融合FY-3C号和FY-4A号卫星数据的积雪面积变化研究—以祁连山区为例
乔海伟,张彦丽

FY-3C and FY-4A Satellite Data were Combined to Study the Variation of Snow Cover Area: A Case Study of Qilian Mountains
Haiwei Qiao,Yanli Zhang
表3 NDSI无法区分雪、卷云和水体
Table3 NDSI cannot distinguish between snow, cirrus and water
地物类型NDSI
积雪0.33
土壤-0.23
0.22
植被-0.34
0.28