Indian River Inlet: Is There a Solution?

by H. Lee Butler, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,
W. Jeff Lillycrop, US Army Engineer Waterways, Experiment Station, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Man-made changes at Indian River inlet, Delaware, have occurred over the past 6 decades. During this period the tidal prism of the Indian River-Rehoboth Bays system has increased along with scouring of the inlet. This paper gives a brief history of the inlet engineering and discusses the immediate problem of protecting a major bridge spanning the inlet. Results from the application of a one-dimensional shallow-water equation model are used to demonstrate the variation of currents from typical tidal events to extreme storm events. The paper does not attempt to provide an answer to the question posed in the title, but suggests a direction if a solution is to be found.

Subject Headings: Inlets (waterway) | Rivers and streams | Tides | Hydrologic models | Stormwater management | Bays | Highway bridges | Storms | North America | Delaware | United States

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