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Paris, France – The last remaining Northern Greenland ice shelves bracing the region’s vast ice sheet have lost a third of their volume in the last four decades, researchers said on Tuesday, warning of the risk of “dramatic” sea level rise.
With continued global warming driven by fossil fuel pollution expected to further heat ocean waters, the ice shelves are “extremely vulnerable” to further retreat and even collapse, according to the study published in Nature Communications.They added that this is the area of Greenland with the greatest potential to raise ocean levels, possibly over centuries.
But the authors found that the glaciers have started to discharge ice in response to weakening ice shelves, which have been melting from below by warming oceans. Greenland’s northern glaciers have only started to destabilise in the last 20 years, meaning more ice has been lost than gained.
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