Antarctic Ozone Transport and Depletion in Austral Spring 2002

Journal of the Atmospheric Sciences | March 1, 2005| | Copyright

ABSTRACT

The ozone budget in the Antarctic region during the stratospheric warming in 2002 is studied, using ozone analyses from the Royal Netherlands Meteorological Institute (KNMI) ozone-transport and assimilation model called TM3DAM. The results show a strong poleward ozone mass flux during this event south of 45°S between about 20 and 40 hPa. which is about 5 times as large as the ozone flux in 2001 and 2000, and is dominated by eddy transport. Above 10 hPa. there exists a partially compensating equatorward ozone flux, which is dominated by the mean meridional circulation. During this ...

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