Computer Science
Scientific paper
Oct 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ge%26ae..22..797a&link_type=abstract
Geomagnetizm i Aeronomiia, vol. 22, Sept.-Oct. 1982, p. 797-802. In Russian.
Computer Science
6
Geomagnetic Pulsations, Ionospheric Propagation, Magnetic Variations, Midlatitude Atmosphere, Oscillations, Wave Propagation
Scientific paper
Results of simultaneous observations of variations of ionospheric parameters and geomagnetic-field oscillations are systematized. A class of phenomena is identified in which the geomagnetic oscillations are determined by processes in the midlatitude ionosphere. Two types of waves are examined whose propagation may lead to the observed geomagnetic oscillations. The first type of wave, occurring in the region where Hall conductivity predominates (90-120 km), entrains into its motion only the electron-ion component of the plasma. The second type of wave, propagating in the F-region, entrains into its motion the neutral component of the plasma and therefore is characterized by a significantly smaller velocity than that of Alfven waves which involve the electron-ion component.
Alperovich L. S.
Drobzhev V. I.
Fedorovich G. V.
Sorokin V. M.
Troitskaia V. A.
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