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Knyazeva M.A., Namgaladze A.A.
Mathematical modelling of forming the night middle-latitude maxima of the electron density in the F2-region of the quiet middle-latitude ionosphere and in the Earth plasmasphere
Abstract. The relative role of the thermospheric wind and electromagnetic drift in forming the night middle-latitude maxima of the electron density has been investigated for the quiet geomagnetic conditions by using the global numerical upper atmosphere model (UAM). It has been shown that the thermospheric wind creates these maxima, and the electromagnetic drift influences on the form and latitude location of the high-latitude side of the higher electron density regions, the latter depends on the value of the electromagnetic drift velocity. It has been found that appreciable UT- and MLT-effects become apparent in the latitudinal location, form and structure of these regions. The night middle-latitude maxima are clearly seen in the Northern Hemisphere near 00:00 UT and in the Southern Hemisphere - near 18:00 UT. The maxima are shifted to the more low latitudes when getting from the evening hours to the postmidnight ones.
Printed reference: Knyazeva M.A., Namgaladze A.A. Mathematical modelling of forming the night middle-latitude maxima of the electron density in the F2-region of the quiet middle-latitude ionosphere and in the Earth plasmasphere // Vestnik of MSTU. 2005. V. 8, No 1. P. -.
Electronic reference: Knyazeva M.A., Namgaladze A.A. Mathematical modelling of forming the night middle-latitude maxima of the electron density in the F2-region of the quiet middle-latitude ionosphere and in the Earth plasmasphere // Vestnik of MSTU. 2005. V. 8, No 1. P. -. URL: http://vestnik.mstu.edu.ru/v08_1_n19/articles/06_knyaz.pdf.
