Subject matches "Arctic Ocean" or its children

Ice-Based Observatory (IBO) after successful deployment.

Ice buoy in place atop the Arctic ice.

Sunrise at Sachs Harbor on Banks Island.

Twin Otter Planes packed with ice buoys and other equipment.

Yellow ice buoys and other equipment in a staging area for plane loading.

Location of long-distance communications system deployment.

Under-ice acoustic communications system in the Arctic.

Group from expedition "North", Proshutinsky is standing 3rd from right.

Helicopter pilot Christopher Swannell transfers mooring gear to the field site.

A large melt pond amid the Arctic ice.

Sun shining over an Arctic melt pond.

Team of researchers on the ice in the Arctic.

"Pancake" sea ice visible in front of the bow of USCGC Healy underway.

Global map showing the track where Lauren Kipp measured seawater chemistry.

Nereid Under Ice (NUI) deployment operations.

Icebreaker Oden cruise track, Polar Discovery Expedition 2.

Arctic ice coverage maps 2000 and 2005.

Three undersea volcanoes located along the Gakkel Ridge.

Fine grained volcanic shards located on the Gakkel Ridge seafloor.

Glassy, granular fragments of volcanic rock from Gakkel Ridge seafloor.