Results 21 to 30 of about 25,918 (255)
Improved Standard Precipitation Index and drought characteristics
In many regions of the world, and particularly in the eastern Mediterranean region, there is a general precipitation decrease tendency according to the global circulation model (GCM) and the regional climate change models (RegCM). Dry spells and their temporal occurrences as droughts affect water resources, and hence, agriculture and food securities ...
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Since ancient times, drought has been one of the worst natural disasters that humanity has experienced. Drought, which is likely to occur locally or regionally can be defined as the lack of precipitation in a certain period of time. Objectively determining long-term droughts in advance enables taking measures against drought.
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Multiscale evaluation of the standardized precipitation index as a groundwater drought indicator [PDF]
Abstract. The lack of comprehensive groundwater observations at regional and global scales has promoted the use of alternative proxies and indices to quantify and predict groundwater droughts. Among them, the Standardized Precipitation Index (SPI) is commonly used to characterize droughts in different compartments of the hydro-meteorological system. In
Rohini Kumar +8 more
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Application and Comparison of Standardized Precipitation and Standardized Precipitation Evapotranspiration Indices for Evaluating Meteorological Drought Condition of Tehran Province [PDF]
Numerous indicators for drought monitoring in different time scales have been used for monthly and yearly data series. One of the limitations of conventional indicators such as the Standardized Precipitation Index (SPI) is no attention to the water ...
Kazem Nosrati +2 more
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This paper examines the impacts of three different potential evapotranspiration (PET) models on drought severity and frequencies indicated by the standardized precipitation index (SPEI). The standardized precipitation-evapotranspiration index is a recent
Aristoteles Tegos +3 more
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Spatial-temporal variation and impacts of drought in Xinjiang (Northwest China) during 1961–2015 [PDF]
Observations indicate that temperature and precipitation patterns changed dramatically in Xinjiang, northwestern China, between 1961 and 2015. Dramatic changes in climatic conditions can bring about adverse effects.
Junqiang Yao, Yong Zhao, Xiaojing Yu
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IntroductionCover crop (CC) is an essential tool to improve or maintain soil health, potentially improving cash crop productivity. Several recent reports of cash crop yield reduction following cover cropping necessitated this research to guide efficient ...
Debankur Sanyal +6 more
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The determination of the drought characteristics of a basin that feeds a reservoir and provides water for agricultural irrigation or energy production is important for the sustainable management of reservoirs. In the present study, the meteorological and
Ahmet Ali Kumanlioglu
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At present, high-resolution drought indices are scarce, and this problem has restricted the development of refined drought analysis to some extent. This study explored the possibility of calculating the standardized precipitation index (SPI) with short ...
Dongdong Zuo +4 more
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Interactions between Climate and Land Cover Change over West Africa
Climate–land interaction over West Africa has often been assessed using climate simulations, although the model-based approach suffers from the limitations of climate models for the region.
Eric Mensah Mortey +6 more
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