FIG. 69. (a) Total ozone (black curve) and
temperature (red curve) data from 68 ozonesondes flown at the South Pole in 1999 and (b-d)
representative ozonesonde profiles from (b) the pre-ozone hole period on 28 July, (c) the
ozone hole period on 29 September, and (d) the post-ozone hole period on 23 December.
(Analysis provided by CMDL.)