Temporal-spatial Abnormity Characteristics of Drought in Sichuan Province Based on Z Index
QI Dongmei1, LI Yueqing1, WANG Ying2, DENG Mengyu1, REN Qian1
Journal of Arid Meteorology . 2017, (5): 734 -744 .  DOI: 10.11755/j.issn.1006-7639(2017)-05-0734