barrier island status report - Coastal Protection and Restoration ...

Figure 21. 1870s to 2006-07 seafloor change from Breton Island to Hewes Point. Note the
large magnitude of erosion on the center shoreface as well as the large deposition zones at each
terminal end of the arc. (UNO/PIES)
Figure 22. 1880s to 2005 seafloor change from Raccoon Point to Sandy Point. Note the
large magnitude of erosion fronting the Caminada Headland and the Plaquemines barrier
shoreline, as well as the deposition at ebb-tidal deltas in the coastal bights at Cat Island Pass and
the Barataria Inlets. The map coordinate system is UTM Zone 15 N meters. The 1880s
bathymetry is from List et al. (1994). Shoreline data are from Martinez et al. (2009). (Miner et
al., 2009).
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