Physics
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ge%26ae..24..442b&link_type=abstract
Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 24, May-June 1984, p. 442-447. In Russian.
Physics
Diurnal Variations, Ionospheric Ion Density, Magnetospheric Proton Density, Plasmapause, Polar Substorms, Ring Currents, Cosmos Satellites, Night Sky, Plasma Dynamics, Proton Flux Density
Scientific paper
Cosmos-900 data are used to correlate the intensity of ring-current particles and ion concentration at a height of about 500 km during the substorm of December 1, 2, 1977. It is shown that in the evening sector the inner edge of the ring current coincides with the position of the plasmapause; hence, the ring-current processes may be determined by the interaction of hot and cold plasma at the plasmapause. In the morning sector the inner edge of the ring current is outside the plasmasphere at a distance of not greater than 2L from the plasmapause; hence, the ring-current losses are not associated with processes occurring at the plasmapause. It is concluded that the present results make it possible to assess structural changes of ionization at the polar wall of the trough in magnetoactive periods.
Besprozvannaia A. S.
Gdalevich G. L.
Khorosheva O. V.
Ozerov U. D.
Sosnovets Eh. N.
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