Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Grand Strand, South Carolina (BATHY_TRK, Polyline)

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Description In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern coast of South Carolina, focusing on the Grand Strand region. Previous work along the U.S. Atlantic coast shows that the structure and composition of older geologic strata located seaward of the coast heavily influences the coastal behavior of areas with limited sediment supply, such as the Grand Strand. By defining this geologic framework and identifying the transport pathways and sinks of sediment, geoscientists are developing conceptual models of the present-day physical processes shaping the South Carolina coast. The primary objectives of this research effort are: 1) to provide a regional synthesis of the shallow geologic framework underlying the coastal upland, shoreface and inner continental shelf, and define its role in coastal evolution and modern beach behavior; 2) to identify and model the physical processes affecting coastal ocean circulation and sediment transport, and to define their role in shaping the modern shoreline; and 3) to identify sediment sources and transport pathways; leading to construction of a regional sediment budget. [More]
Originators U.S. Geological Survey; Baldwin, Wayne E.; Denny, Jane F.; Schwab, William C.; Gayes, Paul T.; Morton, Robert A.; and Driscoll, Neal W.

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Swath bathymetric tracklines offshore of the Grand Strand, SC
Swath bathymetric tracklines offshore of the Grand Strand, SC