Summary

An episode of anomalous enhance ozone concentration in the mid-stratosphere above Davis, Antarctica (68.6S, 78.0E) during October 2005 has been linked to a filament of tropical ozone-rich air that was forced to high latitudes by a disturbance to the circulation of the polar vortex. From consideration of lidar and satellite measurements, it is concluded that the air in the filament was also associated with layered and enhanced aerosol concentration. Temperature and wind shears associated with the filament are likely to have been dynamically driven, and may have been a source of small-scale wave activity as well as promoting the sorting and enhancement of aerosols.

Authors:Klekociuk A.R. Published in: 2006 Category 1: Peer-reviewed literature Program area: Space and Atmospheric Sciences
Klekociuk A.R. (2006) Meridional transport of low-latitude stratospheric air to the Antarctic regio, BMRC Research Letters 4. 27-33;

Related projects

Lidar studies of atmospheric dynamics, composition and climatology KLEKOCIUK, Dr Andrew Australia (or home country), Davis
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