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Namgaladze А.А., Namgaladze А.N., Chernyuk L.A.
Numerical modeling of the thermospheriv wind velocity vector behaviour in the high-latitude ionospheric E-region
Abstract. A behavior of the thermospheric wind velocity vector in the high-latitude ionospheric E-region during the strong magnetic storms at high solar activity has been investigated using the global numerical model of the Earth's upper atmosphere. The regions of generation of the intensive vertical wind disturbances in the high-latitude ionospheric E-region have been established. The vertical wind disturbances look like the internal gravity waves with amplitudes reaching 60-70 m/s at the top boundary of the E-region and their horizontal scales exceed 200 km. The results of the model calculations have been compared with the interferometer observations of vertical winds within the auroral zone (Lovozero observatory). The possible contribution of the diffusion movements to atomic oxygen vertical velocities measured at E-region heights and other possible causes of the disagreement between the modeled and observed vertical wind data have been discussed.
Printed reference: Namgaladze А.А., Namgaladze А.N., Chernyuk L.A. Numerical modeling of the thermospheriv wind velocity vector behaviour in the high-latitude ionospheric E-region // Vestnik of MSTU. 2002. V. 5, No 2. P. -.
Electronic reference: Namgaladze А.А., Namgaladze А.N., Chernyuk L.A. Numerical modeling of the thermospheriv wind velocity vector behaviour in the high-latitude ionospheric E-region // Vestnik of MSTU. 2002. V. 5, No 2. P. -. URL: http://vestnik.mstu.edu.ru/v05_2_n12/articles/22_chern.zip.
