对于植被影响土壤水分遥感的大小,提出了“光学植被盖度”新概念来衡量,并用遥感法进行估测。用分解象元法排除植被干扰来提取土壤水分光谱信息。采用土壤水分光谱法并借助回归分析建立土壤水分遥感的TM数据模型。

A new concept of“Optical Vegetation Coverage”is put forward to estimating the amount of water contents of soil affected by vegetation using remote sensing technology Spectral information of Water contents are extracted using the method of decomposing pixels to remove the vegetation effects The method of spectrum of soil water contents is adopted A TM data model is built using a regression method On the basis of above methods,an AVHRR data model is set up.