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Federal
SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Bathymetry: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A global 1-km resolution bathymetric digital elevation model (DEM) grayscale hillshade of the ocean floor. Derived from the SRTM30+ v11 dataset produced at Scripps... -
Federal
Main Hawaiian Islands Multibeam Bathymetry Synthesis: 1-km Bathymetry and Topography
National Oceanic and Atmospheric Administration, Department of Commerce —
A 50-m resolution gridded synthesis of all available bathymetry (ocean depth) data for the main Hawaiian Islands, from the Hawaii Mapping Research Group (HMRG) in the... -
Federal
Hudson River, NY/NJ (M060H) 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 the Hudson River was derived from twenty surveys containing 120,771 soundings. No surveys were omitted. The average separation between soundings was 51... -
Federal
Bathymetry of Lake Ontario
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry of Lake Ontario has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more... -
Federal
Observed Presence of Alien and Invasive Algae, 2000-2013 - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
Due to the geographic isolation of the Hawaiian Islands, close to 25% of Hawaii's reef fishes and red algae species are endemic. This leaves Hawaiian coral reefs... -
Federal
Barnegat Bay, NJ (M070) 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 Barnegat Bay was derived from six surveys containing 74,448 soundings. No surveys were deleted. The average separation between soundings was 49 meters.... -
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,... -
Federal
Galapagos Islands, Ecuador 3 sec Digital Elevation Model
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated... -
Federal
Great South Bay, NY (M050) 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 Great South Bay was derived from thirteen surveys containing 124,314 soundings. Nineteen older, less accurate, overlapping surveys were omitted, and... -
Federal
Tide Model for the Hawaiian Islands: Main NW Islands
National Oceanic and Atmospheric Administration, Department of Commerce —
Tide model for the Hawaiian Islands. The model is based on climatological stratification, but 64 harmonics are used to model the full-depth baroclinic tides. The... -
Federal
Aransas Bay, TX (G300) 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 Aransas Bay was derived from fourteen surveys containing 123,235 soundings. The average separation between soundings was 65 meters. Two entire... -
Federal
Pamlico Sound, NC (S020) 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 Pamlico Sound was derived from Sixty-five surveys containing 648,402 soundings. Nine older, overlapping, less accurate surveys were entirely omitted... -
Federal
Mobile Bay, AL (G150) 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 Mobile Bay was derived from twenty-three surveys containing 173,661 soundings. Older, overlapping, less accurate surveys were deleted. The average... -
Federal
St. Johns River, FL (S180) 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 the St. Johns River was derived from thirty-two surveys containing 158,931 soundings. No surveys were omitted. The average separation between soundings... -
Federal
Great Bay, NH (N130) 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 Great Bay was derived from six surveys containing 30,640 soundings. One older, less accurate, overlapping survey was omitted before tinning the data.... -
Federal
SRTM30+ Global 1-km Digital Elevation Model (DEM): Version 11: Land Surface: Hillshade
National Oceanic and Atmospheric Administration, Department of Commerce —
A global 1-km resolution land surface digital elevation model (DEM) grayscale hillshade. Derived from the SRTM30+ v11 dataset produced at Scripps Institution of... -
Federal
Bathymetry of Lake Erie and Lake Saint Clair
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry of Lake Erie and Lake Saint Clair has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and... -
Federal
Photosynthetically Active Radiation (PAR) Average Annual Frequency of Anomalies, 2003-2018 - American Samoa
National Oceanic and Atmospheric Administration, Department of Commerce —
Solar irradiance is one of the most important factors influencing coral reefs. As a majority of their nutrients are obtained from symbiotic photosynthesizing... -
Federal
Barkley Sound, Canada 1 arc-second Coastal Digital Elevation Model
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) for select U.S. coastal regions. These integrated... -
Federal
Main Hawaiian Islands Multibeam Bathymetry Synthesis: 50-m Bathymetry
National Oceanic and Atmospheric Administration, Department of Commerce —
A 50-m resolution gridded synthesis of all available bathymetry (ocean depth) data for the main Hawaiian Islands, including ship-borne multibeam sonar surveys, from...
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