A model of the lower ionosphere above Red Lake, Canada, during the 26 February 1979 solar eclipse

Details A model of the lower ionosphere above Red Lake, Canada, during the 26 February 1979 solar eclipse A model of the lower ionosphere above Red Lake, Canada, during the 26 February 1979 solar eclipse

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jatp...45..437h&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 45, July 1983, p. 437-450. Research sponsored by New Mexic

Physics

7

Atmospheric Models, D Region, E Region, Ionospheric Electron Density, Solar Eclipses, Atmospheric Ionization, Auroral Zones, Canada, Ionospheric Ion Density, Particle Precipitation

Scientific paper

Measurements of ionization sources, ionization profiles and minor atmospheric constituents were conducted during the 26 February 1979 solar eclipse above Red Lake, Canada. A model of the lower thermosphere has been developed to describe the Dand E-regions of the ionosphere for this case with the model being guided by the measurements. During the eclipse a rather intense particle precipitation event was in progress. For this reason, an auroral deposition code was coupled to a chemical-kinetics code to calculate degraded primary and secondary electron fluxes, ionization rates, positive ion and electron densities. The model was calibrated with the experimental measurements of electron flux below 100 km and electron density between 70 and 150 km. This calculation not only satisfactorily described the ionization in the E-region but also the gross electron density characteristics of the D-region. Bursts in the observed electron flux were also simulated with the model to give electron density profiles that were remarkably consistent with small perturbations seen in the electron density measurements.

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