Abstract
The influence of spatial inhomogeneity of the Earth's rotation on the Alfven perturbations is considered.The possibility of existence of new spatially localized joint Alfven–Rossby nonlinear solitary vortical structures in the Earth's ionosphere is shown. In the ideal magnetohydrodynamic approximation, corresponding system of nonlinear partial differential equations governing the dynamics of Alfven–Rossby waves is obtained. It is shown that, in the case of stationary propagation, it has the well-known spatially localized Larichev–Reznik type solution. It is suggested that such dynamic Alfven–Rossby nonlinear solitary vortical structures are responsible for so-called “magnetic days” in the Earth's atmosphere.
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