Galveston Island, Texas, Sand Management Strategies
U.S. Army Engineer Research and Development Center Vicksburg United States
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The Coastal and Hydraulics Laboratory, Engineer Research and Development Center, and the U.S. Army Engineer District, Galveston, conducted a study to support a sand management strategy for the Galveston Park Board of Trustees of Galveston, TX. The long-term management strategy encompasses not only Galveston Park Board of Trustees managed areas, but the entire shoreline of Galveston Island. In the first phase of the project, a sediment budget was recomputed and GenCade, a numerical model, was calibrated for Galveston Island. After discussing potential solutions and actions with the Park Board, engineering analyses and numerical modeling were conducted to quantify the performance of each selected alternative. The long-term solution is a wide beach along Galveston Island that is filled through beach nourishment and backpassing plants on both ends of the island. This solution will require a large volume of sand for the initial construction therefore, sand management solutions were identified and potential offshore sand sources were identified. Shorter-term and smaller-scale beach nourishment activities were also provided as options within the strategy.