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Paleo Slide Set: Polar Ice Cores
3-D image of Vostok region
With an average annual temperature of -55 degrees C, Vostok Station is one of the most frigid places on Earth. Antarctic topography is dominated by enormous ice domes seated atop bedrock. This 3-D image shows Vostok and sites where shallower cores have been drilled. Vostok is located 3490 m above sea level at 78oS, 107oE. With accumulation rates significantly lower than in Greenland, ice at Vostok has piled up much more slowly. Indeed, ice at the bedrock contact over 3500 m below Vostok Station is estimated to be over 500,000 years old.

Photo Credits:
Todd Sowers
Lamont-Doherty Earth Observatory (LDEO), Columbia University, Palisades, New York.
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Last Modified: 12 October 2001

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