2001—2022年中国西南地区干旱时空演变特征及其对植被的影响
张辉, 李舟鑫, 吕敬, 蒋尚雄, 陈波

Spatiotemporal evolution characteristics of drought in southwest China from 2001 to 2022 and its impact on vegetation
ZHANG Hui, LI Zhouxin, LYU Jing, JIANG Shangxiong, CHEN Bo
图4 基于SPEI的2001—2022年西南地区不同时间尺度干旱次数(单位:次)空间分布
Fig.4 Spatial distribution of drought frequency (Unit:times)at different time scales based on SPEI in southwest China from 2001 to 2022