نتایج جستجو برای: gpcc
تعداد نتایج: 95 فیلتر نتایج به سال:
Abstract Over the recent decades, extreme precipitation events (EPEs) have become more frequent over Sahel. Their properties, however, so far received little attention. In this study spatial distribution, intensity, seasonality, and interannual variability of EPEs are examined, using both a reference dataset based on high-density rain gauge network Burkina Faso 24 gridded datasets. The datasets...
The substantial reliance of South Asia (SA) to rain-based agriculture makes the region susceptible food scarcity due droughts. Previously, most research on SA has emphasized meteorological aspects with little consideration agrarian drought impressions. insufficient amount in situ precipitation data across also hindered thorough investigation sector. In recent times, models, satellite remote sen...
The Indian Summer Monsoon (ISM) plays a vital role in the livelihoods and economy of those living on subcontinent, including small, mountainous country Bhutan. ISM fluctuates over varying temporal scales its variability is related to many internal external factors El Niño Southern Oscillation (ENSO) Ocean Dipole (IOD). In 2015, Super occurred tropical Pacific alongside positive IOD was followed...
this study investigates the atmospheric circulation associated with extreme rainfall events over the coastal west africa. the rainfall data of this study were obtained from the global precipitation climatology centre (gpcc), spanning from 1981 to 2010. the atmospheric datasets were also obtained from the era-interim reanalysis. the study employed the z-index to categorize dry and wet years into...
در این پژوهش برای واکاوی نقش نوسان شمالگان در فراوانی روزهای همراه با رخداد بارش در ایران از دادههای روزانة بارش GPCC، دادههای روزانة نوسان شمالگان از مرکز پیشبینی آب و هوایی نوا و دادههای ارتفاع ژئوپتانسیل 700 هکتوپاسکال از پایگاه دادههای مرکز ملی پیشبینی محیطی- مرکز ملی پژوهشهای جوی طی بازة زمانی 1367-1391 استفاده شد. نخست، برای بررسی نقش نوسان شمالگان بر روی فراوانی رخداد بارش، از آما...
This study investigates the atmospheric circulation associated with extreme rainfall events over the coastal West Africa. The rainfall data of this study were obtained from the Global Precipitation Climatology Centre (GPCC), spanning from 1981 to 2010. The atmospheric datasets were also obtained from the ERA-Interim reanalysis. The study employed the Z-Index to categorize dry and wet years into...
طرح مسئله: بارش ازجمله متغیرهای بسیار مهم اقلیمی است که تغییرات آن پیامدهای مختلفی ازنظر محیطی، اقتصادی و اجتماعی به دنبال دارد. هدف: هدف پژوهش حاضر، ارزیابی تغییرات شاخصهای حدی بارش در ایران است. روش: برای این منظور، آخرین نسخة دادههای روزانة مرکز اقلیمشناسی بارش جهان (GPCC) برای بازة زمانی 1982- 2016 در تفکیک مکانی 1×1 درجة طول و عرض جغرافیایی انتخاب شد. با انجام عملیاتهای برنامهنویسی...
The Tianshan Mountains, with their status as ‘water tower’, receive quantities of precipitation that are among the highest in Central Asia. There considerable knowledge gaps regarding understanding spatial and temporal patterns over this water-scarce region. Based on Global Precipitation Climatology Centre (GPCC) data set, study evaluated variations Mountains different time scales by using Mann...
Management of the freshwater resources in a sustained manner requires information and understanding surface water hydrology streamflow is key importance this nexus. This study evaluates performance eight different precipitation products (APHRODITE, CHRS CCS, CDR, CHIRPS, CPC Global, GPCC, GPCP, PERSIANN) for prediction two sub-catchments (Chirah Dhoke Pathan) data-scarce Soan River Basin (SRB) ...
Interdecadal Variability in Myanmar Rainfall in the Monsoon Season (May–October) Using Eigen Methods
In this study, we investigated the interdecadal variability in monsoon rainfall Myanmar region. The gauge-based gridded dataset of Global Precipitation Climatology Centre (GPCC) and Climatic Research Unit version TS4.0 (CRU TS4.0) were used (1950–2019) to investigate summer using empirical orthogonal function (EOF), singular value decomposition (SVD), correlation approaches. results reveal rela...
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