North America, topographic map. Highlands and lowlands of the continents are also shown, as ridges and flat areas. South America (bottom right) and th
North America, topographic map. Highlands and lowlands of the continents are also shown, as ridges and flat areas. South America (bottom right) and the Arctic (top) are also seen, along with the Atlantic Ocean (right) and the Pacific Ocean (left). The seabed depth varies from shallow (light blue) on the continental shelves, to deep ocean basins (dark blue). Topographic and bathymetric data is usually gathered by using aerial and satellite imagery combined with radar and sonar mapping. The satellites in this case were NOAA's POES satellites.
Size: 4193px × 4193px
Photo credit: © PLANETARY VISIONS LTD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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