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Glacial extent
Lines mark the retreat of ice from Illecillewaet Glacier, Glacier National Park.
CMI, Dan McCarthy, Brock U.
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Featured Article
Antarctic ice shelf rift: Pine Island Glacier
Watching the Birth of an Iceberg After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation... More »
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Featured News
Arctic sea ice: lowest extent for 2011
As the sun sets over the Arctic Ocean and the air and water cool, sea ice begins its annual freeze-up. Arctic sea ice appears to have reached its minimum extent for the... More »
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Featured Article
Earth's Changing Ice Cover
This article, written by Charles W. Schmidt, a freelance writer specializing in science, medicine and technology, appeared first in Environmental Health... More »
Recently Updated
Permafrost
Last Updated on 2012-08-21 at 22:44
A soil is considered permafrost if its temperature remains permanently below the melting point of water for at least two years. Such permafrost soil is ubiquitous in high... More »
Pacific Coastal Mountain icefields and tundra
Last Updated on 2012-08-21 at 22:15
The Pacific Coastal Mountain Icefields and Tundra ecoregion consists of a steep, very rugged range of mountains that stretches from the Kenai Penninsula along the Gulf of... More »
Glacier
Last Updated on 2012-07-16 at 21:16
Introduction to Glaciation
Various types of paleoclimatic evidence suggest that the climate of the Earth has varied over time.... More »
Antarctic ice shelf rift: Pine Island Glacier
Last Updated on 2012-05-21 at 12:12
Watching the Birth of an Iceberg
After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation... More »
Greenland glaciers and rising sea level
Last Updated on 2012-05-10 at 13:28
Researchers determine that although glaciers continue to increase in velocity,
the rate at which they can dump ice into the ocean is limited.
Analysis of Speed of... More »
Earth's Changing Ice Cover
Last Updated on 2012-04-05 at 13:23
This article, written by Charles W. Schmidt, a freelance writer specializing in science, medicine and technology, appeared first in Environmental Health... More »
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