Computer Science – Sound
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984kosis..22..557f&link_type=abstract
Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 22, July-Aug. 1984, p. 557-564. In Russian.
Computer Science
Sound
Auroral Zones, F Region, Ion Motion, Ionospheric Drift, Atmospheric Models, Drift Rate, Ionospheric Electron Density, Magnetospheric Instability, Satellite Sounding
Scientific paper
Satellite (e.g., Cosmos-184, OGO-6, and AE-C) measurements of convection and electric fields in the magnetosphere as well as Chatanika incoherent-scatter data indicate the presence of a narrow zone of very fast ion drift toward the west in the subauroral region during substorms. Variations in the electron density distribution in the lower F-region in the fast-drift zone are analyzed; a quantitative density model is obtained; and this model is used to calculate model ionograms, close to those obseved at a subauroral ionospheric station situated near the fast drift zone. A comparison of theoretical and experimental ionograms makes it possible to identify cases of the appearance of a fast drift zone (a polarization jet) near a station, and to identify the distance to this zone according to the ionograms.
Filippov V. M.
Galperin Iu. I.
Shestakova L. V.
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