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study of drought in northern karun watershed
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نویسنده
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dashti marvili mohammad ,dabiri danial
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منبع
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international journal of advanced biological and biomedical research - 2017 - دوره : 5 - شماره : 3 - صفحه:116 -119
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چکیده
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Drought is a natural hazard that has significant impact on economic, agricultural, environmental, and social aspects. in the present study details analysis of rainfall data has been carried out for the years 1981-2011. standard precipitation index (spi) has been used to evaluate the precipitation deficit in the karun watershed of iran. the results indicated that 1981-82,82-83,83-84, 84-85, 88-89, 89-90, 90-91, 93-94, 96-97, 98-99, 99-2000, 2000-2001, 2002-2003, 2007-2008, 2008-2009, 2009-2010 and 2010- 2011 the spi values is negative. it is very anguish. and also this found threat drought the water resource and agriculture.
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کلیدواژه
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drought ,standard precipitation index (spi) ,karun watershed
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آدرس
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islamic azad university, borujerd branch, ایران, university of sari, department of natural resource, ایران
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Authors
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