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Body Force Circulations in a Compressible Atmosphere: Key Concepts

  • Timothy J. Dunkerton
Part of the Pageoph Topical Volumes book series (PTV)

Abstract

The body force circulation problem of Eliassen is extended to spherical geometry and a quasi-compressible atmosphere using the zonally symmetric tidal theory. The concept of body force circulation is generalized to include the effects of mechanical friction and Newtonian cooling. This viewpoint is conceptually advantageous when the circulation is driven by body forces against radiative relaxation. The resulting linear theory is qualitatively useful in middle atmosphere applications, including the equatorial momentum source for which an analytic solution has not been given previously. Further generalizations of the theory are possible by including dynamical and photochemical feedback effects.

Key words

Mean meridional circulation zonally symmetric tidal theory 

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Copyright information

© Springer Basel AG 1989

Authors and Affiliations

  • Timothy J. Dunkerton
    • 1
  1. 1.Northwest Research Associates, Inc.BellevueUSA

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