News of the WeekATMOSPHERIC CHEMISTRY

Deep Chill Triggers Record Ozone Hole

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Science  16 Oct 1998:
Vol. 282, Issue 5388, pp. 391
DOI: 10.1126/science.282.5388.391a

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Summary

This year's Antarctic ozone hole is almost as severe as any seen before, and it stretches over an area larger than North America, a new record. Unprecedented stratospheric cold is driving the extreme ozone destruction, say researchers, adding that some of the high-altitude chill may be a counterintuitive effect of the accumulating greenhouse gases that seem to be warming the lower atmosphere.