基于VCI指数的青藏地区春旱时空动态变化分析

季民, 张超, 赵建伟, 严娟, 梁亮

Temporal and spatial dynamics of spring drought in Qinghai-Tibet region based on VCI index

JI Min, ZHANG Chao, ZHAO Jianwei, YAN Juan, LIANG Liang

图4 青藏地区不同等级干旱发生频率分析

Fig.4 Frequency analysis of drought of different grades in Qinghai-Tibet Region