1986—2015年长江源各拉丹冬地区冰川变化遥感监测研究
李晨毓, 井哲帆, 何晓波

Remote sensing monitoring of glacier variation in Geladandong, source regions of the Yangtze River from 1986 to 2015
Chenyu LI, Zhefan JING, Xiaobo HE
图2 云影状态下波段比值法提取冰川边界(TM3/TM5,阈值:1.8)
Fig.2 Extraction of glacier boundary by band ratio method under cloud shadow (TM3/TM5, threshold: 1.8)