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Roldugin et al. 2004

Roldugin, V.C., Maltsev, Y.P., Vasiljev, A.N., Schokotov, A.Y. and Belyajev, G.G. (2004). Diurnal variations of Schumann resonance frequency in NS and EW magnetic components. Journal of Geophysical Research 109: doi: 10.1029/2004JA010487. issn: 0148-0227.

The diurnal variation of the frequency of the first Schumann resonance mode has been studied from three ELF observation sites located at Spitsbergen, the Kola Peninsula, and the Kamchatka Peninsula. The induction magnetometer measured ELF separately in two components: NS (north-south) and EW (east-west). The frequency variation is 0.2--0.3 Hz at all the observatories. The semidiurnal harmonics dominate in the frequency variation. The variation seems to be controlled by the local time (LT) rather than by the universal time (UT). The frequency of the NS component has maxima approximately at 0700 and 1900 LT. The diurnal variation of the frequency of the EW component reveals the antiphase behavior so that the maximum in the EW component frequency occurs at ~0100 and 1300 LT.

BACKGROUND DATA FILES

	Abstract

Keywords
Radio Science, Ionospheric propagation, Radio Science, Radio wave propagation, Ionosphere, Wave propagation, Ionosphere, Solar radiation and cosmic ray effects, Schumann resonance frequency, diurnal variation, antiphase behavior in NS and EW components

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

Publisher
American Geophysical Union
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