Expedition Explores the Arctic Sea Floor

Undersea vehicle i i

The Puma, or "plume mapper," autonomous underwater vehicle uses sonar, lasers and chemical sensors to search wide areas near the ocean floor. Hanumant Singh/Woods Hole Oceanographic Institution hide caption

itoggle caption Hanumant Singh/Woods Hole Oceanographic Institution
Undersea vehicle

The Puma, or "plume mapper," autonomous underwater vehicle uses sonar, lasers and chemical sensors to search wide areas near the ocean floor.

Hanumant Singh/Woods Hole Oceanographic Institution

A team of scientists is heading toward the Gakkel Ridge in the Arctic Ocean, hunting for hydrothermal vents on the Arctic sea floor. On a six-week voyage, the researchers will use two new autonomous undersea vehicles to try to explore the world under the Arctic ice.

Jeffrey Seewald, associate scientist, Department of Marine Chemistry & Geochemistry, Woods Hole Oceanographic Institution

Rob Reves-Sohn, chief scientist, Arctic Seafloor Expedition 2007; Associate Scientist, Geology & Geophysics Department, Woods Hole Oceanographic Institution

Tim Shank, lead biologist, Arctic Seafloor Expedition 2007; Associate Scientist, Biology Department, Woods Hole Oceanographic Institution

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