Analysis of drought and flood change based on standard precipitation index(SPI) and its impact on lake water level of Honghu lake
DENG Yan-jun, ZHOU Shou-hua, YANG Chao, XIA Zhi-hong, LIU Kai-wen
HUBEI AGRICULTURAL SCIENCES . 2020, (10): 32 -37 .  DOI: 10.14088/j.cnki.issn0439-8114.2020.10.007