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Tracing sediment dispersal on nourished beaches: Two case studies

December 31, 1999

The event- to decade-scale patterns of sediment dispersal on two artificially nourished beaches have been mapped using a combination of geophysical surveys, closely-spaced vibracores, and repeated beach profiles. At both Wrightsville Beach, NC and Folly Island, SC the sediment used for beach nourishment is macroscopically distinct from native sediment and can be used to identify sediment transport pathways and infer mechanisms for across-shelf transport. The data from both sites demonstrate that significant quantities of nourishment sediment are being transported seaward onto the inner continental shelf. The time and space scales of this transport are of engineering interest for the planning, design and long-term maintenance of nourished beaches.

Citation Information

Publication Year 1999
Title Tracing sediment dispersal on nourished beaches: Two case studies
Authors E. Robert Thieler, Paul T. Gayes, William C. Schwab, M. Scott Harris
Publication Type Conference Paper
Publication Subtype Conference Paper
Index ID 70194855
Record Source USGS Publications Warehouse
USGS Organization Woods Hole Coastal and Marine Science Center