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Kayaking scientists on melt ravine, Petermann Glacier.

The Ice Island that Ate Manhattan

As Petermann Glacier flows down from the Greenland ice-sheet it forms a tongue of ice floating on the sea water, split by ravines formed as it melts. This island of ice is larger in surface area than Manhattan Island, a stretch of ice that could swallow a large city. What better way to explore that city and show its true scale than by kayak, even better if the kayak becomes an instrument for scanning its depths. Manhattan doesn’t just serve as a comparison of size, like many other parts of the world’s coastlines it is also low lying which makes it vulnerable to sea level rise. The ice calved from Greenland’s outlet glaciers makes a significant contribution to sea level rise worldwide.