Meteorological drought analysis using multi-scalar SPEI and Copula theory for Jaisalmer district of Rajasthan, India
Yogesh Kumar,
Anil Kumar
Abstract:Drought is a natural disaster of creeping phenomenon which is difficulty to understand. This study utilizes multi-scalar SPEI and copula theory to analyze the meteorological drought in Jaisalmer district of Rajasthan, India. Several marginal distributions are fitted to drought duration and severity. Archimedean and Metaelliptical copulas are used to construct the bivariate probability distributions. The univariate and bivariate return periods are calculated to identify the associate drought risks. The results … Show more
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