Physics
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984em%26p...30..245m&link_type=abstract
Earth, Moon, and Planets (ISSN 0167-9295), vol. 30, June 1984, p. 245-274.
Physics
8
Atmospheric Circulation, Jupiter Atmosphere, Planetary Atmospheres, Solar Planetary Interactions, Atmospheric Models, Geostrophic Wind, Parameterization, Wind Velocity
Scientific paper
The concept of a quasi-axisymmetric circulation is used to explore the global scale dynamics of planetary atmospheres. A numerical circulation model applicable to Jupiter is presented, and an analytical study is performed elucidating the conditions leading to differential rotation in an atmosphere which is convectively unstable. A linear system forced by solar differential heating is considered, with nonlinear effects arising from advection being represented in the form of eddy diffusion. An empirical, latitudinal spectrum of the observed zonal wind field on Jupiter is discussed. Numerical solutions are presented which reveal banded wind fields with alternating and equatorial zonal jets and a multicellular Ferrel-Thomson meridional circulation consistent with the observed cloud striations on Jupiter. The vertical derivatives are parameterized to construct a simplified one-layer model.
Chan Kwan-Leung
Harris Isadore
Mayr Hans G.
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