Abstract
Soil erosion and water conservation are major concerns arising from agricultural acceleration, changing land patterns and uncertain rainfall pattern. Soil erosion within watersheds results in increasing the deposition of sedimentation in the water bodies and thus dropping their carrying capacity and life span. Soil erosion studies are crucial for watershed design and management. The objective of current investigation is to quantify sediment yield of Upper Karha watershed of Pune district, Maharashtra, India, which is a semi-arid zone and rain-shadow region. In the present study, the sediment yield assessment by USLE model and RUSLE model is performed with the help of remote sensing and geographical information system. The average annual sediment yield is observed, i.e. 4.54 tonne/acre/year and 4.14 tonne/acre/year by USLE and RUSLE models, respectively. To address the current issue of sedimentation, suitable sites and suitable types of structures were suggested for soil and water conservation.
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