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Volume 14, issue 12
Ann. Geophys., 14, 1297–1304, 1996
https://doi.org/10.1007/s00585-996-1297-7
© European Geosciences Union 1996

Special issue: VIIIe EISCAT

Ann. Geophys., 14, 1297–1304, 1996
https://doi.org/10.1007/s00585-996-1297-7
© European Geosciences Union 1996

  31 Dec 1996

31 Dec 1996

Auroral ionospheric conductivities: a comparison between experiment and modeling, and theoretical f10.7-dependent model for EISCAT and ESR

J. Lilensten1, P. L. Blelly2, W. Kofman1, and D. Alcaydé2 J. Lilensten et al.
  • 1CEPHAG-ENSIEG, BP 46, 38402 Saint Martin d'Hères Cedex, France
  • 2CESR, 9 Avenue Claude Roche, 31029 Toulouse Cedex, France

Abstract. Several authors have published models of auroral conductances in the past. Some of them are based on theoretical approaches; others are the result of observations. The data bases for the latter models range from 8 h to 3 years of experiments. In this paper, we show the results of our own modeling, based on a coupled ki- netic/fluid approach. We compare these results to the sta- tistical model based on 3 years of experiment. We then model the auroral ionospheric conductances above EISCAT and the EISCAT-Svalbard Radar for different solar-activity indices. These modeled conductances are fitted with a simple law depending on the f10.7 index and on the solar zenith angle.

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