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    Article ID: 703

    Study of Electron fluxes in Ionosphere-Plasmasphere coupling from whistlers observed at low latitude ground station Jammu L= 1.17

    by Mohd AW

    Remote Sensing, Vol.6, No.3, 2024; 134 Views, 3 PDF Downloads

    DOI: https://doi.org/10.18282/rs.v6i3.703

    The downward flux of the ionization are measured by whistlers recorded at low latitude ground station Jammu (geomag lat 22 0  26 / ) and L= 1.17, on 5 June 1997. The whistler data shows a variation in dispersion with time. This decrease in dispersion is interpreted in terms of a corresponding decrease in the electron content of tubes of ionization and is compared with that obtained by Park (1972, Technical Report, Stanford university) for mid latitudes. By Park’s (1972) expressions the equatorial electron density and electron tube content N T  values were computed. Our measurements from whistlers show an average downward flux 2.8×10 8  electrons cm -2  S -1 . The simple diffusion equation which relates the flux to the ionization gradient by the ambipolar diffusion coefficient is again computed shows that the flux computed is within an order of magnitude less than that derived from the dispersion data. It is, therefore, argued that other processes like E × B drifts should play a dominant role in controlling the transport of ionization at low latitudes.Â