Hunga Tonga eruption likely to make next year's ozone hole larger

Nov 16, 2020
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The Antarctic ozone "hole" is seasonal and any winter ozone depletion is quickly restored back to its normal amount..about 300 Dobson units. The geographic size...the area covered, is limited to the wind-driven polar vortex and that has nothing to do with CFCs or the chlorine they contain.
 
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