An electrodynamic model of the solar wind interaction with the ionospheres of Mars and Venus

Details An electrodynamic model of the solar wind interaction with the ionospheres of Mars and Venus An electrodynamic model of the solar wind interaction with the ionospheres of Mars and Venus

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979p%26ss...27.1111c&link_type=abstract

Planetary and Space Science, vol. 27, Aug. 1979, p. 1111-1121.

Astronomy and Astrophysics

Astronomy

2

Mars Atmosphere, Planetary Ionospheres, Plasma Interactions, Solar Wind, Venus Atmosphere, Astronomical Models, Atmospheric Models, Electrodynamics, Review, Magnetic Field, Electrodymamics, Models, Solar Wind, Mars, Magnetosphere, Ionosphere, Plasmas, Pressure, Venus, Flow, Ions, Spectrometers, Composition, Absorption, Ionopause, Bowshock, Density, Photochemistry, Convection, Conductivity, Asymmetry, Electric Potentials, Velocity

Scientific paper

The electrodynamic model for the solar wind interaction with nonmagnetic planets modified to include the effects of nonohmic currents in the upper ionosphere is examined. The model is used to calculate convection patterns induced by the solar wind in the ionospheres of Mars and Venus, with the observations of the neutral mass spectrometer of Vikings 1 and 2 providing the neutral atmosphere for Mars. Model calculations reproduced the retarding potential analyzer data and indicate that the ionosphere above 200 km is probably controlled by convection rather than chemistry or diffusion. The resulting model calculations were compared to radio occultation data from Mariners 5 and 10 and Venera 9 which represent extremes in the variability of the upper Cytherean ionosphere, and the calculations fell within this variation.

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