Sentences with phrase «severe ozone layer depletion»
Since the 1980s the most severe ozone layer depletion has been regularly observed over Antarctica during spring, when ozone levels drop by over 95 % and UV radiation reaching Earth's surface increases substantially.
https://www.esrl.noaa.gov/ Not exact matches
The ozone hole is a severe depletion of the ozone layer above Antarctica that was first detected in the 1980s.
The ozone hole is a severe depletion of Earth's protective ozone layer which takes place each spring over Antarctica.