نتایج جستجو برای: gpcc
تعداد نتایج: 95 فیلتر نتایج به سال:
Abstract. Climate change impact studies require a reference climatological dataset providing baseline period to assess future changes and post-process climate model biases. High-resolution gridded precipitation temperature datasets interpolated from weather stations are available in regions of high-density networks stations, as is the case most parts Europe United States. In many world's region...
با توجه به نقش بالادست رودخانه هیرمند قبل از سد کجکی در آورد این رودخانه، شناخت هیدرولوژیکی آن- بخصوص در بلند مدت، می¬تواند در بهره¬برداری از منابع آب آن که همواره محل اختلاف ایران وافعانستان بوده، مفید باشد. بدیهی است که برای چنین ارزیابی¬هایی، وجود داده¬های بلند مدت همواره مانعی جدی خواهد بود که در افغانستان این مشکل بیشتر نقش آفرینی می¬کند. برای حل این مشکل، استفاده از پایگاه¬های اطلاعات اقل...
In this research, for analysis the spatial- temporal changes of precipitation in Iran, the monthly data of GPCC data base in the spatial resolution of 0.5°×0.5° during 40 years period(1974- 2013) have been used. In order to analyze the spatial character of precipitation, the mean of annual, seasonal and monthly amounts of precipitation were prepared and then by applying IDW method...
This paper describes the latest improvements applied to the Goddard profiling algorithm (GPROF), particularly as they apply to the Tropical Rainfall Measuring Mission (TRMM). Most of these improvements, however, are conceptual in nature and apply equally to other passive microwave sensors. The improvements were motivated by a notable overestimation of precipitation in the intertropical converge...
introduction precipitation plays an important role in the global energy and water cycle. it is important for assessment and management of land use, agriculture and hydrology such as flood and drought risk reduction to know about the amount of precipitation reaching the ground water. assessment of climate change and its effects require long-term rainfall analysis in all spatial scales. growing c...
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