نتایج جستجو برای: hadgem2
تعداد نتایج: 133 فیلتر نتایج به سال:
[1] The latest Hadley Centre climate model, HadGEM2‐ES, includes Earth system components such as interactive chemistry and eight species of tropospheric aerosols. It has been run for the period 1860–2100 in support of the fifth phase of the Climate Model Intercomparison Project (CMIP5). Anthropogenic aerosol emissions peak between 1980 and 2020, resulting in a present‐day all‐sky top of the atm...
Aim: To identify the extent and direction of range shift of Eucalyptus sideroxylon and E. albens in Australia by 2050 through an ensemble forecast of four species distribution models (SDMs). Each was generated using four global climate models (GCMs), under two representative concentration pathways (RCPs). Location: Australia. Methods: We used four SDMs of (i) generalized linear model, (ii) MaxE...
Based on bias-corrected future projections from the Providing REgional Climates for Impacts Studies (PRECIS) regional climate model under both RCP4.5 and 8.5 scenarios over China, extreme climatic events at middle end of twenty-first century are investigated in this paper. The performance PRECIS is validated using comparisons with observations HadGEM2-ES projections, bias correction adds fideli...
Abstract Regional climate models (RCM) are the main tools for change impacts assessment in hydrological studies. These models, however, often show biases when compared to historical observations. Bias Correction (BC) useful techniques improve projection outputs. This study presents a multi-criteria decision analysis (MCDA) framework compare combinations of RCM with selected BC methods. The comp...
Kurakl?k yerkürede ya?ayan tüm canl? varl?klar?n ya?am?n? sürdürebilmesi için gerekli su miktar?n?n belirli bir zaman süresince ortalaman?n alt?na dü?mesi sonucu ya?anan k?tl???n? ifade eden do?al afettir. Çal??mada yar? kurak iklimde bulunan Türkiye’de s?k?nt?s? Sakarya Havzas? uygulama yap?lm??t?r. Veri olarak meteoroloji gözlem istasyonlar?ndan al?nan gözlemlenmi? ya??? verileri ile HadGEM2-...
Currently, there is little information on the high mountain species' response to the climate change in Iran, and it seems that these species are significantly affected by the climate change. In the current research, the spatial vulnerability of Caspian snowcock (Tetraogallus caspius) to the climate change in Chaharmahal and Bakhtiari province was predicted using the ensemble modelling approach...
Results of assessment of the future climate change impacts is associated with some uncertainties. Considering the range of uncertainties increases reliability of the results. In this study, climate change impacts on daily precipitation, maximum and minimum temperature of Sira basin are assessed using LARS-WG model, for 2036-65 period. Accordingly, uncertainty of new emissions scenarios (RCP2.6،...
Wheat is the main human food that is consumed directly. Recognition of climatic parameters and study of climatic needs of crop plants is one of the most important factors in the production of rainfed wheat. This study is due to the importance of climatic parameters in rainfed wheat production and also due to the potential of rainfed rainforests in Tajikistan, including Ryan Panjkent and Qa in W...
حوضه آبخیز یک سامانه هیدرولوژیکی پویا به لحاظ زمانی-مکانی است؛ بنابراین روند تبدیل بارش به رواناب نیز بسیار پیچیده است. مدلهای هیدرولوژیکی با توان بالقوه خود، ابزارهای کارآمدی بهویژه تحت شرایط تغییرات آب و هوایی محسوب میشوند. هدف از این مطالعه برآورد رواناب حوضه آبخیز گرگانرود-منطقه آققلا با استفاده از مدل نیمه توزیعی IHACRES است. به این منظور دادههای ایستگاه همدید گرگان، ایستگاه هیدرومت...
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