Physics
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....9412003c&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Sept. 1, 1989, p. 12003-12008. Research supported by NASA.
Physics
20
Atmospheric Circulation, Convection Currents, Jupiter Atmosphere, Planetary Magnetic Fields, Planetary Magnetospheres, Plasma Dynamics, Atmospheric Models, Magnetopause, Magnetosheath, Jupiter, Magnetosphere, Convection, Models, Corotation, Wind, Plasma, Spacecraft Observations, Voyager 2 Mission, Composition, Plasma Sheet, Energy, Density, Charged Particles, Symmetry, Structure, Dynamics, Magnetopause, Magnetosheath, Nightside, Solar Wind, Diagrams, Flow
Scientific paper
Voyager observations of Jupiter's magnetosphere are compared with the planetary wind model in which corotation must break down outside some Alfven critical radius and a centrifugally driven wind outflow must develop. It is found that the model does not agree with the observations. A new global convection model for the Jovian magnetosphere is proposed, based on models of quasi-stationary plasma convection in the earth's magnetosphere. The model predicts a substantial dawn-dusk asymmetry in the structure, dynamics, and plasma composition of the magnetopause and magnetosheath. The model also predicts a region of cross-tail flow in the nightside plasma sheet containing a substantial admixture of solar wind plasma.
Cheng Andrew F.
Krimigis Stamatios M.
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