Abstract: Common weaknesses of current drought indexes were analyzed. First, most of the current indexes are not precise enough in detecting the onset, end, and accumulated stress of drought. Second, they do not effectively take ...

Abstract: he drought climate of Japan from 1902 to 2009 was analyzed using an effective drought index (EDI). Drought regions were identified by hierarchical cluster analysis using drought characteristics (duration, severity, and ...

Abstract: he climatological characteristics of drought in South Korea were investigated using daily precipitation data for 1777?2008. The effective drought index was used to quantify the drought intensity. As a result, five ...