Abstract
Measurements onboard Cluster satellites are briefly described, which form the base for determining the intensity and direction of the electric field in the magnetosphere. The aim of this paper is to describe (1) the methodology of calculating the potential distribution at the ionospheric level and the results of constructing spatiotemporal convection patterns for different orientations of the IMF vector in the GSM YZ plane; (2) derivation of basic convection patterns (BCPs), which allow to deduce the statistical ionospheric convection pattern at high latitudes for any IMF Bz and By values (statistical convection model) using different sets of independent data; (3) the consequences of enlarging the amount of data used for analysis; (4) the results of potential calculations with various orders of the spherical harmonics describing them; (5) determination of the cross-polar cap potential with different IMF sector widths (α from 45° down to 10°); (6) the results of our trials to determine the contribution of the IMF Bx component to the convection pattern.
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Original Russian Text © M. Förster, Y.I. Feldstein, L.I. Gromova, L.A. Dremukhina, A.E. Levitin, S.E. Haaland, 2013, published in Geomagnetizm i Aeronomiya, 2013, Vol. 53, No. 1, pp. 91–101.
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Förster, M., Feldstein, Y.I., Gromova, L.I. et al. Some aspects of modelling the high-latitude ionospheric convection from Cluster/Edi data. Geomagn. Aeron. 53, 85–95 (2013). https://doi.org/10.1134/S001679321301009X
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DOI: https://doi.org/10.1134/S001679321301009X