Document Type : scientific-research article
Author
University of Sistan and Baluchestan
Abstract
This paper explores the relationship between winter droughts in Sistan and Baluchestan province and north hemisphere circulation patterns described as Teleconnection Pattern (TP). Statistical correlations significant at 0.01 and 0.05 levels were calculated for winter Standard Precipitation Index (SPI) of region and other major stations, contemporaneous seasonal northern teleconnections and MEI indices values. TP accounted for 55% of SPI variance over the region. In drought conditions (SPI
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