To improve the accuracy of obtaining the snow cover area from MSS, this paper explores a method of snow cover mapping based on NDVI background field.
为充分精确提取MSS影像的雪盖面积，本文探索一种以NDVI为背景场的雪盖制图新思路。
The snow Cover Depletion Curve based on remote sensing is one of the most important parameters of snow-runoff simulation models. Cloud is the major factors that affect the accuracy of snow mapping.
根据遥感数据获得的雪盖消融曲线是输入到融雪径流模型中一个最重要的参数，云是影响积雪解译精度的主要因素。
In corresponding to different sensor spectral characteristics, many classification methods for snow mapping were developed.
对应不同传感器件的光谱特征，多种分类方法被相继提出。
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