基于遥感影像分析1989—2019年黄河内蒙古段河冰时空变化
牟献友, 宝山童, 张宝森, 翟涌光, 冀鸿兰

A satellite-based analysis on spatial-temporal distribution and variation of river ice in Inner Mongolia reach of the Yellow River from 1989 to 2019 based on remote sensing image interpretation
Xianyou MOU, Shantong BAO, Baosen ZHANG, Yongguang ZHAI, Honglan JI
图3 河冰、水体纯像元NIR波段反射率值及不同指数值分布图
Fig. 3 Different indexes and NIR reflectance value distributions of pure pixels of river ice and water cover types