Name: Bathymetry - Atchafalaya Bay

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Description: Bathymetry for Atchafalaya Bay was derived from eleven surveys containing 127,192 soundings. No surveys were omitted. The average separation between soundings was 130 meters. The surveys dated from 1934 and 1935. The range of soundings for the eleven surveys was 0.9 meters to -39.0 meters at mean low water. Mean high water values between 0.4 and 0.6 meters were assigned to the shoreline. Twelve points from three surveys were found that were not consistent with the surrounding data. These points were removed prior to tinning. Atchafalaya Bay has twenty-six 7.5 minute DEMs and a single one degree DEM.

Copyright Text: National Ocean Service/Special Projects, NOAA, Department of Commerce

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