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Roldugin et al. 2003

Roldugin, V.C., Maltsev, Y.P., Vasiljev, A.N., Shvets, A.V. and Nikolaenko, A.P. (2003). Changes of Schumann resonance parameters during the solar proton event of 14 July 2000. Journal of Geophysical Research 108: doi: 10.1029/2002JA009495. issn: 0148-0227.

The ELF measurements in Russian observatories Lovozero (the Kola Peninsula) and Lekhta (Karelija) during the solar proton event of 14 July 2000 show the decrease of frequencies of the first and second Schumann resonance modes of ~0.4 Hz and the increase of the first-mode bandwidth from 0.8 to 1.5 Hz. The solar X-ray burst, preceding the proton precipitation, is accompanied by the increase of the first-mode frequency. Approximate formulas for frequencies and qualities of the two first modes are found for a two-layer model of the Schumann resonator (SR). The changes of the SR parameters are a response of the Earth-ionosphere resonator to large-scale disturbances of the polar ionosphere.

BACKGROUND DATA FILES

	Abstract

Keywords
Radio Science, Ionospheric propagation, Ionosphere, Solar radiation and cosmic ray effects, Ionosphere, Wave propagation, Solar Physics, Astrophysics, and Astronomy, X rays, gamma rays, and neutrinos

Journal
Journal of Geophysical Research
http://www.agu.org/journals/jb/

Publisher
American Geophysical Union
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