Scientists "See" Ocean Floor via Sonar

Cameras and sonar technology are helping experts create a new map of the little-known seafloor near the U.S. Virgin Islands. Video.

Scientists use cameras and sonar near the U.S. Virgin Islands to 'see' the sea floor and find out how fish and other sea life use the underwater habitats, which include coral reefs and sea grasses.

© 2011 National Geographic; field producing and videography by Fritz Faerber

For the most part, we don’t know what lies beneath the surface of our oceans.

Most of the waters and ocean floor remain unexplored.

But with new technology, projects are underway to find out what lies in the deep.

Since 2004, a team of scientists has been cruising the Caribbean surrounding Puerto Rico, as well as St. Thomas and St. John islands in the U.S. Virgin Islands to create a comprehensive map of the seabed.

NOAA – The National Oceanic

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