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Modeling erosion under future climates with the WEPP model


Bayley, Timothy; Elliot, William; Nearing, Mark A.; Guertin, D. Phillp; Johnson, Thomas; Goodrich, David; Flanagan, Dennis. 2010. Modeling erosion under future climates with the WEPP model. In: Hydrology and sedimentation for a changing future: Existing and emerging issues; Proceedings of the 2nd Joint Federal Interagency Conference [9th Federal interagency sedimentation conference and 4th Federal interagency hydrologic modeling conference]; 27 June - 1 July; Las Vegas, NV. 12 p.

The Water Erosion Prediction Project Climate Assessment Tool (WEPPCAT) was developed to be an easy-to-use, web-based erosion model that allows users to adjust climate inputs for user-specified climate scenarios. WEPPCAT allows the user to modify monthly mean climate parameters, including maximum and minimum temperatures, number of wet days, precipitation, and precipitation intensity (change in heavy precipitation events) in order to assess changes in surface runoff and soil erosion. In addition, the model allows the user to assess the impacts of a variety of land management alternatives including riparian filter strips. An important aspect of the tool is that databases for the model are pre-constructed; therefore, it does not require specialized scientific expertise to run, and scenarios are quick and easy to set up. This paper presents the conceptual and technical basis for WEPPCAT, and an example application is given for sediment delivery on a transect running north-south from Minnesota to Louisiana under several climate change scenarios.

Keywords: Water Erosion Prediction Project Climate Assessment Tool (WEPPCAT)


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Title: RMRS Other Publications: Modeling erosion under future climates with the WEPP model
Electronic Publish Date: April 4, 2012
Last Update:
April 4, 2012

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