The sun shines through a piece of ice on the Arctic Ocean Sept. 1, 2009.
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The sun shines through a piece of ice on the Arctic Ocean Sept. 1, 2009.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Sept. 1, 2009.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Sept. 1, 2009.
The sun dips below the horizon Sept. 1, 2009.
The sun dips below the horizon Sept. 1, 2009.
Frost forms on a stantion aboard the Coast Guard Cutter Healy as the ship operates in the western portion of the Arctic Ocean Sep. 1, 2009.
Frost forms on a stantion aboard the Coast Guard Cutter Healy as the ship operates in the western portion of the Arctic Ocean Sep. 1, 2009.
The sun shines through the bullnose of the Coast Guard Cutter Healy on the Arctic Ocean Sept. 1, 2009.
The sun shines through the bullnose of the Coast Guard Cutter Healy on the Arctic Ocean Sept. 1, 2009.
The sun dips below the horizon Sept. 1, 2009.
The sun dips below the horizon Sept. 1, 2009.
The sky over the Arctic ocean turns orange just before the sun dips below the horizon Sept. 1, 2009.
The sky over the Arctic ocean turns orange just before the sun dips below the horizon Sept. 1, 2009.
The sun shines through a piece of ice on the Arctic Ocean Sept. 1, 2009.
The sun shines through a piece of ice on the Arctic Ocean Sept. 1, 2009.
Jon Evans (GaWSC) making a bridge board streamflow measurement at 02207335 Yellow River at Gees Mill Road, near Milstead, GA.
Jon Evans (GaWSC) making a bridge board streamflow measurement at 02207335 Yellow River at Gees Mill Road, near Milstead, GA.
The sun dips below the horizon Sept. 1, 2009.
The sun dips below the horizon Sept. 1, 2009.
Coast Guard Cutter Healy breaks ice ahead of the Canadian Coast Guard Ship Louis S. St-Laurent Sep. 1, 2009. The two ships are taking part in a multi-year, multi-agency Arctic survey that will help define the North American continental shelf.
Coast Guard Cutter Healy breaks ice ahead of the Canadian Coast Guard Ship Louis S. St-Laurent Sep. 1, 2009. The two ships are taking part in a multi-year, multi-agency Arctic survey that will help define the North American continental shelf.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Sept. 1, 2009.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Sept. 1, 2009.
This portion of the Arctic Ocean is almost completely covered by ice Sept. 1, 2009.
This portion of the Arctic Ocean is almost completely covered by ice Sept. 1, 2009.
Paul Ankcorn (GaWSC) inspecting the streamgage 02207120 Yellow River at GA 124, near Lithonia, GA.
Paul Ankcorn (GaWSC) inspecting the streamgage 02207120 Yellow River at GA 124, near Lithonia, GA.
A frozen flag on the bow of the Coast Guard Cutter Healy fails to flap as the ship breaks ice on the Arctic Ocean Sept. 1, 2009.
A frozen flag on the bow of the Coast Guard Cutter Healy fails to flap as the ship breaks ice on the Arctic Ocean Sept. 1, 2009.
The sun shines over the Arctic Ocean Sept. 1, 2009.
The sun shines over the Arctic Ocean Sept. 1, 2009.
A forest clear-cut in the Ouachita Mountains of Arkansas. Forestry land use often changes land cover by harvesting and replanting trees. Documenting these changes provide some of the critical information needed to understand regional and national carbon dynamics.
A forest clear-cut in the Ouachita Mountains of Arkansas. Forestry land use often changes land cover by harvesting and replanting trees. Documenting these changes provide some of the critical information needed to understand regional and national carbon dynamics.
Jeff Fox using a theodolite at the Boulder geomagnetic observatory.
Jeff Fox using a theodolite at the Boulder geomagnetic observatory.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Aug. 26, 2009.
Ice is pushed away from the hull of the Coast Guard Cutter Healy Aug. 26, 2009.