TY - JOUR ID - 33949 TI - Study of Drought in Northern Karun Watershed JO - International Journal of Advanced Biological and Biomedical Research JA - IJABBR LA - en SN - 2383-2762 AU - Dashti Marvili, Mohammad AU - Dabiri, Danial AD - M.Sc. Graduated, Borujerd Branch, Islamic Azad University, Borujerd, Iran AD - M.Sc. Student, Department of Natural Resource, University of Sari, Iran Y1 - 2017 PY - 2017 VL - 5 IS - 3 SP - 116 EP - 119 KW - Drought KW - Standard precipitation index (SPI) KW - Karun watershed DO - 10.26655/ijabbr.2017.6.3 N2 - 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 UR - https://www.ijabbr.com/article_33949.html L1 - https://www.ijabbr.com/article_33949_f53961d70fbba9c25bc065b96e98b8e6.pdf ER -