Abstract Measurements from the EISCAT incoherent scatter radar are used to investigate ionospheric variations in the vicinity of the main trough using experiments with good temporal- and spatial-resolution. For the two cases reported, the F-region density depletion indicative of the trough is associated with increased electric field and F-region ion temperature, elevated F-region electron temperature, increased electron density in the E region, and a positive magnetic bay. These qualities are determined by comparing measurements from trough and ‘non-trough’ days. No small-scale ionospheric changes were detected, but the motion and orientation of the trough could be determined by cross-correlating measurements from four closely-spaced volumes.


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    Titel :

    High resolution measurements of the main ionospheric trough using EISCAT


    Beteiligte:
    Collis, P.N. (Autor:in) / Häggström, I. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1989


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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