Radar, rocket and satellite measurements often indicate that there is a strong increase and subsequent decrease in the perpendicular electric field when traversing one edge of an auroral arc. The analysis of rocket measurements, presented here, shows that above an auroral arc there is a small gradient in the electric field due to polarization effects in the ionosphere, but that the strong increase at the edge of the arc can only be explained if the field-aligned currents associated with the arc are taken into account.


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    Titel :

    Why does the perpendicular electric field increase at the edge of auroral arcs?


    Beteiligte:
    Bruening, K. (Autor:in) / Wilhelm, K. (Autor:in) / Goertz, C. K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1985-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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