Baroclinic Model of Jupiter’s Great Red Spot

This paper proposes a quasi-geostrophic baroclinic model of Jupiter’s Great Red Spot (GRS) as a localized eddy formation in a continuously stratified rotating atmosphere under the action of a horizontal shear flow in the f -plane approximation. On the basis of the theory of ellipsoidal vortices, an...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2023-06, Vol.59 (3), p.243-254
Main Authors: Suetin, B. P., Zhmur, V. V., Chkhetiani, O. G.
Format: Article
Language:English
Subjects:
Approximation
Climatology
Earth and Environmental Science
Earth Sciences
Eddy formation
Fluid flow
Geophysics/Geodesy
Jupiter
Jupiter red spot
Potential vorticity
Shear flow
Space missions
Vortices
Vorticity
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Summary:This paper proposes a quasi-geostrophic baroclinic model of Jupiter’s Great Red Spot (GRS) as a localized eddy formation in a continuously stratified rotating atmosphere under the action of a horizontal shear flow in the f -plane approximation. On the basis of the theory of ellipsoidal vortices, an analytical relationship is obtained between the geometric dimensions of the vortex, the potential vorticity of the vortex core, and the characteristics of the background flow. Measurements of a number of characteristics of both the vortex and the background flow in the Voyager 1 (1979), Galileo (1996), and Cassini (2000) missions were used. Based on the theory, the vertical size of the GRS was calculated, which turned out to be close to the same characteristic measured in the Voyager 1 (1979) mission.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433823030088