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
表4 NIR反射率值、NDWI、MNDWI、NDUW阈值
Table 4 Threshold for NIR reflectance, NDWI, MNDWI and NDUWI
提取方法水体信息提取阈值
ETM+TMOLIMSI
NIR反射率值无适用阈值0.15无适用阈值0.11
NDWI无适用阈值无适用阈值无适用阈值无适用阈值
MNDWI无适用阈值无适用阈值无适用阈值无适用阈值
NDUWI0.20.250.250.2