TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Yong-zhi,LI Ao,ZHOU Xiang T1 - Drought Analysis Based on Multi-timescale Standardized Precipitation Index in Habahe Region from 1962 to 2014 Y1 - 2017-06-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 12 EP - 16 VL - 34 IS - 6 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20160268 ER -