Near-Earth Interplanetary Coronal Mass Ejections During Solar Cycle 23 (1996?–?2009): Catalog and Summary of Properties |
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| Authors: | I G Richardson H V Cane |
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| Institution: | (1) Department of Industrial and Engineering Management, Ta-Hwa Institute of Technology, Hsinchu 307, Taiwan, ROC |
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| Abstract: | In a previous study (Cane and Richardson, J. Geophys. Res.
108(A4), SSH6-1, 2003), we investigated the occurrence of interplanetary coronal mass ejections in the near-Earth solar wind during 1996 – 2002,
corresponding to the increasing and maximum phases of solar cycle 23, and provided a “comprehensive” catalog of these events.
In this paper, we present a revised and updated catalog of the ≈300 near-Earth ICMEs in 1996 – 2009, encompassing the complete
cycle 23, and summarize their basic properties and geomagnetic effects. In particular, solar wind composition and charge state
observations are now considered when identifying the ICMEs. In general, these additional data confirm the earlier identifications
based predominantly on other solar wind plasma and magnetic field parameters. However, the boundaries of ICME-like plasma
based on charge state/composition data may deviate significantly from those based on conventional plasma/magnetic field parameters.
Furthermore, the much studied “magnetic clouds”, with flux-rope-like magnetic field configurations, may form just a substructure
of the total ICME interval. |
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