Effects of Energetic Solar Emissions on the Earth–Ionosphere Cavity of Schumann Resonances

G. Sátori, Earle Williams, Colin Price, Robert Boldi, Alexander Koloskov, Yuri Yampolski, Anirban Guha, Veronika Barta

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Schumann resonances (SR) are the electromagnetic oscillations of the spherical cavity bounded by the electrically conductive Earth and the conductive but dissipative lower ionosphere (Schumann in Z Naturforsch A 7:6627–6628, 1952). Energetic emissions from the Sun can exert a varied influence on the various parameters of the Earth’s SR: modal frequencies, amplitudes and dissipation parameters. The SR response at multiple receiving stations is considered for two extraordinary solar events from Solar Cycle 23: the Bastille Day event (July 14, 2000) and the Halloween event (October/November 2003). Distinct differences are noted in the ionospheric depths of penetration for X-radiation and solar protons with correspondingly distinct signs of the frequency response. The preferential impact of the protons in the magnetically unshielded polar regions leads to a marked anisotropic frequency response in the two magnetic field components. The general immunity of SR amplitudes to these extreme external perturbations serves to remind us that the amplitude parameter is largely controlled by lightning activity within the Earth–ionosphere cavity.

Original languageEnglish
Pages (from-to)1-33
Number of pages33
JournalSurveys in Geophysics
DOIs
Publication statusAccepted/In press - Mar 28 2016

Fingerprint

cavity
energetics
cavities
frequency response
Frequency response
Protons
Earth (planet)
solar protons
lower ionosphere
protons
Ionosphere
immunity
lightning
Lightning
polar region
solar cycles
solar cycle
Sun
polar regions
ionospherics

Keywords

  • Characteristic ionospheric heights
  • Earth–ionosphere cavity
  • Schumann resonances
  • Solar proton
  • Solar X-ray

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Sátori, G., Williams, E., Price, C., Boldi, R., Koloskov, A., Yampolski, Y., ... Barta, V. (Accepted/In press). Effects of Energetic Solar Emissions on the Earth–Ionosphere Cavity of Schumann Resonances. Surveys in Geophysics, 1-33. https://doi.org/10.1007/s10712-016-9369-z

Effects of Energetic Solar Emissions on the Earth–Ionosphere Cavity of Schumann Resonances. / Sátori, G.; Williams, Earle; Price, Colin; Boldi, Robert; Koloskov, Alexander; Yampolski, Yuri; Guha, Anirban; Barta, Veronika.

In: Surveys in Geophysics, 28.03.2016, p. 1-33.

Research output: Contribution to journalArticle

Sátori, G. ; Williams, Earle ; Price, Colin ; Boldi, Robert ; Koloskov, Alexander ; Yampolski, Yuri ; Guha, Anirban ; Barta, Veronika. / Effects of Energetic Solar Emissions on the Earth–Ionosphere Cavity of Schumann Resonances. In: Surveys in Geophysics. 2016 ; pp. 1-33.
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