TY - JOUR A1 - Tarasick, D. W. A1 - Bottenheim, J. W. T1 - Surface ozone depletion episodes in the Arctic and Antarctic from historical ozonesonde records JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2 IS - 2 SP - 339 EP - 356 Y1 - 2002/04/03 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/2/339/2002/ L1 - http://www.atmos-chem-phys-discuss.net/2/339/2002/acpd-2-339-2002.pdf ER -