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Open AccessArticle10.14796/jwmm.r175-21

Application of GIS in Watershed Management

Ramesh Rudra,W. T. Dickinson,Diya Sharma-1993-01-01-Journal of Water Management Modeling
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TL;DRAbstract

This chapter presents a method to integrate a distributed watershed model with Geographic Information System (GIS) for management of soil erosion and fluvial sedimentation from nonpoint sources. Digitized data on soil, land use, topography and surface drainage pattern have been overlayed, using Arclnfo GIS, to generate input data file for the GAMES model. The GAMES output on erosion and sediment yield has been analyzed, using GIS, to prepare watershed maps to describe spatial distribution of soil erosion losses, sediment contributing areas and problem categories. This approach provides a powerful and faster technique for preparation of input file and interpretation of output of NPS and hydrologic models.

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This chapter presents a method to integrate a distributed watershed model with Geographic Information System (GIS) for management of soil erosion and fluvial sedimentation from nonpoint sources. Digitized data on soil, land use, topography and surface drainage pattern have been overlayed, using Arclnfo GIS, to generate input data file for the GAMES model. The GAMES output on erosion and sediment yield has been analyzed, using GIS, to prepare watershed maps to describe spatial distribution of soil erosion losses, sediment contributing areas and problem categories. This approach provides a powerful and faster technique for preparation of input file and interpretation of output of NPS and hydrologic models.

Keywords

WatershedGeographic information systemWatershed managementFluvialGeographyErosionEnvironmental resource managementComputer science

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