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Application Of GIS Software For Erosion Control In The Watershed Scale

Journal: International Journal of Scientific & Technology Research (Vol.6, No. 1)

Publication Date:

Authors : ; ; ;

Page : 57-61

Keywords : ArcGIS 10.1; land degradation; land use; modeling; permanent vegetation; sempor watershed; soil erosion;

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Land degradation in form of soil erosion due to uncontrolled farming is occurred in many watersheds of Indonesia particularly in Java Island. Soil erosion is decreasing watershed function as a rainwater harvesting area. Good conservation practices need to be applied to prevent more degradation. This study aims to investigate the effectiveness of land conservation practice for erosion control through land use modeling in the watershed scale. The modeling was applied in the Sempor watershed Indonesia. Three scenarios of land use were used for modeling. Soil erosion measurement and land use modeling were performed by using Universal Soil Loss Equation USLE method and Geographic Information System GIS software ArcGIS 10.1. Land use modeling was conducted by increasing permanent vegetation coverage from existing condition 4 to 10 20 and 30. The result showed that the modeling can reduce heavy class erosion about 15-37 of total area. GIS provides a good tool for erosion control modeling in the watershed scale.

Last modified: 2017-06-11 22:58:29