Greenland, which has been prominently in the news in recent days, hosts a vast ice sheet. If it melts, it will become one of the largest contributors to global sea-level rise. Under a high-emissions scenario, the Greenland Ice Sheet is expected to largely disappear over time, with far-reaching consequences. This is the conclusion of a new study by Chloë Paice and colleagues, published in The Cryosphere. The Greenland Ice Sheet contains enough ice to raise global sea levels by approximately 7.4 meters and has been losing mass at an accelerating rate since the 1990s. Roughly half of this loss is due to surface melt, while the other half results from ice calving where the ice sheet meets the ocean.
Amplifying feedbacks could drive Greenland ice sheet to near-complete disappearance
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