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| Description: Sidescan sonar – towed behind a ship Multibeam sonar Employs an array of sound sources and listening devices Obtains a profile of a narrow strip of seafloor Satellite altimeter – Measuring the shape of the ocean surface from space Picture Stats: Views: 166 Filesize: 106.13kB Height: 863 Width: 498 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39452 |