Effect on sediment yield due to change in land use land cover and construction of hydraulic structures Online publication date: Mon, 26-Sep-2022
by B.R. Joshi; S.M. Yadav
International Journal of Hydrology Science and Technology (IJHST), Vol. 14, No. 3, 2022
Abstract: Estimates of sediment yield from the basin are required for water resource management planning. The effect on hydrology and sediment yields of land use variations is examined in the Banzar River Basin, part of the Upper Narmada River, using the soil and water assessment tool (SWAT). The results specify that the increase in agricultural land and water bodies has resulted in deforestation, causing a decrease in sediment yield. The land use land cover (LULC) changes and the construction of hydraulic structures that impact hydrological processes were studied in this research. It was observed that in 30 years, 23% of forest land had been reduced to agricultural, commercial, residential, and water bodies. Hydraulic structure construction reduces sedimentation in the upstream area but increases sedimentation in the downstream zone. Therefore, a change in land use pattern is a long-term solution for a reduction in sediments yield.
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