过去40 a来祁连山地区植被变化特征及其与气候的关系
杨斐, 冯祥, 张飞民, 王澄海

Characteristics of vegetation change and its relationship with climate in the Qilian Mountains over the past 40 years
YANG Fei, FENG Xiang, ZHANG Feimin, WANG Chenghai
图3 1982—2022 年祁连山年平均NDVI变化
(红色实线为9 a滑动平均)
Fig. 3 Time series of annual average NDVI in the Qilian Mountains from 1982 to 2022
(The solid red line represents the 9-year moving average)