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Old 03-13-2013, 05:34 PM   #27 (permalink)
NeilBlanchard
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Antarctica seen naked for the first time!


(click on image for link)

Quote:
From this work, some key findings:

The volume of ice in Antarctica is 4.6% greater than previously thought.
The mean bed depth of Antarctica, at 95 metres, is 60 m lower than estimated.
The volume of ice that is grounded with a bed below sea level is 23% greater than originally thought meaning there is a larger volume of ice that is susceptible to rapid melting. The ice that rests just below sea level is vulnerable to warming from ocean currents.
The total potential contribution to global sea level rise from Antarctica is 58 metres, similar to previous estimates but a much more accurate measurement.
The new deepest point, under Byrd Glacier, is around 400 metres deeper than the previously identified deepest point
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