Computer Science – Sound
Scientific paper
Apr 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ge%26ae..25..206k&link_type=abstract
Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 25, Mar.-Apr. 1985, p. 206-210. In Russian.
Computer Science
Sound
Critical Frequencies, F 2 Region, Interplanetary Magnetic Fields, Ionospheric Electron Density, Ionospheric Sounding, Vertical Distribution, Equinoxes, Geomagnetism, Magnetic Disturbances, Solar Activity Effects, Solar Flares
Scientific paper
Data from vertical-sounding stations are used to investigate variations of critical frequency and height of the F2-layer after the earth intersects the boundaries of IMF sectors during equinox periods in the declining phase of solar activity. It is shown that a sign change of the IMF produces ionospheric effects that are often comparable in magnitude with effects observed in the presence of flares and intense geomagnetic disturbances. Specifically, this sign change stimulates magnetospheric variations that lead to a planetary-scale restructuring of the ionosphere near the electron-density maximum.
Kolomiitsev O. P.
Livshits Moisey A.
Soboleva T. N.
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