The ozone hole - Dynamical consequences as simulated with a three-dimensional model of the middle atmosphere

Details The ozone hole - Dynamical consequences as simulated with a three-dimensional model of the middle atmosphere The ozone hole - Dynamical consequences as simulated with a three-dimensional model of the middle atmosphere

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991angeo...9..661d&link_type=abstract

Annales Geophysicae (ISSN 0939-4176), vol. 9, Oct. 1991, p. 661-668. Research supported by Ministerium für Wissenschaft und Fors

Physics

2

Atmospheric General Circulation Models, Middle Atmosphere, Ozone Depletion, Three Dimensional Models, Antarctic Regions, Atmospheric Temperature, Wind Profiles, Zonal Flow (Meteorology)

Scientific paper

The dynamical effects caused by an ozone hole are simulated with a mechanistic three-dimensional global model of the middle atmosphere which covers a height range from 0-150 km. The model includes a radiation scheme which explicitly calculates the heating and cooling rates according to the emission and absorption of infrared and solar radiation at every grid point of the model. A positive-definite advection scheme is used for the numerical treatment of the transport of atmospheric tracers. The ozone hole is prescribed to exist in a simplified form at heights between 11 and 34 km over the polar cap. In the first experiment, the strength of the ozone hole is defined by observations made in Austral spring 1987. The model results clearly indicate that the dynamical response of the middle atmosphere to an ozone hole is not limited to the polar lower stratosphere.

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