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Federal
ETOPO 2022 15 Arc-Second Global Relief Model 23 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
ETOPO 2022, a global relief model with 15 arc-second resolution seamlessly integrating topographic and bathymetric data. The ETOPO 2022 model uses a combination of... -
Federal
Narragansett Bay, RI (M020) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Narragansett Bay was derived from fifteen surveys containing 165,184 soundings. Three older, less accurate, overlapping surveys were entirely omitted,...