The ozone hole over Antarctica is one of the largest and deepest in recent years, and analyzes have shown that it has reached its maximum size, warned scientists from the Copernicus Atmosphere Monitoring Service.
The ozone layer in the upper part of the Earth's atmosphere absorbs most of the incoming ultraviolet radiation from the sun, which would otherwise harm life on our planet, writes the Independent.
According to Copernicus, stratospheric ozone concentrations have dropped to "almost zero" over Antarctica at an altitude of about 20-25 km.
Experts from the Copernicus program explained that the driver of the expansion of the ozone hole this time was a strong and stable cold polar vortex, a constant area of low pressure, which is usually behind the edge of the large glacier Rosa, where temperatures can drop to minus 80 degrees Celsius.
They called on the international community to make greater efforts to ensure that states abide by the international agreement to phase out the use of ozone-depleting chemicals, such as chlorofluorocarbons (CFCs).
They pointed out that this ozone hole is without a doubt among the largest in the last 15 years. The depletion of the ozone layer over the Antarctic continent was first observed in 1985.
"There is a lot of variability in how ozone holes develop each year. The 2020 ozone hole is similar to the 2018 one, which was quite large, but this one is definitely one of the biggest in the last fifteen years," Vincent-Henry said. Peuch, head of the Copernicus Atmospheric Surveillance Service.
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