气候和人类活动对黄河干流甘肃段NDVI变化的影响

殷菲, 白冰, 黄鹏程, 马玉龙

Impact of climate and human activities on NDVI change in Gansu section of the Yellow River main stream

YIN Fei, BAI Bing, HUANG Pengcheng, MA Yulong

表3 2001—2020年黄河干流甘肃段不同等级植被变化程度的像元数及其占比

Tab.3 The number and its proportion of pixels of vegetation change degree in different grades in Gansu section of the Yellow River main stream from 2001 to 2020

植被变化程度 像元数/个 占比/% 中度退化 5 <0.01 轻微退化 108 0.15 基本不变 58 144 82.73 轻微改善 11 938 16.99 中度改善 86 0.12