Patterns of Erosion Along the Atlantic Coast

by Robert Dolan, Univ of Virginia, United States,
Susan J. Trossbach, Univ of Virginia, United States,
Michael K. Buckley, Univ of Virginia, United States,

Document Type: Proceeding Paper

Part of: Barrier Islands: Process and Management


Shoreline erosion data are needed in the implementation of recent legislation that authorizes the National Flood Insurance Program (NFIP) to provide advance insurance payments for the relocation or demolition of insured structures which are subject to imminent collapse as a result of shoreline erosion. A storage/retrieval computer program, called the Coastal Erosion Information System (CEIS) is being used to assemble shoreline data. CEIS provides rate of shoreline change data, statistical summaries of shoreline erosion, and sources of erosion information. We have used this new data to analyze patterns of shoreline erosion along the mid-Atlantic Coast. Between North Carolina and New Jersey, the mean rate of erosion is -0.94 m/yr., with 71.9% of the shorelines eroding and 28.1% accreting.

Subject Headings: Erosion | Shoreline protection | Information systems | Insurance | Legislation | Computer analysis | Beach accretion | Mid Atlantic | North Carolina | New Jersey | United States

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