AbstractUsing nine years (1995–2003) of solar wind plasma and magnetic field data, solar sunspot number, and geomagnetic activity data, we investigated the geomagnetic activity associated with magnetic clouds (MCs), magnetic cloud-like structures (MCLs), and interplanetary shock waves. Eighty-two MCs and one hundred and twenty-two MCLs were identified by using solar wind and magnetic field data from the WIND mission, and two hundred and sixty-one interplanetary shocks were identified over the period of 1995–2003 in the vicinity of Earth. It is found that MCs are typically more geoeffective than MCLs or interplanetary shocks. The occurrence frequency of MCs is not well correlated with sunspot number. By contrast, both occurrence frequency of MCLs and sudden storm commencements (SSCs) are well correlated with sunspot number.


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    Titel :

    Geomagnetic activity associated with magnetic clouds, magnetic cloud-like structures and interplanetary shocks for the period 1995–2003


    Beteiligte:
    Wu, Chin-Chun (Autor:in) / Lepping, R.P. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 41 , 2 ; 335-338


    Erscheinungsdatum :

    2007-02-07


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch