Twenty-two years of Arctic ozone depletion observations and simulations. Is there a trend ?

Goutail, F.; Lefèvre, F.; Pazmiño, A.; Pommereau, J. P.; Chipperfield, M.; Feng, W.; Van Roozendael, M.; Eriksen, P.; Stebel, K.; Kivi, R.; Bognar, K.; Zhao, X.; Walker, K.; Strong, K.