نتایج جستجو برای: aogcm
تعداد نتایج: 195 فیلتر نتایج به سال:
در مناطق با وضعیت اقلیمی خشک و نیمه خشک (از جمله ایران و به خصوص استان خراسان جنوبی) با توزیع غیریکنواخت بارندگی و عدم تناسب میزان و مدت بارندگی با آب مورد نیاز گیاهان زراعی، آبیاری مناسب به عنوان یک ابزار مهم در توسعه کشاورزی به شمار می رود. اجرای موفق سیستم آبیاری تابع عواملی از قبیل شرایط اقلیمی، مشخصات خاک، کمیت و کیفیت منابع آب های سطحی و زیرزمینی، توپوگرافی اراضی، نوع محصول و شرایط پذیرش ...
In recent years, the severe fluctuations in precipitation have affected various parts of the country. On the southern coasts of the Caspian Sea, precipitation as one of the important climatic parameters has undergone changes due to global climate change. In the present study, we tried to evaluate the effect of climate change on rainfall in this region by applying a suitable model. In this study...
Due to the growth of industries and factories, deforestation and other environmental degradation as well as greenhouse gases have been increasing on the Earth's surface in recent decades. This increase disturbs the climate of the Earth and is called climate change. An Increase in greenhouse gases in the future could exacerbate the climate change phenomenon and have several negative consequences...
. introduction global warming and its result, climate change is an important subject investigated especially in the recent decades by researchers throughout the world. in these studies, at first, climatic parameters changes are investigated. considering many uncertainties in the parameters estimation, it is better to choose a method in order to study and analyze the uncertainty band due to diff...
The climate in Alaska is changing with temperatures and precipitation increasing, and experts say those changes will continue. The changing climate will, among other kinds of social and economic effects, damage public infrastructure throughout Alaska, adding to maintenance costs and shortening the life span of everything from schools to sanitation systems. The question of how much cost impact t...
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