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1960—2020年高加索山地冰川变化研究
侯姗姗1,2(), 王宁练1,2,3(), 李志杰1,2
Glacier variations in the Caucasus Mountains from 1960 to 2020
Shanshan HOU1,2(), Ninglian WANG1,2,3(), Zhijie LI1,2

图5. 基于高分辨率遥感影像的冰川面积不确定性评估:基于Google EarthMaxar影像手工数字化的冰川边界(a);基于Landsat OLI假彩色影像多次手工数字化的冰川边界示例(b)

Fig. 5. Glacier area uncertainty assessment based on high-resolution imagery: manual digitization of glacier boundaries based on Google EarthMaxar imagery (a); example of glacier boundaries based on multiple manual digitization of Landsat OLI composite false colour imagery (b)