Physics
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.5405f&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, May 1, 1989, p. 5405-5417. Research supported by USAF.
Physics
48
Atmospheric General Circulation Models, Earth Ionosphere, Equatorial Atmosphere, Magnetic Storms, Thermosphere, Electric Fields, Electron Density (Concentration), Gravity Waves, Perturbation
Scientific paper
The response of the equatorial ionosphere to the neutral atmosphere perturbations produced by the magnetic storm of March 22, 1979 is investigated. A numerical model of the equatorial ionosphere is used to calculate the maximum electron densities and F layer heights associated with a storm-perturbed neutral atmosphere and circulation model. The neutral atmosphere model utilizes an empirical ionospheric model to parameterize ion drag effects. The neutral atmosphere and dynamics are simulated using a thermospheric general circulation model (TGCM) for the storm day and the preceding quiet day. The TGCM-calculated fields are input into a low latitude ionosphere model which calculates the maximum electron density and the height of the F layer. The simulation results indicate that the major factor influencing the storm time ionospheric behavior in this case is the neutral wind.
Crowley Geoff
Fesen C. G.
Roble Raymond G.
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