Hydrometeorological University. The model showed good results in more than 50 tested basins.
Źródło:
Journal of Ecological Engineering; 2018, 19, 1; 177-185
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 65

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