Two-dimensional modelling of the Antarctic lower stratosphere

Details Two-dimensional modelling of the Antarctic lower stratosphere Two-dimensional modelling of the Antarctic lower stratosphere

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988georl..15..875c&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 15, Aug. 1988, p. 875-878. Research supported by the Department of the Envir

Physics

23

Antarctic Regions, Atmospheric Models, Lower Atmosphere, Ozone Depletion, Stratosphere, Atmospheric Chemistry, Atmospheric Temperature, Spring (Season), Winter

Scientific paper

A two-dimensional radiative-dynamical-chemical model was used to study some aspects of Antarctic ozone depletion. While many aspects of the preconditioning of the vortex are reproduced by simply reducing the horizontal diffusion during the Antarctic winter and early spring, significant problems remain. The lack of knowledge of the meridional circulation throughout the year represents a serious limitation. When a springtime ozone depletion is imposed on the model in the Antarctic, the effect of the depletion is confined mainly to high southern latitudes. The consequent changes in radiative transfer lead to lower temperatures in the lower polar atmosphere during spring, with some smaller increases in temperature above about 20mb.

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