Surprising link between ice and atmosphere

Measurements revealed that Greenland sank by about 6 mm (about one quarter of an inch) over the winter of 2010, and the researchers determined that half of the sinking (3 mm, or one eighth of an inch) was actually due to high air pressure above the ice, and the other half was due to ice accumulation.

via Surprising link between ice and atmosphere: GPS can now measure ice melt, change in Greenland over months rather than years.

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