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1 2001—2020年黄河干流甘肃段不同范围NDVI的像元数及其占比
Tab.1 The number and its proportion of NDVI pixels with different ranges in Gansu section of the Yellow River main stream from 2001 to 2020
NDVI范围 像元数/个 占比/%
NDVI≤0.20 4 140 5.89
0.20<NDVI≤0.40 24 960 35.51
0.40<NDVI≤0.90 41 181 58.59