An Engineering Analysis of Sedimentation in Tidal Inlets

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by Bernard E. Ross, Univ of South Florida, Tampa, United States,
Mark A. Ross, Univ of South Florida, Tampa, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: The engineering comparative analysis of deposition and scour of noncohesive sediments in the neighborhood of bridges over tidal inlets is a unique problem which does not lend itself conveniently to microscale mechanistic modeling. This paper presents a conceptual algorithm for a numerical model which includes the effect of geometry, tides, winds, waves, and littoral currents upon sediment deposition and scour in Florida West Coast tidal inlets. Model testing and some results of the simulation of sediment motion in Clearwater Pass are presented. The study seeks answers to critical questions regarding comparative deposition rates in alternate channels proposed for a new bridge design. A new method of presenting numerical data is shown.

Subject Headings: Sediment | Tides | Inlets (waterway) | Model tests | Scour | Numerical models | Comparative studies | Structural models | North America | Florida | United States

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