Abstract The results of a numerical simulation of such parameters of the topside ionosphere as concentration Ne and temperature Te of electrons, and concentration n($ H^{+} $) and fluxes along the magnetic field lines Φ($ H^{+} $) of $ H^{+} $ ions at an altitude of ∼2000 km for the conditions of the August 11, 1999 solar eclipse are presented. The calculations were performed using the Global Self-consistent Model of the Thermosphere, Ionosphere, and Protonosphere of the Earth (GSM TIP). It is shown that during the eclipse, in addition to a region of decreased values of Te in the Northern Hemisphere and in the magnetically conjugate region in the Southern Hemisphere, regions of electron heating emerge in both hemispheres. Simultaneously, an extended region of decreased values of Ne comes into existence and moves behind the Moon’s shadow. Regions with decreased (down to ∼30%) and enhanced (up to ∼50%) concentrations of $ H^{+} $ ions are detected in the global distribution of these ions.


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    Title :

    Numerical simulation of effects of the August 11, 1999 solar eclipse in the outer ionosphere


    Contributors:

    Published in:

    Cosmic Research ; 45 , 2 ; 102-109


    Publication date :

    2007




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

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



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