Model Testing of Shore Protection Schemes at Surfside-Sunset Beach, CA

by Robert R. Bottin, Jr., USAE Waterways Experiment Station, Vicksburg, United States,

Document Type: Proceeding Paper

Part of: Coastal Sediments

Abstract: A 1:75-scale physical hydraulic model was used to investigate the design of proposed structural modifications at Surfside-Sunset Beach, California, with regard to beach erosion at the site. The model included approximately 4,600 ft (1,400 m) of the California shoreline and offshore bathymetry in San Pedro Bay. Waves were reproduced by means of a spectral wave generator, and a crushed coal tracer material was used to qualitatively determine the movement of beach-fill material. Proposed improvements consisted of offshore breakwaters, and a breakwater attached to the existing east jetty and extending parallel to the beach.

Subject Headings: Coastal management | Model tests | Beaches | Wave generation | Hydraulic models | Site investigation | Bays | Wave spectrum | Hydraulic design | California | North America | United States

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