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4/26/2010
A team led by University of Georgia reserchers has discovered a previously unreported chemical mechanism for the production of nitrous oxide, a greenhouse gas, in a brine pool. The discovery could also help understand similar brine pools on Mars.
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3/29/2010
For the past 50 years, scientists have measured levels of carbon-dioxide in the atmosphere at the South Pole, creating the longest such record in existence. Read about monitoring global climate at the end of the Earth.
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3/18/2010
NASA's Operation IceBridge mission, the largest airborne survey ever flown of Earth's polar ice, kicks off its second year of study when NASA aircraft arrive in Greenland March 22.
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3/16/2010
NOAA’s Pacific Marine Environmental Laboratory has launched a new Web site to help those interested in the Arctic learn more about the long-term effects of the loss of Arctic summer sea ice.
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3/16/2010
At a level of 182 meters (600 feet) below Antarctica's Ross Ice Shelf, a video camera designed to observe the conditions under the ice recorded a shrimp-like creature more than 20 kilometers (12.5 miles) from open water. Watch the video.
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3/5/2010
Findings published in the March 5 edition of the journal Science, show that the permafrost under the East Siberian Arctic Shelf is perforated and is leaking large amounts of methane, a greenhouse gas, into the atmosphere.
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3/3/2010
Scientists have found evidence of hydrothermal vents on the seafloor near Antarctica, formerly a blank spot on the map to researchers eager to learn more about seafloor formation and the life forms drawn to these extreme environments.
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2/6/2010
The delicate balance of life in the waters that surround Antarctica is especially susceptible to the effects of ocean acidification and the impact on the marine life there will serve as a bellwether for global climate-change, says Jim McClintock.
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2/6/2010
Winds reach more than 70 mph and waves tower over three stories high in this narrow passage on the doorstep of the Arctic Circle, where waters flow southward from the Arctic Ocean to the North Atlantic.
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1/12/2010
In a vivid example of how a small geographic feature may have far-reaching impacts on climate, new research shows that water levels in the Bering Strait helped drive global climate patterns during ice-age episodes over 100,000 years.
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