新安江流域气象干旱和水文干旱特征及两者之间的关系研究

朱占云, 张露萱, 李福刚, 张珏, 张玮玮, 李强

Study on the characteristics of meteorological and hydrological droughts in Xin’an River Basin and their relationship

ZHU Zhanyun, ZHANG Luxuan, LI Fugang, ZHANG Jue, ZHANG Weiwei, LI Qiang

表1 SPI和SRI干旱等级划分

Tab.1 Drought classification of SPI and SRI indices

干旱等级 SPI SRI 无旱 SPI>-0.5 SRI>-0.5 轻旱 -1.0<SPI≤-0.5 -1.0<SRI≤-0.5 中旱 -1.5<SPI≤-1.0 -1.5<SRI≤-1.0 重旱 -2.0<SPI≤-1.5 -2.0<SRI≤-1.5 特旱 SPI≤-2.0 SRI≤-2.0