Abstract
The paper presents the results of a numerical simulation of ionospheric disturbances caused by a point thermospheric heat source, which mimic the dissipation effect of acoustic-gravity waves propagating from the region of a meteorological storm. It is shown that ionospheric effects have an extensive spatial structure and are more pronounced during the day than at night. The results of numerical simulations show decreases in the critical frequency of the F2 layer (foF2) and in the total concentration of electrons to the northwest from the heat source maximum, as well as increases in the values of these parameters to the south and southeast from the heat source maximum up to the equatorial region. A comparative analysis of the daytime and nighttime disturbances of atmospheric parameters is given, and a conclusion is drawn on the causes of weakly pronounced changes in the nighttime ionosphere.
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Funding
This study was supported by grant nos. 18-05-00184-a (I.V. Karpov) and 17-05-00574-a (O.P. Borchevkina) from the Russian Foundation for Basic Research, and grant no. 17-17-01060 (P.A. Vasilev) from the Russian Science Foundation.
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Karpov, I.V., Borchevkina, O.P. & Vasilev, P.A. Simulation of Ionospheric Effects Induced by Meteorological Storms. Russ. J. Phys. Chem. B 14, 362–366 (2020). https://doi.org/10.1134/S1990793120020220
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DOI: https://doi.org/10.1134/S1990793120020220