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    Modeling soil erosion in a watershed

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    142_ModSoilEroWatershed.pdf (55.46Kb)
    Downloads: 50
    Date
    1999
    Author
    Lanuza, R.
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    Abstract
    Most erosion models have been developed based on a plot scale and have limited application to a watershed due to the differences in aerial scale. In order to address this limitation, a GIS-assisted methodology for modeling soil erosion was developed using PCRaster to predict the rate of soil erosion at watershed level; identify the location of erosion prone areas; and analyze the impact of landuse changes on soil erosion. The general methodology of desktop modeling or soil erosion at watershed scale is composed of the following: a) model development and structuring; b) formulation of assumptions; c) gathering of information; d) database creation, manipulation, and processing; and e) dynamic modeling with PCRaster.
    URI
    http://hdl.handle.net/10919/65726
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    • Sustainable Agriculture and Natural Resource Management (SANREM) Knowledgebase [4065]

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