What’s a bathymetric map?

A bathymetric map measures the depth of water in an underwater area and can be used for oceans, seas, and lakes. It uses color and contour lines to represent depth and can be created using sonar. Bathymetric maps are useful for marine safety, underwater missions, and paleobathymetry. The General Bathymetric Map of the Oceans (GEBCO) […]

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