Long-lived eddies in the laboratory and in the atmospheres of Jupiter and Saturn

Details Long-lived eddies in the laboratory and in the atmospheres of Jupiter and Saturn Long-lived eddies in the laboratory and in the atmospheres of Jupiter and Saturn

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983natur.302..126r&link_type=abstract

Nature, vol. 302, Mar. 10, 1983, p. 126-129.

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26

Jupiter Red Spot, Planetary Atmospheres, Saturn Atmosphere, Vortices, Anticyclones, Convective Heat Transfer, Long Term Effects, Numerical Flow Visualization, Rotating Fluids, Planets, Jupiter, Saturn, Atmosphere, Experiments, Eddies, Structure, Dynamics, Convection, Cooling, Heating, Thermal Effects, Simulations, Baroclinity, Diagrams, Great Red Spot, Temperature, Pressure, Flows

Scientific paper

The Great Red Spot (GRS), the three White Ovals, and other long-lived anticyclonic eddies in Jupiter's atmosphere might be dynamically similar to the closed, stable baroclinic eddies that were first discovered in laboratory studies of thermal convection in a rotating fluid subject to internal heating and sidewall cooling. Results of new laboratory and numerical experiments on the structure, energetics and stability of such eddies are outlined, which strongly support the suggestion that these laboratory and atmospheric flows (including similar eddies found on Saturn) might all be manifestations of the same dynamical process, 'sloping' or 'slantwise' convection. Included in the numerical experiments are cases with internal cooling and sidewall heating, in which stable baroclinic eddies with a cyclonic peripheral jet stream at upper levels surrounding a region of slow descent have been produced and studied. It is suggested that these cyclonic eddies are dynamically similar to the 'barges' observed in Jupiter's Tropical and Temperate Belts.

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