Walking on Greenland’s ice sheet


The Greenland ice sheet is a vast body of ice covering 1,710,000 square kilometres roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The mean altitude of the ice is 2,135 metres (7,005 ft).[1] The thickness is generally more than 2 km (1.2 mi). Some scientists predict that climate change may be near a “tipping point” where the entire ice sheet will melt in about 2,000 years.[2] If the entire 2,850,000 cubic kilometres (684,000 cu mi) of ice were to melt, it would lead to a global sea level rise of 7.2 m (24 ft).[3]

The ice in the current ice sheet is as old as 110,000 years.

Positioned in the Arctic, the Greenland ice sheet is especially vulnerable to climate change. Arctic climate is now rapidly warming and much larger Arctic shrinkage changes are projected.[6] The Greenland Ice Sheet has experienced record melting in recent years and is likely to contribute substantially to sea level rise as well as to possible changes in ocean circulation in the future.

The feeling of being there is incredible as the vast scale of the ice cap puts the world in its proper perspective. 


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