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Greenland's glaciers could lose more ice than previously predicted

November 17, 2020. Summarized by summa-bot.

Greenland's largest glaciers could lose even more ice than previously predicted -- a development that could have huge consequences for the rate of global sea level rise, according to a new study published Tuesday.

(CNN)Greenland's largest glaciers could lose even more ice than previously predicted -- a development that could have huge consequences for the rate of global sea level rise, according to a new study published Tuesday.

Greenland's ice sheet is already melting rapidly, and that ice loss is one of the main contributors to rising sea levels.

With the planet -- and the Arctic in particular -- expected to warm much more this century, the scientists warn their findings show that ice loss on Greenland could exceed even the worst-case projections.

If the glaciers have already suffered large ice losses when atmospheric and ocean temperatures were lower -- and the planet is set to warm even more under a high-emissions future -- the scientists say their findings could mean models used to predict future ice loss in Greenland could be underestimating how much will be lost by the end of the century.

In the study, the scientists said that the possible underestimation of ice loss is likely "not limited to just these three glaciers," and that it was important that models capture rapid glacial retreat as a result of human-induced warming of our oceans and atmosphere "as they are the primary driver of mass loss. "

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