نتایج جستجو برای: among nine general circulation models
تعداد نتایج: 2753132 فیلتر نتایج به سال:
Variable resolution general circulation models: Stretched-grid model intercomparison project (SGMIP)
اقلیم یک سیستم پیچیده است. در سال های اخیر به دلیل افزایش گازهای گلخانه ای در حال تغییر است. این پژوهش در نظر دارد اثرات تغییر اقلیم را در یخبندان های شهر زاهدان با استفاده از مدل های سه بعدی گردش عمومی جو شبیه سازی نماید. در این پژوهش ابتدا ده مدل گردش عمومی جو بررسی شد . سپس با ارزیابی مناسبت هر نمونه، مدل مناسب جهت استخراج یخبندان های ایستگاه زاهدان شناسایی گردید. پس از صحت سنجی مدل های بکار...
The climate changes have an important role in distribution of plant species. Statistical species distribution models (SDMs) are widely used to predict the changes in species distribution under climate change scenarios. In the peresent study, the distribution of Alopecurus textilis in the current and future climate condition (2050) under the influence of climate change and two scenarios of RCP 4...
statistical modeling of future lake level under climatic conditions, case study of urmia lake (iran)
the present research focuses on the changes of urmia lake level. for this purpose, two timescales have been considered. the trend changes of temperature, precipitation rate and quantitative values of climate type for the observational period from 1968 to 2011 (past scale) and from 2011 to 2100 (future scale) have been analyzed. general circulation model (gcm) is considered for simulating the va...
One of the most important Limitation General Circulation Models , Large scale are being simulation of climatic variables. So should With Various method are downscaled, The ability to have identified a study area. Choose a suitable GCM model for the study area Very important role In the simulation parameter (precipitation) is intended for future. In this research of CMIP5 Models Contains BCC-CS...
because of low spatial resolution and simplifications in meteorological processes in global circulation models, they cannot sufficiently simulate the weather, comparing to the regional models; then, spatial and temporal downscaling of the gcm outputs are needed for decreasing errors of the global circulation models. there are two methods of downscaling: statistical and dynamic. weather generato...
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