نتایج جستجو برای: climate study
تعداد نتایج: 4092004 فیلتر نتایج به سال:
The economics of climate change involves a vast array of uncertainties, complicating both the analysis and development of climate policy. This study presents the results of the first comprehensive study of uncertainty in climate change using multiple integrated assessment models. The study looks at model and parametric uncertainties for population, total factor productivity, and climate sensiti...
PURPOSE This study investigates safety climate as both a leading (climate → incident) and a lagging (incident → climate) indicator of safety-critical incidents. This study examines the "shelf life" of a safety climate assessment and its relationships with incidents, both past and future, by examining series of incident rates in order to determine when these predictive relationships expire. DE...
BACKGROUND The educational climate is crucial in postgraduate medical education. Although leaders are in the position to influence the educational climate, the relationship between leadership skills and educational climate is unknown. This study investigates the relationship between the educational climate in clinical departments and the leadership skills of clinical consultants responsible for...
Crop production risk caused by climate variability cannot be managed in the absence of climate information. Despite the use of various communication strategies by rural communities in Tanzania, access and use of agricultural information is inadequate to cope with challenges in crop production. This study aims at assessing farmers information needs, examine communication strategies used and henc...
BACKGROUND According to a wide variety of analyses and projections, the potential effects of global climate change on human health are large and diverse. The U.S. National Institutes of Health (NIH), through its basic, clinical, and population research portfolio of grants, has been increasing efforts to understand how the complex interrelationships among humans, ecosystems, climate, climate var...
abstract in this study, impact of climate change on net irrigation requirement (in) and yield of wheat using cgcm3 climate projection model, one of the aogcm models, in behshahr area is evaluated. changes in temperature and precipitation were simulated run under the ipcc scenario a2 for 2011-2040, 2041-2070 and 2071-2100 periods. this work was done by using statistical and proportional downscal...
one of the major issues of increasing agricultural production, is adaptation of technology to specific climatic variables in cultivated areas. knowing the weather and climatic condition and periodic yearly and multi-year changes of meteorological phenomena and deviations from normal values are of major requirements of modern agriculture. in this study, daily, monthly and annual weather data o...
Classroom climate has been demonstrated to associate with individuals’ various attributes and outcomes. Recent research has also confirmed students’ goal orientations deserving to be recognized as a significant achievement-related outcome. In this line, the current study intended to examine the relationship between Iranian EFL students’ perceptions of their classroom environment and their achie...
OBJECTIVE This study aimed to investigate the associations of quality management systems with teamwork and safety climate, and to describe and compare differences in perceptions of teamwork climate and safety climate among clinical leaders and frontline clinicians. METHOD We used a multi-method, cross-sectional approach to collect survey data of quality management systems and perceived teamwo...
Abstract This study examines the effects of climate change on runoff in the Yellow River basin in Khuzestan province. In this study, the combination of 14 general circulation models under two emission scenarios A2 and B1 were used for simulating the climatic variables in the next period (2025-2054) compared to the baseline period (1971-2000). The weighting method of mean observed temperature...
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