St. Catherines/Sapelo Sounds, GA (S140) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
Bathymetry for St. Catherines/Sapelo Sounds was derived from eighteen surveys containing 70,555 soundings. No surveys were omitted. The average separation between soundings was 52 meters. Fifteen of the eighteen surveys used dated from 1934. The remaining three surveys located in the east and south dated from 1974 and …