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Article Dans Une Revue Annales Geophysicae Année : 2001

Observation of isotropic electron temperature in the turbulent E region

Résumé

Using EISCAT radar data, we find that electrons are strongly heated in the magnetic field-line direction during high electric field events. The remote site data show that the electron temperature increases in almost the same way in the field-perpendicular direction; electron heating by E region plasma turbulence is isotropic. We discuss the implications of our observation for the "plasmon"-electron as well as the wave Joule heating models of the anomalous electron heating in the E region.
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Dates et versions

hal-00316736 , version 1 (18-06-2008)

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  • HAL Id : hal-00316736 , version 1

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S. Saito, S. C. Buchert, S. Nozawa, R. Fujii. Observation of isotropic electron temperature in the turbulent E region. Annales Geophysicae, 2001, 19 (1), pp.11-15. ⟨hal-00316736⟩

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