نتایج جستجو برای: persiann model
تعداد نتایج: 2104420 فیلتر نتایج به سال:
The weather and climate over the coastal regions have received increasing attention because of substantial population growth, rising sea level, extreme weather. Satellite remote sensing provides global precipitation estimates (including land/ocean). While these datasets been extensively evaluated land, they rarely assessed ocean. As radars cover both land ocean, we used Multi-Radar/Multi-Sensor...
The flood on March 25, 2019 in the Quran Gate of Shiraz led to heavy human and financial losses. Studies of the current condition of the 25 km2 semi-urban watershed of the mentioned area were performed using the SCS semi-distributed rainfall-runoff model. Due to the big difference in average elevation of the Quran Gate watershed with synoptic and rain gauge stations in Shiraz, the precipitation...
Food and economic security in West Africa rely heavily on rainfed agriculture are threatened by climate change demographic growth. Accurate rainfall information is therefore crucial to tackling these challenges. Particularly, about the occurrence length of droughts as well onset date rainy season essential for agricultural planning. However, existing models fail accurately represent highly vari...
abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...
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...
Pola distribusi hujan sangat diperlukan dalam analisis transformasi aliran khususnya untuk penentuan hidrograf banjir rancangan bangunan hidrolik. Distribusi ini tergantung dengan data durasi pendek yang umumnya terbatas, sehingga sebagai solusi dapat digunakan berbasis satelit. satelit apabila dihasilkan memiliki pola mendekati terukur. Dalam adalah jam–jaman dari beberapa stasiun terletak di ...
همواره دسترسی آسان به دادههای پایة اقلیمی و قابل اطمینانبودن آنها در نقاط مختلف جهان از چالشهای اساسی پژوهشگران بوده است. بدین منظور، پایگاههای اقلیمی مختلفی نظیر مشاهداتی واکاوی شده و محصولات ماهوارهای ایجاد شدهاند. در این پژوهش از پایگاه دادة بارش ماهوارهای PERSIANN-CDR به منظور برآورد رواناب با مدل نیمهتوزیعی هیدرولوژیکی SWAT بر روی پهنة حوضة دریاچة مهارلو استفاده شده است. یافتهه...
Phenology response to climatic variables is a vital indicator for understanding changes in biosphere processes as related to possible climate change. We investigated global phenology relationships to precipitation and land surface temperature (LST) at high spatial and temporal resolution for calendar years 2008–2011. We used cross-correlation between MODIS Enhanced Vegetation Index (EVI), MODIS...
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