石羊河流域干湿气候变化特征及对NDVI的影响

张金丹, 刘明春, 李兴宇, 丁文魁, 杨华, 蒋菊芳

Characteristics of dry-wet climate change and its influence on NDVI in Shiyang River Basin

ZHANG Jindan, LIU Mingchun, LI Xingyu, DING Wenkui, YANG Hua, JIANG Jufang

图5 1971—2020年石羊河流域不同季节S指标年际变化及M-K突变检验 （a）春季、（b）夏季、（c）秋季、（d）冬季

Fig.5 The inter-annual variation and M-K mutation test of S index in different seasons in the Shiyang River Basin during 1971-2020 (a) spring, (b) summer, (c) autumn, (d) winter