Possible fluid dynamical interpretation of some reported features in the Jovian atmosphere

Details Possible fluid dynamical interpretation of some reported features in the Jovian atmosphere Possible fluid dynamical interpretation of some reported features in the Jovian atmosphere

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980sci...210.1350m&link_type=abstract

Science, vol. 210, Dec. 19, 1980, p. 1350, 1351.

Physics

Fluid Dynamics

4

Atmospheric Circulation, Atmospheric Turbulence, Fluid Dynamics, Jupiter Atmosphere, Solitary Waves, Anticyclones, Flow Distribution, Jupiter Red Spot, Korteweg-Devries Equation, Velocity Distribution, Voyager 1 Spacecraft, Zonal Flow (Meteorology)

Scientific paper

A fluid dynamical interpretation is presented of the two major types of disturbance found in the southern hemisphere of Jupiter by the Voyager 1 imaging data. The observed features always occur together, and consist of a compact elliptically shaped formation having an anticyclonic flow which is poleward of a pair of more elongated cyclonic structures, as in the Great Red Spot and the white ovals. It is noted that the anticyclonic features at 41 deg S may be described by the cnoidal wave solutions to the appropriate nonlinear evolution equation, and that flow patterns derived in the vicinity of the Great Red Spot and white ovals are strikingly similar to those obtained for the flow around a solitary wave of the type than can exist in a zonal flow such as that found in the Jupiter atmosphere. Results of computations in terms of solitary wave theory of flow fields in the atmospheric structure and zonal velocity profiles determined from Voyager infrared spectroscopy and radiometry data are then presented which show that the pattern must be a singular solitary wave mode, the east-west structure of which is best described by the Korteweg-de-Vries equation

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