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ARS Home » Midwest Area » West Lafayette, Indiana » National Soil Erosion Research » Research » Publications at this Location » Publication #90561


item Fu, Hailiang
item Flanagan, Dennis

Submitted to: Crop Simulation Workshop Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: 4/5/1998
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: An understanding of the dynamics in the Atmosphere-Plant-Soil interactive layers is important in crop growth simulations. The Water Erosion Prediction Project (WEPP) model simulates many complex relationships between soil loss and the related environment, making it a powerful tool for conservation planning and environmental impact assessments. However, WEPP lacks a modern interface to allow users to easily organize and conduct their simulations. To assist WEPP users, especially the Natural Resources Conservation which will be testing WEPP and expanding databases, a graphical Windows-based interface (Wpslp) has been developed. The main Wpslp view displays a side veiw of the hillslope profile of interest, with the user-described slope shape visible. Layers are present on the profile which represent cropping/management, topography, and soils. One of the strengths of the WEPP model is its ability to simulate non-uniform soils and cropping/management down a profile, and the Wpslp interface allows for easy insertion, modification, and deletion of multiple regions on both the soil and cropping/management profile layers. Once a user has set up his/her hillslope as desired, they can run the model from the main view, and the interface will automatically build the necessary WEPP model inputs from the screen information, execute the WEPP model, and provide selected output files to the user. The Wpslp interface also contains edit screens which allow a user to change slope, soil, management, and climate information for their specific situation, as well as access soil, climate, tillage operation, and plant parameter databases. Output from WEPP model simulations may be viewed either as text or graphically.