New discovery from Antarctica's 'ghost mountains'

1:41 PM Sun 6 Mar 2011 GMT

'AGAP team' British Antarctic Survey &copy Click Here to view large photo

The discovery of numerous large ice structures within Antarctica?s Dome A region, the site of the buried ?ghost mountains?, reveals new understanding about ice sheet growth and movement that is essential for predicting how the ice sheet may change as the Earth?s climate warms. Reporting this week in the journal Science a six-nation group of scientists studying the Gamburtsev Subglacial Mountains describe how these remarkable structures form. Typically ice sheets grow when layers of snow are deposited on the surface, but the researchers found startling new evidence of growth at the base. Widespread re-freezing of large volumes of water to ...

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by British Antarctic Survey & Lamont-Doherty

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New discovery from Antarctica's 'ghost mountains'

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