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Modification of electron concentration in the ionosphere in the pump-wave plasma resonance region

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Abstract

We discuss the propagation of sounding radio waves in the inhomogeneous ionosphere, in the reflection area of which there are small-scale artificial magnetically-positioned irregularities. The propagation of radio waves in such an area, where the lateral dimensions of strongly elongated artificial irregularities are smaller than the wavelength, has a diffraction nature. It is shown that the calculation of diffraction parameters makes it possible to derive the amplitude of density irregularities and their relative area perpendicular to the magnetic field direction. Comparison of theoretical calculations with experimental studies on modification of the electron density altitude profile by heating of the ionosphere with midlatitude stand Sura showed that the relative area of the negative density perturbations can reach several percent.

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Correspondence to Ya. N. Istomin.

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Original Russian Text © Ya.N. Istomin, V.Yu. Kim, 2017, published in Geomagnetizm i Aeronomiya, 2017, Vol. 57, No. 1, pp. 91–99.

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Istomin, Y.N., Kim, V.Y. Modification of electron concentration in the ionosphere in the pump-wave plasma resonance region. Geomagn. Aeron. 57, 84–92 (2017). https://doi.org/10.1134/S0016793217010042

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  • DOI: https://doi.org/10.1134/S0016793217010042

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