A drought index: The standardized precipitation evapotranspiration runoff index

Long Wang,Hang Yu,Maoling Yang,Rui Yang, Rui Gao,Ying Wang

Journal of Hydrology（2019）

引用 47|浏览5

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摘要

•We develop a multi-scalar drought index, namely SPERI.•The changes in the SPERI are close to those in the SPI and SPEI.•The 3-month SPERI assessment is the most accurate.

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关键词

SPERI,SPEI,SPI,Copula function

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