Experts of the European program for remote sensing of the Earth "Copernicus" summed up the results of observations of
Ice area change in Antarctica in January 2023 from 1991–2020 averages. Image: Copernicus Climate Change Service/ECMWF
The melting of sea ice does not have a noticeableimpact on sea levels, because the ice is already in the ocean water, experts say. Nevertheless, the reduction in the area of ice cover stimulates further warming. White sea ice reflects up to 90% of solar energy back into space, while the open dark sea, on the contrary, absorbs most of the radiation.
The researchers also noted that in the Arcticin the region where it is now winter, sea ice extent in January was less than the long-term average. But the difference here is not so significant - 4% less than the average, but even this is the third minimum result during the observation period.
Temperature deviation in January 2023 from the 1991–2020 averages. Image: Copernicus Climate Change Service/ECMWF
In addition, climatologists note hightemperatures in January, which were recorded almost throughout Europe, including a number of temperature highs on New Year's Eve. Temperatures were generally above average in much of Europe, the US, Canada and Mexico, with below-normal temperatures recorded in Siberia, Afghanistan, Pakistan and Australia.
These temperature extremes remain a tangible sign of the impacts of climate change on many regions and can be seen as an additional warning of future extreme events.
Samantha Burgess, Associate Director of the Copernicus Program
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