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Vol. 6 (2003 year), No. 1

Shapovalova Yu.A., Namgaladze A.A. and Namgaladze A.N.
The main ionospheric trough stratification as a result of the noncoincidence of the Earth's geomagnetic and geographic axes

By the use of the global numerical upper atmosphere model (UAM) an investigation of the influence of the noncoincidence of the Earth's geomagnetic and geographic axes on the electron density distribution within the main ionospheric trough have been performed for the quiet geophysical conditions. It has been shown, that noncoincidence of the axes causes not only appreciable UT-effect, but also the main ionospheric trough stratification. This stratification appears in some longitudinal sectors due to the periodical movements of the magnetospheric convection pattern relatively to the terminator position.

(in Russian, стр.7, fig. 3, tables. 0, ref 23, MS Word 95, MS Word 95 328 Kb)