Numerical model of the convecting F2 ionosphere at high latitudes

Details Numerical model of the convecting F2 ionosphere at high latitudes Numerical model of the convecting F2 ionosphere at high latitudes

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.4784k&link_type=abstract

Journal of Geophysical Research, vol. 82, Oct. 1, 1977, p. 4784-4792.

Computer Science

Numerical Analysis

9

Atmospheric Models, Convective Flow, Electron Precipitation, F 2 Region, Polar Regions, Proton Precipitation, Atmospheric Ionization, Ion Production Rates, Ionospheric Electron Density, Numerical Analysis, Polar Caps, Time Dependence

Scientific paper

In previous work Knudsen (1974) presented a model for the convection field of the high latitude F layer and evaluated the time-dependent behavior of a tube of F layer plasma carried around the polar regions by the field. The present paper describes the initial results of a more detailed numerical study of the behavior of the F layer tubes, where it is assumed that the tubes are subjected to time-dependent ionization rates from both solar photons and precipitating energetic electrons. The numerical results are presented in the form of a map view of N-m F2 contours, electron concentration in vertical section over the magnetic pole from noon to midnight, and several vertical profiles of electron concentration for both convecting and nonconvecting flux tubes. The proposed convection field produced a tongue of F layer plasma extending from the dayside of the cleft over the polar cap with concentrations consistent with those observed by Isis 2.

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