AbstractWe have examined the ionospheric plasma irregularities that were recorded by using three ground-based receivers of the global positioning system (GPS) located at Brazilian longitudes during the period of a complete solar cycle, 1995–2005. The statistic results show that ionospheric irregularities are very easy to occur in December solstice months but rare to occur in June solstice months. Besides, the occurrence rates of irregularities in both December and June solstice months are little dependent on solar activity. However, in equinoctial months, the development of irregularities is obviously dependent on solar activity. There is a new finding in this study that if strong irregularities are distinguished from moderate ones, their occurrence rates would increase with solar activity during the December solstice months.


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    Titel :

    A study of long-term climatology of ionospheric irregularities by using GPS phase fluctuations at the Brazilian longitudes


    Beteiligte:
    Chu, F.D. (Autor:in) / Lee, C.C. (Autor:in) / Chen, W.S. (Autor:in) / Liu, J.Y. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 41 , 4 ; 645-649


    Erscheinungsdatum :

    2007-05-02


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch