AbstractAnalysis of electric field and particle precipitating flux data measured by the Intercosmos- Bulgaria-1300 satellite was performed. It was found that the power spectra of the upper ionosphere electrostatic field fluctuations exhibit a power law dependence with an exponent close to sol−5 3 , similar to the Kolmogorov's spectral distribution. A field-aligned potential drop between the magnetosphere and the ionosphere was estimated using the electron and ion precipitating fluxes data, which allowed to reconstruct large-scale fluctuations of electrostatic field in the magnetosphere. It was found that the spectra of fluctuations of the electrostatic field in the magnetosphere differ significantly from the ionospheric spectra, having a weaker dependence on k. This agrees well with the results directly obtained by Weimer at al. using the Dynamics Explorer 1 and 2 electric field data. It reveals a possibility to estimate the large-scale features of the magnetospheric electric field spectra by using solely the date from low-altitude satellites.


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    Title :

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


    Contributors:
    Stepanova, M.V (author) / Antonova, E.E (author) / Labbé, R (author) / Stanev, G (author) / Bankov, N (author) / Vucina, T (author) / Teltsov, M.V (author) / Isaev, N.V (author)

    Published in:

    Advances in Space Research ; 31 , 5 ; 1425-1430


    Publication date :

    2002-01-01


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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