Disturbance of the ionospheric <Emphasis Type="Italic">D</Emphasis> region by the electric current of the atmospheric-ionospheric electric circuit |
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Authors: | A I Laptukhov V M Sorokin A K Yashchenko |
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Institution: | 1.Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation,Russian Academy of Sciences,Troitsk, Moscow oblast,Russia |
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Abstract: | The mechanism by which electron and ion densities change in the ionospheric D region due to the electric current flowing in the atmospheric-ionospheric electric circuit is studied. The current disturbance
in this circuit exists over the regions of increased seismic, meteorological, and thunderstorm activity. In the framework
of the model, the influence of the electron and ion transportation under the action of the electric field on the formation
of a disturbance in the D region and heating of the plasma electron component by the field are considered. The calculation results show that the densities
of electrons and ions can change by an order of magnitude at an increase in the current density up to ∼(10−9–10−8) A m−2, the sign of the disturbance depending on the current direction. |
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