Science
2020 Antarctic ozone hole among largest, deepest in recent years – EarthSky
This year’s ozone hole covers most of the Antarctic continent and is among the largest and deepest in recent years.
This year, persistent cold temperatures and strong circumpolar winds (also known as the polar vortex) helped contribute to the formation of a large and deep Antarctic ozone hole, just a year after scientists recorded that 2019’s was the smallest since the ozone hole was discovered in 1982, according to a report by NOAA and NASA scientists on October 30, 2020.
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The annual Antarctic ozone hole – the 12th-largest…
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