Abstract
Taking into account the action of inhomogeneous zonal wind (shear flow), nonlinear dynamic equations describing the propagation of planetary ULF magnetized Rossby waves in the ionospheric D-, E-, and F-layers are obtained and investigated. The influence of existence of charged particles through Hall and Pedersen conductivities on such dynamic equations is studied in detail. It is shown that the existence of shear flow and Pedersen conductivity can be considered as the presence of an external energy source. The possibility of a barotropic instability of the magnetized Rossby waves is shown. Based on the Rayleigh’s theorem, the appropriate stability conditions are defined in case of the ionospheric D- and E-layers. It is indicated that magnetized Rossby waves under the action of shear zonal flow correspond to states with negative energy. Some exponentially localized vortical solutions are found for the ionospheric D- and E-layers.
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The carried out investigation is supported through the Grant No. 04/01 of 2017 Joint Call of Shota Rustaveli National Science Foundation of Georgia and the Scientific and Technological Research Council of Turkey (TUBITAK).
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Kaladze, T.D., Özcan, O., Yeşil, A. et al. Shear flow-driven magnetized Rossby wave dynamics in the Earth’s ionosphere. Z. Angew. Math. Phys. 72, 130 (2021). https://doi.org/10.1007/s00033-021-01556-0
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DOI: https://doi.org/10.1007/s00033-021-01556-0