The enhanced GENESIS model, GENESIS-T, has been successfully applied near an inlet. The applicability of GENESIS near an inlet was enhanced through inclusion of longshore sand transport by tidal currents, a representative offshore contour, and a new jetty gated boundary condition. The capabilities of the model as a design tool have been extended through implementation of a generalized predictive equation for wave transmission at breakwaters. Predictions of the model are examined in application to a functional design of a submerged jetty spur being studied as a possible shoreline stabilization and sediment-control measure for the North Jetty at Grays Harbor, Washington.
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