Undeveloped Coastal Barriers
Coastal barriers are landscape features that protect the mainland, lagoons, wetlands and salt marshes from the full force of wind, wave and tidal energy. “Undeveloped coastal barriers” are defined by the CBRA to include barrier islands, bars, spits, and tombolos, along with associated aquatic habitats, such as adjacent estuaries and wetlands. Composed of sand and other loose sediments, these elongated, narrow landforms are dynamic ecosystems and are vulnerable to hurricane damage and shoreline recession. Coastal barriers also provide important habitat for a variety of wildlife, and are an important recreational resource.
The Coastal Barrier Resources Reauthorization Act of 2000 (Public Law 106-514) provided specifications for determining if an area was undeveloped at the time it was included within the CBRS, and ordered the development of a Digital Mapping Pilot Project for between 50 and 75 CBRS areas for the purpose of information precision and accessibility. If some portion of a barrier landform is developed, the remaining undeveloped portion may be included in the CBRS.
Read more about this topic: Coastal Barrier Resources Act
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