Abstract Formation of super rogue ion-acoustic wave is suggested as a physical catalyst for the photochemical reaction to form the Venusian ionosphere and its mantle. Based on the observed data at Venus by Pioneer Venus Orbiter (PVO) and Venus Express (VEX), we constructed our models. The plasma model of the ionosphere consists of two positive ions fluid ( H + and O + ) and Maxwellian distributed ionospheric electrons. Whereas, the plasma mantle comprises streaming solar wind (SW) protons and Maxwellian SW electrons in addition to H + , O + and electrons. To define precisely the existence regions and the features of super rogue waves (SRWs), we studied numerically the effect of the plasma parameters on the instability of the propagating pulses. At Venus’ ionosphere, we found that the increase of the ionospheric density ratio ( n H 0 / n O 0 ) enhances the energy of the SRWs. Whereas, in the mantle region, we found that the nonlinearity of the system is enhanced by the effect of the streaming SW proton, through its density and velocity, which leads to amplifying of the SRWs amplitude. Thus, the enhancement in the density of ionospheric particles and SW protons contributes to enhancing the photochemical reaction in the ionosphere and the mantle region.


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    Title :

    Super rogue waves at Venusian ionosphere and mantle


    Contributors:

    Published in:

    Advances in Space Research ; 72 , 6 ; 2427-2441


    Publication date :

    2023-05-13


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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