AbstractThe medium scale stratification theory of upward field-aligned currents predicts some periodicity in the electrostatic potential profile (and subsequently in the field-aligned current profile) that could account for oscillations experimentally observed in the auroral zone, such as successive large-scale acceleration events. The number of these events is determined by a ‘scaling’ parameter expressed in terms of the large-scale electric field jump across the upward field-aligned current band, the total width of the current band, and the plasma sheet ion temperature. Intercosmos-Bulgaria-1300 satellite electric field measurements were used for validation of the model. It is shown that the theory predictions are in a rather good agreement with the results of experimental observations.


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    Title :

    Study of stratification of magnetospheric convection using intercosmos-Bulgaria-1300 electric field observations


    Contributors:
    Stepanova, M.V (author) / Antonova, E.E (author) / Stanev, G (author) / Bankov, N (author) / Isaev, N.V (author)

    Published in:

    Advances in Space Research ; 31 , 5 ; 1419-1424


    Publication date :

    2002-01-01


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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    Study of Electric Field Fluctuations Using the Intercosmos-Bulgaria-1300 Satellite Data

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    Study of electric field fluctuations using the intercosmos-Bulgaria-1300 satellite data

    Stepanova, M.V / Antonova, E.E / Labbé, R et al. | Elsevier | 2002