Physics
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30g..21g&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 7, pp. 21-1, CiteID 1368, DOI 10.1029/2002GL016494
Physics
1
Atmospheric Composition And Structure: Middle Atmosphere-Constituent Transport And Chemistry (3334), Atmospheric Composition And Structure: Evolution Of The Atmosphere, Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics (0341, 0342)
Scientific paper
A 3-D off-line transport model is used to examine the breakup of the Antarctic ozone hole in late November and early December 2000. The use of a transport model enables an analysis of the vortex breakup that is not possible from the use of ozonesonde observations alone. By initializing ozone mixing ratio on 1 September 2000, and using parameterized ozone production and loss rates, the evolution of the Antarctic ozone hole is simulated. The model simulation shows that during late November and early December 2000, the Antarctic ozone hole splits into two sections, with low-ozone air subsequently transported over New Zealand and south-eastern Australia. Modeled ozone values agree well with ozonesonde profiles, confirming the role of horizontal transport in the dilution of mid-latitude ozone.
Grainger Simon
Karoly David J.
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