Thermal structure and dynamics of the Jovian atmosphere. I - The Great Red SPOT

Details Thermal structure and dynamics of the Jovian atmosphere. I - The Great Red SPOT Thermal structure and dynamics of the Jovian atmosphere. I - The Great Red SPOT

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.8759f&link_type=abstract

Journal of Geophysical Research, vol. 86, Sept. 30, 1981, p. 8759-8767.

Physics

59

Atmospheric Circulation, Atmospheric Temperature, Infrared Spectroscopy, Jupiter Atmosphere, Jupiter Red Spot, Voyager 1 Spacecraft, Anticyclones, Atmospheric Physics, Atmospheric Pressure, Latent Heat, Thermodynamics, Tropopause, Vorticity, Wind Measurement, Jupiter, Atmosphere, Thermal Properties, Structure, Dynamics, Pressure, Great Red Spot, Temperatures, Winds, Iris, Tropopause, Vortex, Imagery, Stratosphere, Infrared Interferometer Spectrometer, Emissions, Voyager 1, Circulation, Models, Observations,

Scientific paper

Temperatures and thermal winds over the Great Red Spot (GRS) are derived from Voyager IRIS data for atmospheric pressures between 3 and 500 mbar. A cold tropopause implies a decrease in anticyclonic vorticity with height above 500 mbar through the lower stratosphere. Observations at 5 microns indicate that there is little emission from the GRS itself, although there is enhanced emission from a ring around it. The behavior of the tropopause and 5 micron temperatures are considered to be results of circulation which rises within the GRS and subsides in the area around it. Results are discussed in the context of several theoretical models of the GRS, and latent heat release as an energy source is considered. Dynamical scalings based on an axisymmetric frictionally controlled vortex indicate that the large-scale dynamics of the GRS are linear, as opposed to those of a tropical cyclone which are nonlinear.

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