Large-scale stratification of the ionosphere during earthquake preparation |
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| Institution: | Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, P. O. Box 653, Beer Sheva 84105, Israel |
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| Abstract: | Modulation of ionospheric plasma density by acoustic waves (AW) is investigated. A rigorous electrodynamic model of the interaction of acoustic waves, generated by the lithospheric displacements during the seismic event preparation, with the cold dense ionospheric plasma in the presence of a magnetic field is constructed in conjunction with the actual height variations of the plasma particles' mobility and conductivity tensors in the ionosphere. A mechanism of creation of ionospheric inhomogeneities with different scales and with various degree of disturbance ΔN/N0=10?4–10?5 (N0 is the concentration of plasma electrons (ions) in background ionospheric plasma) is presented. |
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