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MULTIMEDIA: Polar Discovery from Woods Hole Oceanographic Institution

CTD Deployment on the Gakkel Ridge in the Arctic

Jun 3, 2008 | Run Time: 01:11

Susan Humphris describes where CTDs (Conductivity-Temperature-Depth oceanographic instruments) and the autonomous vehicle Puma have been deployed on the Gakkel Ridge to locate volcanoes and hydrothermal vents.

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