Parametric instability induced by X-mode Heating at EISCAT

In this paper, we present results of parametric instability induced by X-mode wave heating observed by EISCAT (European Incoherent Scatter Scientific Association) radar at Tromsø, Norway. Three typical X-mode ionospheric heating experiments on October 22, 2013, October 19, 2012 and February 21, 2013...

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Bibliographic Details
Published in:Journal of Geophysical Research: Space Physics
Main Authors: Wang, Xiang, Zhou, Chen, Honary, Farideh, Ni, Binbin, Zhao, Zhengyu
Format: Article in Journal/Newspaper
Language:English
Published: 2016
Subjects:
Langmuir
Norway
Tromsø
EISCAT
Online Access:https://eprints.lancs.ac.uk/id/eprint/82109/
https://eprints.lancs.ac.uk/id/eprint/82109/1/Wang_et_al_2016_Journal_of_Geophysical_Research_Space_Physics.pdf
https://doi.org/10.1002/2016JA023070
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Summary:In this paper, we present results of parametric instability induced by X-mode wave heating observed by EISCAT (European Incoherent Scatter Scientific Association) radar at Tromsø, Norway. Three typical X-mode ionospheric heating experiments on October 22, 2013, October 19, 2012 and February 21, 2013 are investigated in details. Both parametric decay instability (PDI) and oscillating two-stream instability (OTSI) are observed during the X-mode heating period. We suggest that the full dispersion relationship of the Langmuir wave can be employed to analyze the X-mode parametric instability excitation. Parallel electric field component of X-mode heating wave can also exceed the parametric instability excitation threshold under certain conditions.

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