基于SPEI和SDI指数的云南红河流域气象水文干旱演变分析

李运刚, 何娇楠, 李雪

Hydrological and meteorological droughts in the Red River Basin of Yunnan Province based on SPEI and SDI Indices

Yungang LI, Jiaonan HE, Xue LI

图6 红河流域季节干旱频率空间分布

Fig.6 Spatial distribution of drought frequency for the spring, the summer, the autumn, and the winter