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    Rights statement: © 2013 The Authors. Journal of Geophysical Research: Space Physics published by Wiley on behalf of American Geophysical Union This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT

Research output: Contribution to journalJournal article

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The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT. / Bryers, Carl; Kosch, Michael; Senior, Andrew; Rietveld, M. T.; Yeoman, T. K.

In: Journal of Geophysical Research: Space Physics, Vol. 118, No. 11, 11.2013, p. 7472-7481.

Research output: Contribution to journalJournal article

Harvard

Bryers, C, Kosch, M, Senior, A, Rietveld, MT & Yeoman, TK 2013, 'The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT', Journal of Geophysical Research: Space Physics, vol. 118, no. 11, pp. 7472-7481. https://doi.org/10.1002/2013JA019429

APA

Bryers, C., Kosch, M., Senior, A., Rietveld, M. T., & Yeoman, T. K. (2013). The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT. Journal of Geophysical Research: Space Physics, 118(11), 7472-7481. https://doi.org/10.1002/2013JA019429

Vancouver

Bryers C, Kosch M, Senior A, Rietveld MT, Yeoman TK. The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT. Journal of Geophysical Research: Space Physics. 2013 Nov;118(11):7472-7481. https://doi.org/10.1002/2013JA019429

Author

Bryers, Carl ; Kosch, Michael ; Senior, Andrew ; Rietveld, M. T. ; Yeoman, T. K. / The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT. In: Journal of Geophysical Research: Space Physics. 2013 ; Vol. 118, No. 11. pp. 7472-7481.

Bibtex

@article{c3c55e62e5074db5920a8db9ecfe8621,
title = "The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT",
abstract = "We test the existing theories regarding the thresholds for the parametric decay instability (PDI), the oscillating two-steam instability (OTSI), and the thermal parametric instability (TPI) using the European Incoherent Scatter (EISCAT) facility's ionospheric heater. In these processes, the pump wave can couple to various electrostatic waves in the F layer ionosphere, which can be observed using the EISCAT UHF radar (PDI and OTSI) or by HF radar (TPI). On 19 October 2012, the heater power was stepped from ∼0.5 MW to ∼100 MW effective radiated power in seven steps using a 1 min on, 1 min off cycle. We use an electric field model, taking into account D region absorption, to compare theory with our observations. In all three cases, we find good agreement. In addition, the growth of striations formed during the TPI causes anomalous absorption of the heater wave, which we observe as decreased UHF ion line and plasma line backscatter power. We show evidence that heating for a prolonged period of time reduces the UHF ion line intensity throughout the experiment.",
keywords = "ionosphere, heating , instabilities",
author = "Carl Bryers and Michael Kosch and Andrew Senior and Rietveld, {M. T.} and Yeoman, {T. K.}",
note = "{\textcopyright} 2013 The Authors. Journal of Geophysical Research: Space Physics published by Wiley on behalf of American Geophysical Union This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.",
year = "2013",
month = nov
doi = "10.1002/2013JA019429",
language = "English",
volume = "118",
pages = "7472--7481",
journal = "Journal of Geophysical Research: Space Physics",
issn = "2169-9402",
publisher = "Blackwell Publishing Ltd",
number = "11",

}

RIS

TY - JOUR

T1 - The thresholds of ionospheric plasma instabilities pumped by high-frequency radio waves at EISCAT

AU - Bryers, Carl

AU - Kosch, Michael

AU - Senior, Andrew

AU - Rietveld, M. T.

AU - Yeoman, T. K.

N1 - © 2013 The Authors. Journal of Geophysical Research: Space Physics published by Wiley on behalf of American Geophysical Union This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PY - 2013/11

Y1 - 2013/11

N2 - We test the existing theories regarding the thresholds for the parametric decay instability (PDI), the oscillating two-steam instability (OTSI), and the thermal parametric instability (TPI) using the European Incoherent Scatter (EISCAT) facility's ionospheric heater. In these processes, the pump wave can couple to various electrostatic waves in the F layer ionosphere, which can be observed using the EISCAT UHF radar (PDI and OTSI) or by HF radar (TPI). On 19 October 2012, the heater power was stepped from ∼0.5 MW to ∼100 MW effective radiated power in seven steps using a 1 min on, 1 min off cycle. We use an electric field model, taking into account D region absorption, to compare theory with our observations. In all three cases, we find good agreement. In addition, the growth of striations formed during the TPI causes anomalous absorption of the heater wave, which we observe as decreased UHF ion line and plasma line backscatter power. We show evidence that heating for a prolonged period of time reduces the UHF ion line intensity throughout the experiment.

AB - We test the existing theories regarding the thresholds for the parametric decay instability (PDI), the oscillating two-steam instability (OTSI), and the thermal parametric instability (TPI) using the European Incoherent Scatter (EISCAT) facility's ionospheric heater. In these processes, the pump wave can couple to various electrostatic waves in the F layer ionosphere, which can be observed using the EISCAT UHF radar (PDI and OTSI) or by HF radar (TPI). On 19 October 2012, the heater power was stepped from ∼0.5 MW to ∼100 MW effective radiated power in seven steps using a 1 min on, 1 min off cycle. We use an electric field model, taking into account D region absorption, to compare theory with our observations. In all three cases, we find good agreement. In addition, the growth of striations formed during the TPI causes anomalous absorption of the heater wave, which we observe as decreased UHF ion line and plasma line backscatter power. We show evidence that heating for a prolonged period of time reduces the UHF ion line intensity throughout the experiment.

KW - ionosphere

KW - heating

KW - instabilities

U2 - 10.1002/2013JA019429

DO - 10.1002/2013JA019429

M3 - Journal article

VL - 118

SP - 7472

EP - 7481

JO - Journal of Geophysical Research: Space Physics

JF - Journal of Geophysical Research: Space Physics

SN - 2169-9402

IS - 11

ER -