Similarity and dissimilarity of conjugate relationships of Pi magnetic pulsations observed during excellent similar auroras

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Author(s)

Abstract

Similarity and dissimilarity of conjugate relationships of Pi magnetic pulsations observed during excellent similar auroras at the conjugate stations, Tjornes in Iceland and Syowa Station in Antarctica are examined. The study revealed that characteristic Pi pulsations, Pi 2 pulsations and impulsive Pi 1 pulsations were prominently observed with a close relationship to aurora activities. During the substorm growth phase they showed a good similarity between the conjugate stations. How ever, at the onset of substorm expansion, the appearance of Pi pulsations showed prominent dissimilarity between the conjugate stations, suggesting that there might be some asymmetry of the ionosphere and magnetosphere conditions in between the northern and the southern hemispheres.

Journal

  • Advances in polar upper atmosphere research

    Advances in polar upper atmosphere research (20), 1-16, 2006-08

    National Institute of Polar Research

Codes

  • NII Article ID (NAID)
    110004739284
  • NII NACSIS-CAT ID (NCID)
    AA11397422
  • Text Lang
    ENG
  • Article Type
    departmental bulletin paper
  • ISSN
    13451065
  • Data Source
    NII-ELS  IR 
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