Predicting Surface Soil Organic Matter Contents with Remote Sensing Images in Mining Areas
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    Abstract:

    Remotely sensed multispectral Landsat ETM+images were used to analyze the spatial pattern ofsurface soil organic matter across the coal mining area.Through the correlation analysis between organicmatter contents and ETM+ reflectance variations,wave bands sensitive to organic matter were selected,which were used to establish a prediction model of surface soil organic matter.It was shown that the surfacesoil organic matter contents in study area strongly negatively correlated with the reflectance values of ETM+5and ETM+7(R=-0.585and-0.543,p<0.001).The regression model were developed with the reciprocal of the log-transformed reflectance of ETM+3and the reciprocal of the reflectance of ETM+5(R2=0.616 2,p<0.001),which predicted the spatial pattern of surface soil organic matter with acceptable accuracy(R2=0.616 2,RMSE=0.89).The area of 10~15g/kg organic matter contents accounted for 50.44%of the totalarea of study site.Surface soil organic matter decreased with the increasing subsidence slope of mining,andthe disturbing effect imposed by the mining activities is a carbon losing effect.

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曾远文,陈浮,王雨辰,张绍良.采煤矿区表层土壤有机质含量遥感反演[J].水土保持通报英文版,2013,(2):169-172

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History
  • Received:August 12,2012
  • Revised:September 17,2012
  • Adopted:
  • Online: November 12,2014
  • Published: