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Abstract <p>The registration times of extreme values of the main parameters of the interplanetary medium, cosmic ray variations, and geomagnetic activity during the passage of coronal mass ejections with a magnetic cloud past the Earth were studied. The following parts of interplanetary disturbances were considered: (I)&#xa0;from the interplanetary disturbance onset to the magnetic cloud onset; (II) within the magnetic cloud; and (III) from the magnetic cloud end to the interplanetary disturbance end, which was often the onset of the next interplanetary disturbance. It was shown in which part of the interplanetary disturbances the extremes of solar wind speed, interplanetary magnetic field, density and anisotropy of cosmic rays, as well as geomagnetic activity indices are most often recorded.</p>

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Study of Time Parameters of Interplanetary Disturbances with Magnetic Clouds

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • M. A. Abunina,
  • A. V. Belov,
  • N. S. Shlyk,
  • S. M. Belov,
  • A. A. Abunin,
  • V. A. Oleneva,
  • V. G. Yanke

摘要

Abstract

The registration times of extreme values of the main parameters of the interplanetary medium, cosmic ray variations, and geomagnetic activity during the passage of coronal mass ejections with a magnetic cloud past the Earth were studied. The following parts of interplanetary disturbances were considered: (I) from the interplanetary disturbance onset to the magnetic cloud onset; (II) within the magnetic cloud; and (III) from the magnetic cloud end to the interplanetary disturbance end, which was often the onset of the next interplanetary disturbance. It was shown in which part of the interplanetary disturbances the extremes of solar wind speed, interplanetary magnetic field, density and anisotropy of cosmic rays, as well as geomagnetic activity indices are most often recorded.