Document Type : Research Paper
Authors
1 Ph.D. of Synoptic Meteorology
2 Master of Climatology
3 Master of Geography
Abstract
In order to study the temporal and spatial distribution of drought in Hamadan province, statistics of eleven of province stations for a period of 27 years was used, and after performing validation and homogeneity tests, it was normalized with drought by the Gibbs and Mohr method, and SPI index for years of drought occurrence in the province was determined. According to this, in the years 1996 and 1999 the most severe drought has occurred. After the dry years were determined based on the Gibbs and Mohr method, the related maps were drawn up to determine its dispersion across the province, and finally, using the ranking of these indices, the final map was drawn according to which the intensity of droughts decreases from east to west, namely, the eastern and central regions have been more susceptible to drought in comparison with other parts of the province.
Keywords
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