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The natural world. Looking pretty for 3.5b years.

Animating Ice

Author: Hugh Bollinger/Tuesday, November 6, 2018/Categories: natural history, video, space science, environment, climate change

What would western Greenland look like without an ice cover? A new animation produced from radar data of the ice sheet, uncovered hidden canyons that would increase the flow of melt water from Greenland into the ocean.

According to a report from Jet Propulsion Laboratory and the University of California, canyons under western Greenland's ocean-feeding glaciers are deeper and longer than previously thought. If the ice cover was removed, they would increase the amount of water contribution to increasing sea levels. The lead investigator, Mathieu Morlighem, said: "The glaciers of Greenland are likely to retreat faster and farther inland than anticipated, and for much longer, according to this very different topography we have discovered.”

The results were published by Nature Geoscience.


Greenland's ice sheet contains nearly 700,000 cubic miles of ice and if it were all to melt, global sea level would rise nearly 25 feet. The animated radar-exposed canyons on the west coast is worth watching. The new JPL results should be of interest to any cities, regions, and people living along the Atlantic Ocean and elsewhere.



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