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Doronina E.N., Namgaladze A.A.
Variations of the latitude-longitudinal variations of thermospheric parameters during geomagnetic storms of 17-20 April, 2002
Abstract. Study of the latitude-longitudinal variations of the Earth's thermosphere parameters depending on geomagnetic conditions has been performed by the method of mathematical modeling. Calculations have been made with use of the theoretical model of the Earth upper atmosphere (UAM) and the empirical model of the thermosphere (NRLMSISE-00). The maps of global distribution of the calculated thermospheric parameters, such as temperature of neutral gas, concentration of molecular nitrogen and atomic oxygen, the ratio of their concentrations, and also the ratio of ratio n(O)/n(N2) in the disturbed conditions to the quiet ones and the velocity of the horizontal thermospheric wind for the moments 1200 and 2400 UT on April 16, 17 and 18 have been plotted. The results show that the geomagnetic storm effects are stronger in UAM, than in MSIS: in the disturbed conditions in average the neutral temperature is 150-200 K higher.
Printed reference: Doronina E.N., Namgaladze A.A. Variations of the latitude-longitudinal variations of thermospheric parameters during geomagnetic storms of 17-20 April, 2002 // Vestnik of MSTU. 2005. V. 8, No 1. P. -.
Electronic reference: Doronina E.N., Namgaladze A.A. Variations of the latitude-longitudinal variations of thermospheric parameters during geomagnetic storms of 17-20 April, 2002 // Vestnik of MSTU. 2005. V. 8, No 1. P. -. URL: http://vestnik.mstu.edu.ru/v08_1_n19/articles/04_doron.pdf.
