‘Unprecedented’ Greenland Surface Melt – Every 150 Years?
New York Times excerpt
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| Jesse Allen, NASA Earth Observatory; Nicolo E. DiGirolamo, SSAI and Cryospheric Sciences Laboratory Extent of surface melt over Greenland’s ice sheet on July 8, 2012 (left), and July 12, 2012 (right). Measurements from three satellites showed that on July 8, about 40 percent of the ice sheet had undergone thawing at or near the surface. In just a few days, the melting had dramatically accelerated and an estimated 97 percent of the ice sheet surface had thawed by July 12. |