A Verified Model for Harbor Entrance Sedimentation

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by Andrew Kadib, U.S. Army Corps of Engineers, Los Angeles, United States,

Document Type: Proceeding Paper

Part of: Coastal Engineering Considerations in Coastal Zone Management

Abstract: This paper presents the development of a verified sedimentation model which is capable of quantifying the rate of dredged navigation channel sedimentation under local waves and currents. The method is based on analysis similar to those of H.E. Einstein for unidirectional flow. The Einstein approach was modified to accommodate non-breaking waves and steady state currents. Method results were field verified by monitoring the sedimentation rates at a test trench at Morro Bay Harbor entrance in California. The method is suitable for application to a range of planning and engineering studies, such as the prediction of bottom material movements, the estimation of transport rates, and sediment rates from dredge disposal sites.

Subject Headings: Sediment | Sediment transport | Verification | Ports and harbors | Littoral drift | Transportation engineering | Model analysis | Transport rates | North America | California | United States

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