Early unusual ozone loss during the Arctic winter 2002 / 2003 compared to other winters

  title={Early unusual ozone loss during the Arctic winter 2002 / 2003 compared to other winters},
  author={Florence Goutail and J. P. Pommereau and Franck Lef{\`e}vre and Michel Van Roozendael and Signe Bech Andersen and B.-A. K{\aa}stad H\oiskar and Valery Dorokhov and E. Kyr and Martyn P. Chipperfield and Wuhu Feng},
Ozone loss during the winter 2002/2003 has been evaluated from comparisons between total ozone reported by the SAOZ network and simulated in passive mode by both REPROBUS and SLIMCAT. Despite the fact that the two models have a different approach to calculate the descent inside vortex, both evaluations provide similar results 18 ±4% using REPROBUS and 20 ±4% using SLIMCAT and show that the loss started around mid-December, at least ten to twenty days earlier than during any of the previous… CONTINUE READING
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