Abstract Variations of turbulence properties of the plasma sheet during geomagnetic substorms are investigated using observations of the INTERBALLTail Probe satellite. The periods are chosen when the satellite was inside the plasma sheet. Fluctuations of the plasma bulk velocity across the plasma sheet are studied for the growth, expansion, and recovery phases of geomagnetic substorms on October 14, 1997; October 30, 1997; and December 16, 1998. It was demonstrated that the level of turbulence increases considerably after the onset of the substorm expansion phase and slowly decreases nearly to the presubstorm level later. The correlation times of plasma fluctuations in the Z-direction are estimated, and diffusion coefficients in the Z-direction are calculated.


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    Title :

    Turbulence in the Plasma Sheet during Substorms: A Case Study for Three Events Observed by the INTERBALL Tail Probe


    Contributors:

    Published in:

    Publication date :

    2002




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.60 Raumfahrttechnik / 39.00 Astronomie: Allgemeines / 50.93 Weltraumforschung
    Local classification TIB:    770/3520/8000



    Turbulence in the Plasma Sheet during Substorms: A Case Study for Three Events Observed by the INTERBALL Tail Probe

    Ovchinnikov, I. L. / Antonova, E. E. / Yermolaev, Yu. I. | Springer Verlag | 2002


    INTERBALL Observations of the Plasma Sheet

    Yermolaev, Y. I. / COSPAR; Scientific Commission D | British Library Conference Proceedings | 1997




    Plasma Sheet Heating During Substorm and the Values of the Plasma Sheet Diffusion Coefficient Obtained on the Base of Interball/Tail Probe Observations

    Ovchinnikov, I. L. / Antonova, E. E. / Yermolaev, Y. I. | British Library Conference Proceedings | 2002