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C. Adams, K. Strong, X. Zhao, M. R. Bassford, M. P. Chipperfield, W. Daffer, J. R. Drummond, E. E. Farahani, W. Feng, A. Fraser, F. Goutail, G. Manney, C. A. McLinden, A. Pazmino, M. Rex and Kaley A. Walker Severe 2011 ozone depletion assessed with 11 years of ozone, NO2, and OClO measurements at 80°N Geophysical Research Letters 39

Article first published online: 13 MAR 2012 | DOI: 10.1029/2011GL050478

Key Points

  • Unprecedented low ozone and NO2 columns were observed in 2011
  • Low ozone and NO2 columns are attributed to dynamics as well as chemistry
  • 47% maximum column ozone loss observed, the largest loss in the 11-year record

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