Linking the WEPP model to stability models

Elliot, W.J.; Lewis, S.A. 2000. Linking the WEPP Model to Stability Models. Presented at the 2000 ASAE annual international meeting, Milwaukee, WI, July 9-12, 2000. Paper no. 00-2150. St. Joseph, MI: ASAE. 8 p.

Keywords: Forest roads, Slope stability, Forest hydrology, Erosion models, WEPP, XSTABL, Factor of safety

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Abstract: This paper presents an initial study to determine whether the hydrology in WEPP can aid in the prediction of instability of roads constructed on steep hillsides. The WEPP model predicted soil water content for forest roads. This water content provided input to a road stability regression model developed from the XSTABL model. It appears that WEPP may be over-predicting water content of deeper soils, and that the regression model may be under-predicting the factor of safety.

Moscow FSL publication no. 2000t