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Journal of Geophysical Research: Atmospheres

Spectral characteristics of Schumann resonances observed in central Europe


  • G. Sátori,

  • B. Zieger


The vertical electric field component in the frequency range of Schumann resonances has regularly been measured at the Nagycenk Observatory in Hungary, in Central Europe since May 1993. The actual peak frequencies and the amplitudes belonging to them are determined for the first three modes. Each mode has its own character and they show distinct daily and seasonal variations. The recurrence tendency of these variations from year to year is also presented. The significant annual and semiannual variations of the amplitudes support the suggestion that the Schumann resonance as a global phenomenon is sensitive to small temperature variations in the tropical atmosphere.

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