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2008
Kabin, Konstantin, Rankin, Robert, Sydorenko, Dmytro
A two-dimensional nonlinear multi-fluid MHD model of the ionosperic Alfven resonator is presented. The resonator is excited by a packet of shear Alfven waves propagating downward toward the ionosphere from high altitudes. It is shown that the nonlinear (ponderomotive) force of standing...
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2010
Sydorenko, Dmytro, Kabin, Konstantin, Rankin, Robert
A nonlinear two-dimensional fluid model describing excitation of the ionospheric Alfven resonator by a shear Alfven wave coming from the magnetosphere is developed. Initially, the plasma is in an equilibrium defined by a balance between the gravity, electric field, and pressure gradient forces....
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2012
Sydorenko, Dmytro, Rankin, Robert
A two-dimensional numerical model of low-altitude auroral flux tubes has been developed for simulation of coupling between the magnetosphere and the ionosphere. The model considers a realistic ionosphere with multiple ion and neutral species, collisions, cooling and heating processes, as well as...
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Simulation of O+ upflows created by electron precipitation and Alfvén waves in the ionosphere
Download2013
Sydorenko, Dmytro, Rankin, Robert
A two-dimensional model of magnetosphere-ionosphere coupling is presented. It includes Alfven wave dynamics, ion motion along the geomagnetic field, chemical reactions between ions and neutrals, collisions between different species, and a parametric model of electron precipitation. Representative...
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Enhanced N2 and O2 densities inferred from EISCAT observations of Pc5 waves and associated electron precipitation
Download2016
Yau, Andrew W., Sydorenko, Dmytro, Rankin, Robert
An advanced two-dimensional numerical model of the coupled ionosphere and magnetosphere is used to analyze EISCAT observations of ULF waves that are accompanied by electron precipitation with a wide energy spectrum. The observations show columns of significantly enhanced electron density produced...