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Old 03-18-2010, 08:11 AM   #1
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Default NASA finds shrimp dinner on ice beneath Antarctica

NASA finds shrimp dinner on ice beneath Antarctica
By Seth Borenstein, AP Science Writer
Mon Mar 15, 4:05 pm ET

NASA finds shrimp dinner on ice beneath Antarctica - Yahoo! News
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Quote:
WASHINGTON Ė In a surprising discovery about where higher life can thrive, scientists for the first time found a shrimp-like creature and a jellyfish frolicking beneath a massive Antarctic ice sheet.

Six hundred feet below the ice where no light shines, scientists had figured nothing much more than a few microbes could exist....
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Old 03-18-2010, 08:11 AM   #2
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Default Pine Island Glacier (PIG) Ice Shelf

Pine Island Glacier Ice Shelf

Pine Island Glacier (PIG) Ice Shelf
http://pigiceshelf.nasa.gov/
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This projectís official title is "Ocean-Ice Interaction in the Amundsen Sea: the Keystone to Ice-Sheet Stability". A real mouthful, but it captures the essence of what we intend to do, where we will do it and why we feel it is important to do it. Various other measurements have captured the West Antarctic ice sheet changing very rapidly in the region where it flows into the Amundsen Sea, one of the sectors of the Southern Ocean. The spatial pattern strongly suggests that the cause of this change is weaker ice shelves, the floating apron of ice that fringe the perimeter of the ice sheet. Our hypothesis is that warm water is melting the undersides of these ice shelves decreasing the "back pressure" from the ice shelves to help hold the ice sheet. Less backpressure means the ice sheet can flow faster. Faster flow-smaller ice sheet-higher sea levels-slow motion coastal flooding worldwide.

Satellite observations have been tremendously valuable in identifying these changes, but canít tell us whatís going on beneath the ice...
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