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Gully Intrusion on Reclaimed Disposal Sites

by Scott A. Hogan, Colorado State Univ, Fort Collins, United States,
Christopher J. Pauley, Colorado State Univ, Fort Collins, United States,
Steven R. Abt, Colorado State Univ, Fort Collins, United States,
Terry L. Johnson, Colorado State Univ, Fort Collins, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

A three-phase gully erosion study was initiated at the Engineering Research Center of Colorado State University, in cooperation with the U.S. Nuclear Regulatory Commission. The objective of this study is to investigate the gullying processes and attempt to develop an empirical model that could aid in the design of earthen soil covers by means of predicting the gully incision potential on reclaimed disposal sites in the semi-arid western United States. Statistical analysis of results from several simulated gully flume tests combined with data retrieved from natural occurring gullies at reclaimed mine sites, has yielded a preliminary empirical model, which characterizes the maximum gully incision as a nonlinear process. In addition the locations of maximum depth have been observed to occur predominantly near the crest of the slope.

Subject Headings: Waste sites | Site investigation | Flumes | Erosion | Simulation models | Land reclamation | Federal government | United States

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