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Namgaladze A.A., Martynenko O.V., Volkov M.A., Namgaladze A.N., Yurik R.Yu.

High-latitude version of the global numerical model of the Earth's upper atmosphere

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Abstract. The global numerical model describing the thermosphere, ionosphere and protonosphere of the Earth as a single system has been modified for the polar upper atmosphere studies. The spatial and time resolution of the model has been significantly enhanced by the use of the variable latitudinal steps of numerical integration. The model is being developed to encompass modelling of the inner part of the magnetosphere confined by the closed geomagnetic field lines and the mesosphere. The results of the model calculations for the quiet magnetic conditions have been compared with the data of the empirical ionospheric and thermospheric models as well as with the EISCAT data and, in general, reasonable agreement between theoretical and empirical data has been found. The new high-latitude version of the model has been applied as well to the investigations of the disturbed behaviour of the Earth’s upper atmosphere during geomagnetic substorms and storms and during disturbances in the cusp region. The physical mechanisms of the upper atmosphere responses to the solar wind and magnetospheric forcings have been understood by the use of the model in several case studies.

Printed reference: High-latitude version of the global numerical model of the Earth's upper atmosphere / A.A. Namgaladze, O.V. Martynenko, M.A. Volkov, A.N. Namgaladze, R.Yu. Yurik // Vestnik of MSTU. 1998. V. 1, No 2. P. -.

Electronic reference: High-latitude version of the global numerical model of the Earth's upper atmosphere / A.A. Namgaladze, O.V. Martynenko, M.A. Volkov, A.N. Namgaladze, R.Yu. Yurik // Vestnik of MSTU. 1998. V. 1, No 2. P. -. URL: http://vestnik.mstu.edu.ru/v01_2_n02/articles/02_namga.zip.

(In English, p.62, fig. 44, ref 145, MS Word 95, WinZip)