面向对象-改进冰雪指数法消除冰湖干扰提取冰川边界的优越性分析——以各拉丹冬冰川为例

杨佳, 薛莎莎, 苏永恒, 任庆福

Analysis of superiority of the object-oriented-improved ice and snow index method to eliminate glacial lake interference and extract glacier boundaries： taking Geladandong Glacier as an example

Jia YANG, Shasha XUE, Yongheng SU, Qingfu REN

图2 冰雪光谱曲线 注：不同融雪状态冰雪光谱曲线来自USGS波谱库，网址为https：//crustal.usgs.gov/speclab/QueryAll07a.php?quick_filter=snow；不同粒径冰雪光谱曲线来自Aster波谱库，网址为https：//speclib.jpl.nasa.gov/library

Fig. 2 Spectral curve of ice and snow： different snow melting conditions （a） and different particle sizes （b）