Abstract In order to get a systematic picture of the observed ionospheric variations, the inner and outer controlling parameters must be set up. These depend on the solar short-wavelength radiation on the one hand and on neutral atmosphere parameters on the other. Profiting from theoretical (aeronomic) reasoning ionosphere and its adequate parameters are found to describe the relation with solar influences. Particular attention is paid to the height range 100 to 200 km. Absolute and relative variations of its main parameters, their interdependence, and their generalization by the introduction of “geophysical invariants” are discussed.


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    Titel :

    Solar and aeronomical controlling parameters determining the state of the ionosphere


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1988-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch