Tag Archive | drought index

Temporal trend calculation of di (drought index) and comparison of two methods of IDW and KRG as important spatial analysis tools – JBES

DroughtMaryam Rashidfar, Hassan Ahmadi, Gholamreza Zehtabian

Department of Agricultural and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran

Department of Agricultural and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran

Collage of Natural Resources, University of Tehran, Karaj, Iran

Key words: Drought, drought index, temporal trend, spatial analysis, DI.

Abstract

Drought is one of the main natural causes of agricultural, economic and environmental damage. The objective of this study is to provide a comparative spatial analysis by using IDW and KRG methods in Taleghan Watershed in Iran with the view to identifying trends and onset of drought. Continue reading

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