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  • RGB color image of nominal 3.7 Km bathymetry and terrestrial elevation values. RGB is 3 band spatial imagery forced into the Red:Green:Blue spectrum. The ETOPO2_2-5D image data layer is comprised of 5400x10800 derivative raster bathymetry features derived based on 0.03333_ data originally from ETOPO2.

  • Grayscale image of nominal 3.7 Km bathymetry and terrestrial elevation values. The ETOPO2_SHD image data layer is comprised of 5400x10800 derivative raster hillshade | bathymetry features derived based on 0.03333_ data originally from ETOPO2.

  • ETOPO2 2 arc-minute Hill-Bathymetric Shading. ETOPO2 is a 2 minute Elevation Topographic DEM including bathymetry. The ETOPO2_HSHD grid data layer is comprised of 5400x10800 derivative raster hillshade | bathymetry features derived based on 0.03333_ data originally from ETOPO2. The layer provides nominal analytical/mapping at 1:12 500 000. Acronyms and Abbreviations: ETOPO2 - A 2 minute Elevation Topographic DEM including bathymetry; DEM - Digital Elevation Model.

  • ETOPO2 2 arc-minute Terrain and Bathymetric DEM. The ETOPO2 grid data layer is comprised of 5400x10800 derivative raster bathymetry features derived based on 0.03333_ data originally from ETOPO2. Acronyms and Abbreviations: ETOPO2 - A 2 minute Elevation Topographic DEM including bathymetry DEM - Digital Elevation Model

  • A Shaded relief image based on the first globally available elevation model. The AFRICA_BACKGROUND image data layer is comprised of 973x985 derivative raster bathymetry and elevation features derived based on 0.08333_ data originally from ETOPO5.

  • RGB color image of nominal 3.7 Km bathymetry and terrestrial elevation values. RGB is 3 band spatial imagery forced into the Red:Green:Blue spectrum. The ETOPO2_RGB image data layer is comprised of 5400x10800 derivative raster bathymetry features derived based on 0.03333_ data originally from ETOPO2.