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A Systematic Analysis of Disposal Site Stability

by Norman W. Scheffner, USAE Waterways Experiment Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Coastal Sediments

Abstract:

This paper describes a systematic methodology for predicting the stability of dredged material disposal sites over long periods of time, ranging from months to years. The approach is based on the generation of simulated data bases of wave and current time series which accurately represent the environmental conditions descriptive of the site. These boundary conditions are used to drive coupled hydrodynamic, sediment transport, and bathymetry change models which provide reliable predictions of the long-term dispersive or nondispersive characteristics of the site. An example application of this site designation approach is made for a dispersive disposal mound located offshore of the entrance to Mobile Bay, Alabama.

Subject Headings: Site investigation | Sediment transport | Waste sites | Dredged materials | Hydrodynamics | Bathymetry | Transportation engineering | Alabama | United States

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