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the paper introduced that use of remote sensing data、DEM data、land use and land cove GIS data to monitoring the soil erosion in Mingjing River valley. Instead of using the parameters in sample sites in field for USLE model calculation we extraction the parameters from satellite data. Landsat TM and ETM temporal data were used to investigate the changes in between 1993 and 2000. The results improve that there was ±5% soil erosion difference between our calculation results from ETM data in 2000 and field statistical results in 1999.

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