Thursday, July 26, 2012

Greenland Is Melting

Yowza.

Greenland ice, it seems, can vanish in a flash, with new satellite images showing that over just a few days this month nearly all of the veneer of surface ice atop the island's massive ice sheet had thawed.

That's a record for the largest area of surface melt on Greenland in more than 30 years of satellite observations, according to NASA and university scientists.

The images, snapped by three satellites, showed that about 40 percent of the ice sheet had thawed at or near the surface on July 8; just days later, on July 12, images showed a dramatic increase in melting with thawing across 97 percent of the ice sheet surface.

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