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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 8
Ann. Geophys., 18, 866–873, 2000
https://doi.org/10.1007/s00585-000-0866-4
© European Geosciences Union 2000
Ann. Geophys., 18, 866–873, 2000
https://doi.org/10.1007/s00585-000-0866-4
© European Geosciences Union 2000

  31 Aug 2000

31 Aug 2000

Connections between whistlers and pulsation activity

J. Verö1, B. Zieger1, J. Szendröi1, M. Vellante2, J. Střesğtik3, H. Lühr4, A. Best5, A. Körmendi6, J. Lichtenberger7, T. Ménesi1, P. Bencze1, F. Märcz1, and V. Wesztergom1 J. Verö et al.
  • 1Geodetic and Geophysical Research Institute of the Hungarian Academy of Sciences, H-9401 Sopron, Pf. 5, Hungary
  • 2Dipartimento di Fiscia, Universita' dell'Aquila, Via Vetoio, I-67010 Coppito-L'Aquila, Italy
  • 3Geofysikalni Ústav, AV ČR, Praha 4, Spořilov. Bočni II 1401, CZ-14131, Czech Republic
  • 4GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany
  • 5GeoForschungsZentrum Potsdam, Adolf Schmidt Geomagnetisches Observatorium D-14823 Niemegk, Germany
  • 6Loránd Eötvos Geophysical Institute, H-1440 Budapest, Pf. 35, Hungary
  • 7Loránd Eötvos University, Institute of Geophysics, H-1083 Budapest, Ludovika tér 2, Hungary
  • Correspondence to: J. Verö
  • e-mail: vero@ggki.hu

Abstract. Simultaneous whistler records of one station and geomagnetic pulsation (Pc3) records at three stations were compared. In a previous study correlation was found between occurrence and L value of propagation/excitation for the two phenomena. The recently investigated simultaneous records have shown that the correlation is better on longer time scales (days) than on shorter ones (minutes), but the L values of the propagation of whistlers/excitation of pulsations are correlated, i.e. if whistlers propagate in higher latitude ducts, pulsations have periods longer than in the case when whistlers propagate in lower latitude ducts.

Key words: Electromagnetics (wave propagation) - Magnetospheric physics (magnetospheric configuration and dynamics; MHD waves and instabilities)

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