Coastal and Inlet Processes Numerical Modeling System for Oregon Inlet, North Carolina

摘要

Oregon Inlet is a large tidal inlet through the barrier island system of North Carolina. In 1970, Congress authorized the Manteo (Shallowbag) Bay project which had provisions to stabilize Oregon Inlet with two jetties, deepen the ocean bar channel to 20 ft, and bypass across the inlet sand intercepted by the jetties. This report describes the results of a numerical study to consider coastal and inlet processes in the region surrounding the inlet under existing and planned project conditions. To accomplish the objectives of the study, a system of numerical models called Coastal and Inlet Processes (CIP) Numerical Modeling System was developed. It included models for wave propagation, wave-induced currents and setup, sediment transport within and beyond the surf zone, and profile response (onshore-offshore transport). Results from a separate study on numerical simulation of tides and storm surge for Oregon Inlet were utilized in the present investigation. Originator-supplied keywords: Coastal processes, Dredge disposal Hydraulic structures--evaluation, Hydrodynamics-mathematical models, Inlets, Numerical models, Numerical simulation, Oregon Inlet (North Carolina), Sediment transport, Storm surge, Tides, Waves, Wave-induced currents.