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Doronina E.N., Namgaladze A.A., Goncharenko L.P.
Variations of thermospheric parameters above incoherent dispersion stations during geomagnetic storms of 17-19 April, 2002
Abstract. Study of the geomagnetic storm influence on the Earth's thermosphere behaviour has been performed by the mathematical modelling method. Thermospheric parameters have been calculated by two ways: by solving the continuity, momentum and heat balance equations (the theoretical model UAM) and using the empirical model of the thermosphere - MSISE2000. The calculations with the UAM have been conducted in two versions with various initial conditions: in the version UAM(TM) initial conditions have been taken from the MSIS, and in the version UAM(T5) they have been taken from the quasi-steady state UAM solution obtained by 5-day model runs. The time variations of the following thermospheric parameters have been analyzed: neutral temperature, molecular nitrogen and atomic oxygen concentrations, the ratio n(O)/n(N2) and the meridional component of the thermospheric wind. The comparison of the various calculation versions has shown that the geomagnetic storm effects in the UAM are larger than in the empirical model of the thermosphere, giving better agreement with the incoherent scatter data on the ionospheric electron density.
Printed reference: Doronina E.N., Namgaladze A.A., Goncharenko L.P. Variations of thermospheric parameters above incoherent dispersion stations during geomagnetic storms of 17-19 April, 2002 // Vestnik of MSTU. 2005. V. 8, No 1. P. -.
Electronic reference: Doronina E.N., Namgaladze A.A., Goncharenko L.P. Variations of thermospheric parameters above incoherent dispersion stations during geomagnetic storms of 17-19 April, 2002 // Vestnik of MSTU. 2005. V. 8, No 1. P. -. URL: http://vestnik.mstu.edu.ru/v08_1_n19/articles/05_doron.pdf.
