河西走廊及周边区域干旱时空分异特征研究
刘小瑛, 杨秀梅, 张君霞, 贵强, 郑琼, 张军鹏

Spatial-temporal differentiation characteristics of drought in the Hexi Corridor and surrounding regions
LIU Xiaoying, YANG Xiumei, ZHANG Junxia, GUI Qiang, ZHENG Qiong, ZHANG Junpeng
图7 1961—2020年研究区3个子区SPEI-12的M-K突变检验
Fig.7 The M-K abrupt change test for annual SPEI-12 series in three sub-regions of the study area during 1961-2020