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ARCTAS Blogging

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Updates from the Arctic

ARCTAS researchers are keeping the rest of us up-to-date on their progress in a blog hosted by Discovery.com.

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Bon Voyage!

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The SO GasEx Experiment

Scientists blog about their extended voyage off the Antarctic coast as part of a mission to study carbon dioxide levels in the ocean and atmosphere.

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Top Story

    Satellites Show Arctic Literally on Thin Ice

    image showing 2009 Arctic sea ice maximum This data visualization from the AMSR-E instrument on the Aqua satellite show the maximum sea ice extent for 2008-09, which occurred on Feb. 28, 2009. Credit: NASA Goddard's Scientific Visualization Studio
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    The latest Arctic sea ice data from NASA and the National Snow and Ice Data Center show that the decade-long trend of shrinking sea ice cover is continuing. New evidence from satellite observations also shows that the ice cap is thinning as well.

    Arctic sea ice works like an air conditioner for the global climate system. Ice naturally cools air and water masses, plays a key role in ocean circulation, and reflects solar radiation back into space. In recent years, Arctic sea ice has been declining at a surprising rate.

    Scientists who track Arctic sea ice cover from space announced today that this winter had the fifth lowest maximum ice extent on record. The six lowest maximum events since satellite monitoring began in 1979 have all occurred in the past six years (2004-2009).

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