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3 山脊线提取流程
Fig.3 The process of extracting ridge line