On the interaction between a radiatively damped planetary wave and the zonally averaged circulation in the middle atmosphere

Details On the interaction between a radiatively damped planetary wave and the zonally averaged circulation in the middle atmosphere On the interaction between a radiatively damped planetary wave and the zonally averaged circulation in the middle atmosphere

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980papge.118..266b&link_type=abstract

Pure and Applied Geophysics, vol. 118, no. 1-2, 1980, p. 266-283.

Physics

Geophysics

1

Atmospheric Circulation, Damping, Middle Atmosphere, Planetary Waves, Wave Interaction, Equations Of Motion, Flow Characteristics, Internal Waves, Ozone, Radioactivity, Solar Flux, Steady State, Ultraviolet Radiation, Vortices

Scientific paper

The interaction between a radiatively damped planetary wave and the zonally averaged circulation in the middle atmosphere for a steady-state situation in the mid-latitudes has been analytically studied under the assumptions of quasi-geostrophic motions of Type 2. The wave forcing of the mean flow is evaluated for an idealized situation in which the perturbation equations can be solved analytically, and the dependence of the forcing on the superrotation and the radiative damping is examined. It is shown that the eddy fluxes and forcing functions depend critically on the strength of the mean flow and of the radiative damping, and that the damping coefficient depends on the ozone concentration and the intensity of the solar ultraviolet flux. Hence, the results imply that changes in these quantities can greatly modify the wave-mean flow interaction in the middle atmosphere.

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