Plasma-perturbation evolution in the F-region and estimation of ionospheric parameters from sounding data

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1994 English Publisher:Springer Science and Business Media LLCJournal:Radiophysics and Quantum Electronics, volume 36, pages 131-138 (issn: 0033-8443, eissn: 1573-9120,

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Authors: V. A. Pavlov; A. N. Pinegin; I. R. Smirnovskii;

doi: 10.1007/bf01037199

Plasma-perturbation evolution in the F-region and estimation of ionospheric parameters from sounding data

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Abstract

The problem of plasma perturbation caused by the point emission of energy on the order of 1014 ergs in the F-region is examined. Perturbation is observed by radio-frequency sounding in the first 15 sec after an explosion. A homogeneous medium and spherical symmetry of the charge are assumed. The conditions for the appearance of strong shock waves in the F-region are analyzed. The structure of the plasma-perturbation front for a shock wave with a Mach number of less than 10 is found everywhere except for a narrow “layer” near a plane perpendicular to the constant magnetic field. A theoretical model is compared with experimental results.

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