Hot plasma observations from Dynamics Explorer 1 have been used to investigate solar-wind ion injection, Birkeland currents, and plasma convection at altitudes above 2 earth-radii in the morning sector. The results of the study, along with the antiparallel merging hypothesis, have been used to construct a By-dependent global convection model. A significant element of the model is the coexistence of three types of convection cells (merging cells, viscous cells, and lobe cells). As the IMF direction varies, the model accounts for the changing roles of viscous and merging processes and makes testable predictions about several magnetospheric phenomena, including the newly-observed theta aurora in the polar cap.


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    Titel :

    Field-aligned currents and ion convection at high altitudes


    Beteiligte:
    Burch, J. L. (Autor:in) / Reiff, P. H. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1985-01-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Field-aligned currents and ion convection at high altitudes

    Burch, J.L. / Reiff, P.H. | Elsevier | 1985


    Comparison of field-aligned currents at ionospheric and magnetospheric altitudes

    Spence, H. E. / Kivelson, M. G. / Walker, R. J. | NTRS | 1988


    Comparison of field-aligned currents at ionospheric and magnetospheric altitudes

    Spence, H.E. / Kivelson, M.G. / Walker, R.J. | Elsevier | 1989


    Modeling currents at satellite altitudes

    Backus, G. E. | NTRS | 1985


    Observations of magnetospheric convection from low altitudes

    Heelis, R.A. / Reiff, P.H. | Elsevier | 1985