PDSIsc_PDSI干旱指数在中国西南地区适用性分析
宋琳琳, 张强, 任余龙, 李忆平, 韩兰英, 柳媛普, 王素萍

The applicable analysis of PDSI and self_calibrating PDSI drought indices in southwest China
Linlin Song, Qiang Zhang, Yulong Ren, Yiping Li, Lanying Han, Yuanpu Liu, Suping Wang
图5 2009—2010干旱事件中土壤湿度、PDSI、sc_PDSI及两种指数的频率分布
Fig.5 Soil moisture, PDSI, sc_PDSI and frequency distributions of the two indexes in 2009-2010 drought event