Abstract
ABSTRACT In most of the developing and underdeveloped countries, the demand of crop is not fulfilled because of less production, and it is further decreasing due to soil erosion. The sheet erosion affects the fertility of soil, and due to other erosion like rill and gully erosion, the land area is reduced. The silent hazard namely soil erosion is reducing the crop production and has become one of the alarming problems of the whole world. Advancement of technology and development of various models based on remote sensing and GIS has played a significant role in the estimation of soil erosion in the catchment using various empirical models. Still it is a challenge to apply those models and investigate soil erosion-prone areas and quantify erosion. In this study, Universal Soil Loss Equation (USLE) and the Unit Stream Power based Soil Erosion/Deposition (USPED) models were used to identify soil erosion in the Upper Lake, Bhopal in India. Different factors affecting soil erosion were studied, and maps of soil loss due to USLE and USPED models were generated. The soil loss using USPED model was found to be 764481.5 tonnes/yr, whereas using USLE model it was found to be 711700 tones/yr.
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