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Titel |
Observation of isotropic electron temperature in the turbulent E region |
VerfasserIn |
S. Saito, S. C. Buchert, S. Nozawa, R. Fujii |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
0992-7689
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Digitales Dokument |
URL |
Erschienen |
In: Annales Geophysicae ; 19, no. 1 ; Nr. 19, no. 1, S.11-15 |
Datensatznummer |
250014172
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Publikation (Nr.) |
copernicus.org/angeo-19-11-2001.pdf |
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Zusammenfassung |
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.
Key words. Ionosphere (auroral ionosphere; plasma
temperature and density; plasma waves and instabilities) |
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