The Arctic is warming four times faster than the rest of the planet
The Arctic is warming at a rate of 0.75 degrees Celsius per decade, according to a new study published Thursday in the journal Communications Earth & Environment. from the nature collection.
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Rapid and alarming rise. The Arctic has warmed nearly four times faster than the rest of the world over the past 40 years. These conclusions are taken from a new study published Thursday, August 11th in the journal Earth and Environment Communications From the Nature collection, it raises concerns that climate models for the poles are underestimated, as warming dramatically affects sea level rise.
>> We explain why some regions of the Arctic are warming faster than the rest of the Earth
In the new study, the researchers, based in Norway and Finland, analyzed four sets of temperature data collected across the entire Arctic Circle by satellite since 1979 (the year the satellite data first became available). They concluded that the Arctic has warmed at a rate of 0.75 degrees Celsius per decade, four times faster than the rest of the planet.
In 2019, the United Nations Climate Change Committee (IPCC) estimated that the Arctic is warming “More than double the global average”, under the influence of a region-specific operation. This phenomenon is called “Arctic amplification”It occurs when sea ice and snow, which naturally reflect the sun’s heat, melt into seawater that absorbs more solar radiation and heats up.
However, the study found significant local differences in the rate of warming within the Arctic Circle. Par exemple, le secteur eurasien de l’océan Arctique, près de l’archipel norvégien du Svalbard et celui russe de Nouvelle-Zemble, s’est réchauffé de 1,25 °C par décennie, soit environ sept foisle plus vite que From the world.
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