Abstract An analysis to check the reliability of using F10.7 cm and R12 solar indices as parameters recommended by IRI to predict the ionosphere behaviour has been made. A hysteresis is observed between Ionospheric characteristics and these solar indices. In this paper we also demonstrate that IRI single relationship between F10.7 and R12 is not correct at least for the solar cycle 21. A representation of F10.7 vs R12 for experimental values clearly shows the existence of a significant hysteresis which implies that for one value of R12 two values of F10.7 can be found. As a consequence, the possible calculation of exospheric temperature, electron density profiles and total electron content would experience strong systematic errors.


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    Titel :

    On the relationship between ionospheric characteristics and solar indices


    Beteiligte:
    Ortiz de Adler, N. (Autor:in) / Ezquer, R.G. (Autor:in) / Manzano, J.R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1993


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch