Introduction (Alt + 1)
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Coastal Processes (Alt + 3)
Coastal Materials (Alt + 4)
Coastal Environments (Alt + 5)
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Coastal Environments

Our national parks contain diverse coastal environments: high-energy rocky shorelines of Acadia National Park in Maine, quiet lagoons within War in the Pacific National Historic Park in Guam, and the white sandy beaches of Gulf Islands National Seashore in Mississippi and Florida. In general, the coastal environment can be defined as that area lying at the interface between land and sea (or other large body of water). It includes both the zone of shallow water within which waves are able to move sediment, and the area landward of this zone, including beaches, cliffs, and coastal dunes, which is affected to some degree by the direct or indirect effects of waves, tides, and currents. While the terms shoreline and beach refer to the area of frequent, or at least occasional, wave action along the edge of the sea or a lake, the coastal environment itself may

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Lakeshores Tropical Coasts Deltas Estuaries Sandy Coasts Rocky Coasts