Computer Science – Performance
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86..199o&link_type=abstract
Journal of Geophysical Research, vol. 86, Jan. 1, 1981, p. 199-205. Research supported by the Centre National de la Recherche
Computer Science
Performance
16
Auroral Zones, E Region, Electron Plasma, Ionospheric Electron Density, Plasma Temperature, Space Plasmas, Electron Energy, Electron Scattering, Ion Production Rates, Mathematical Models, Performance Prediction, Radar Measurement
Scientific paper
Observations of the intensity of plasma lines in the auroral E region are compared with theoretical predictions obtained from a detailed numerical model. Plasma line temperatures and total ionization rates were determined on the basis of Chatanika incoherent scatter radar observations for situations with auroral E layer peaks at 100 and 120 km. Detailed model calculations of the plasma line temperatures were performed for a model of a flux of energetic auroral primary electrons entering the atmosphere and losing energy to electrons, ions and neutrals through elastic and inelastic collisions with a total ionization rate matching that calculated from the observations. Comparison of the calculated with the observed intensities suggest that the plasma line theory must include the effect of electron-neutral collisions when applied to low altitudes. The good agreement resulting from the inclusion of these effects indicates the potential of the model for the study of low-energy auroral electrons.
Kofman Wlodek
Newman Alantha
Oran Elaine S.
Wickwar Vincent B.
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