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Analysis on the characteristic of drought disaster in Shaanxi

LIU Yin-ge 1,2,MIAO Qi-long 1 (1.Dept.Envmt.Sci.,Nanjing Institute of Meteorology , Nanjing 210044,Jiangsu, China; 2.Dept.Geog.Sci.& Envmt.Engn.,Baoji Coll.Arts & Sci.,Baoji 721007,Shaanxi,China)  
Based on the precipitation and agricultural drought data of Shaanxi Province from 1951 to 2000,the drought disaster index ranks are defined by Z standard and drought rate, the characteristics of agricultural drought disaster are analysed. Results show that drought disaster is the most serious in 1990s, and agricultural drought is increasing.
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