National Assessment of Shoreline Change: Part 1: Historical Shoreline Changes and Associated Coastal Land Loss Along the U. S. Gulf of Mexico
DIANE Publishing, 2008 - 42 pages
Beach erosion is a chronic problem along open-ocean shores of the U.S. As coastal populations continue to grow and community infrastructures are threatened by erosion, there is increased demand for accurate info. regarding past and present trends and rates of shoreline movement, and a need for a comprehensive analysis of shoreline movement. This report on states bordering the Gulf of Mexico (Florida, Alabama, Mississippi, Louisiana, and Texas) summarizes the methods of analysis, interprets the results, provides explanations regarding the historical and present trends and rates of change, and describes how different coastal communities are responding to coastal erosion in 2004 (prior to Hurricanes Katrina and Rita). Illustrations.
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accretion Alabama analysis areas Assessment of Shoreline average barrier islands beach erosion beach nourishment beach profiles Bolivar Peninsula breakwater calculated Captiva Island chenier plain coast of Florida coastal change coastal erosion coastal land loss coastal plain construction datum Dauphin Island delta downdrift dredged dunes eroding Figure four shorelines Galveston Gulf Coast barrier Gulf of Mexico Gulf shore Gulf shoreline headland historical shorelines Hurricane landward lidar lidar shoreline lidar-derived Long-term rates Longboat Key Louisiana mainland shores maps marshes MHWL migrating Mississippi Sound Morton National Assessment NOAA T-sheets nourished beaches Number offset operational MHW Peninsula Perdido Key Pilkey position error rates of change rates of erosion rates of shoreline result retreat River Rock revetments Sargent Beach sea level seawall seaward sediment segments shoal shoreline erosion shoreline movement shoreline position South Padre Island storm submerged Table 7a Texas tidal inlets transects U.S. Geological Survey USGS wave energy west Florida