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Research of the thermospheric-ionospheric interaction in the disturbed conditions by the example of the magnetic storm of 3-4 April, 1979
Abstract. Recent numerical results of the upper atmosphere storm modeling have been presented for the strong magnetic storm of 3-4 April 1979 at the high solar activity level. The results have been obtained using the global time-dependent three-dimensional numerical Upper Atmosphere Model (UAM). The cross-polar cap electric potential, the precipitating electron fluxes, and the positions of the auroral oval boundaries have been used as storm-time model input parameters. The time variation of the calculated disturbances along the midday and midnight geomagnetic meridians of the thermospheric parameters at the height 350 km as well as those of the electron number density at the peak of F2-layer have been shown. The role of the electromagnetic plasma drift and thermospheric composition and wind disturbances on the storm-time ionosphere and thermosphere behaviour is discussed. A comparison of the calculated and observed neutral mass density and ionospheric F2-layer critical frequency latitudinal variations demonstrates a good agreement between the model and experimental data.
Printed reference: Yurik R.Yu., Namgaladze A.A. Research of the thermospheric-ionospheric interaction in the disturbed conditions by the example of the magnetic storm of 3-4 April, 1979 // Vestnik of MSTU. 2005. V. 8, No 1. P. -.
Electronic reference: Yurik R.Yu., Namgaladze A.A. Research of the thermospheric-ionospheric interaction in the disturbed conditions by the example of the magnetic storm of 3-4 April, 1979 // Vestnik of MSTU. 2005. V. 8, No 1. P. -. URL: http://vestnik.mstu.edu.ru/v08_1_n19/articles/07_yurik.pdf.
