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F-region electron heating by X-mode radiowaves in underdense conditions
KTH, School of Electrical Engineering (EES), Space and Plasma Physics.ORCID iD: 0000-0003-2422-5426
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2009 (English)In: Annales Geophysicae, ISSN 0992-7689, E-ISSN 1432-0576, Vol. 27, no 6, 2585-2592 p.Article in journal (Refereed) Published
Abstract [en]

Observations of modifications of the electron temperature in the F-region produced by powerful high frequency radiowaves at 4.04 MHz transmitted in X-mode are presented. The experiments were performed during quiet nighttime conditions with low ionospheric densities so no reflections occurred. Electron temperature enhancements of the order of 300-400K were obtained. Numerical simulation of ohmic heating by the pump wave reproduces both altitude profiles and temporal dependence of the temperature modifications in the experiments.

Place, publisher, year, edition, pages
2009. Vol. 27, no 6, 2585-2592 p.
Keyword [en]
Ionosphere, Wave propagation, Radio science, Ionospheric propagation, Waves in plasma, induced ionospheric modifications, pump-enhanced airglow, eiscat, observations, optical-emissions, thermal response, energy transfer, hf, plasma, waves, temperatures
URN: urn:nbn:se:kth:diva-18561ISI: 000267543600031ScopusID: 2-s2.0-76149133102OAI: diva2:336608
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Ivchenko, Nickolay V.
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