American scientists from the National Aeronautics and Space Administration (NASA) noted that the ozone layer over the North Pole has recovered at a record level. The research was published in the scientific journal magazine Geophysical Research Letters (GRL).
According to experts, in March 2024, stratospheric ozone concentration over the Arctic reached its highest levels since the 1970s.
In March of the year, average ozone peaked at 477 Dobson units (DU), 6 DU above the previous record in March 1979 and 60 DU above the average for the study period (1979 to 2023). Daily record highs were observed in the Arctic for about half of the month; The highest level of 499 DU was observed on March 20.
Above-average ozone levels continued into September.
Scientists noted that the repair of the ozone layer is associated with climate change processes. Increasing temperature vortices in the atmosphere in winter slowed the polar vortex around the North Pole, causing air from mid-latitudes to bring more ozone than normal to the region.
While carbon dioxide emissions are predicted to increase in the coming years, researchers believe ozone will continue to flow into the Arctic.
Previous scientists I learnedIt turns out that an atmospheric anomaly is delaying the opening of the ozone hole in 2024.
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Source: Gazeta
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