Modeling Nearshore Currents in the Vicinity of the Endicott Causeway, Alaska

by Peter Hamilton, Applications Int Corp, Raleigh, United States,



Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling

Abstract:

The Endicott Causeway connects two oil production islands on the southern side of Stefansson Sound, about 5 km offshore of the Sagavanirktok River delta, to the mainland of the Alaskan North Slope. The circulation was simulated with a two-dimensional, vertically integrated, tidal storm-surge model which reproduced well the observed wind-forced currents. Correlation coefficients between simulated and observed currents range from 0.7 to 0.9. Simulations without the Causeway showed that disturbances by the structure were confined to the Lagoon, a protected area between the Causeway and the delta coast, and about 1 to 2 km seaward of the structure.



Subject Headings: Causeways | Two-dimensional models | Coastal protection structures | Nearshore | Wind forces | Hydrologic models | Offshore platforms | Islands | United States | North America | Alaska | Washington

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