The poles are warming much faster than the rest of the globe, and the ground that the Arctic sea ice is losing over the years is the most convincing sign of this.
A study published Tuesday in the journal
Nature Reviews Earth & Environment
even predicts that the Arctic Ocean could experience a first month of September (the month with the lowest ice surface) without ice floes as early as this decade.
The extent of ice covering the approximately 14 million square kilometers of this polar ocean varies from year to year, but it is undoubtedly shrinking: according to the European Copernicus agency, 2.1 million square kilometers of ice sea disappeared between 1979 and 2021, more than 6 times the area of Germany.
“
Until the 1990s, the Arctic ice was on average 2 or 3
years old and was relatively thick, around 2 or 3
meters,”
explains glaciologist Gerhard Krinner, CNRS research director
.
Since the years 2010-2020, it has given way to…
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