Researchers use sonar to create accurate ocean-floor maps

03/22/2011 | SpatialSource.com.au (Australia)

Scientists are beginning an ocean-floor mapping project, using high-powered sonar to map the seabed between Chile and South Africa. Boat-mounted sonar offers a more accurate picture of the ocean floor than conventional satellite imaging, geophysicists say, but because of the technology's cost only about 7% of the seabed has been mapped so far using sonar.

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SpatialSource.com.au (Australia)

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