Abstract

The present study demonstrated the utility of high resolution LISS IV satellite data for accurate mapping of landuse landcover which forms an important component while computing the land cover and management factor and erosion control practice factor for soil loss estimation using RUSLE model. The Cartosat-I DEM was used for computing the flow accumulation and the slope length (LS) factor with adequate precision. The results showed that the Daltonganj watershed has an average annual soil loss upto 69 tons ha -1 yr -1 . The maximum area contributing to soil erosion was from agricultural lands where the slope is less than 5˚ and having soil loss upto 10 tons ha -1 yr -1 however the maximum rate of soil erosion was observed near the upper catchment near the 6 th order river channel and over the hilly region with annual average soil erosion between 26 and 30 tons ha -1 yr -1 .

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