2023-10-18 17:27:21
A section of the Greenland ice sheet, in March 2017. MARIO TAMA / Getty Images via AFP
DECRYPTION – A new publication in the scientific journal Nature studies the potential evolution of Greenland’s ice for centuries and millennia to come.
The ice sheet covering Greenland contains enough frozen fresh water to raise the level of the world’s oceans by 7 meters. In twenty years, it has already lost 4,700 billion tonnes due to global warming. Enough to cover the United States with half a meter of water. But how far will this cast iron go? A new publication in the scientific journal Nature studies the potential evolution of Greenland’s ice for centuries and millennia to come.
The international team of researchers led by Nils Bochow, from the department of mathematics and statistics at the Arctic University of Norway, started from an observation: the melting of the island’s ice, the main factor in rising water levels on land , has already caused an increase of 25 millimeters during the 20th century. And this increase could go up to 18 centimeters more by the end of the century if we do nothing to reduce our greenhouse gas emissions, according to estimates from…
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