A Modified Soil-Adjusted Vegetation Index Obtained from Satellite Remote Sensing Data
一种由卫星遥感资料获得的修正的土壤调整植被指数

There is currently a increasing attention on obtaining vegetation distribution, type by using satellite remote sensing data, many different vegetation indexes based on normalized deferent vegetation index have been developed These indexes, such as weighted deferent vegetation index, soil-adjusted vegetation index and transformed soil-adjusted index, can reduce the effects of soil background noise in some degree However the vegetation density distribution or green cover must be known at first, that is to say, it only fit for undersurface which the vegetation shifted slowly In this paper, we developed a modified soil-adjusted vegetation index, its soil-adjusted factor is self-modified only using satellite remote sensing data The calculation results show: its dynamic range is bigger than that of other vegetation indexes, the deviation from the optimal soil-adjusted vegetation index is the smallest one among the other vegetation indexes, therefore it is very efficient to gained regional soil-adjusted vegetation index using satellite remote sensing data