Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency

Tatiana Borisova; Nataly Blagoveshchenskaya; Alexey Kalishin

doi:10.12737/szf-92202312

UDC

SPECTRAL FEATURES OF IONOSPHERIC PLASMA WAVES EXCITED BY POWERFUL HF RADIO WAVES RADIATED AT FREQUENCIES NEAR ELECTRON GYROHARMONICS AND F2-LAYER CRITICAL FREQUENCY Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency

АА Аа

Published in Solnechno-Zemnaya Fizika · Pages 101–110 · Rubric: 18TH ANNUAL CONFERENCE “PLASMA PHYSICS IN THE SOLAR SYSTEM”. FEBRUARY 6–10, 2023, SPACE RESEARCH INSTITUTE RAS, MOSCOW, RUSSIA

DOI: https://doi.org/10.12737/szf-92202312

Received: 02.03.2023 Accepted: 02.05.2023 Published: 29.06.2023

Authors

Tatiana Borisova

ORCID

Nataly Blagoveshchenskaya

ORCID

Alexey Kalishin

ORCID

Tatiana Borisova

Academic degree: candidate of physical and mathematical sciences

Arctic and Antarctic Research Institute Russian Federation · St. Petersburg

ORCID

Nataly Blagoveshchenskaya

Academic degree: doctor of physical and mathematical sciences

Arctic and Antarctic Research Institute Russian Federation · St. Petersburg

ORCID

Alexey Kalishin

Academic degree: candidate of technical sciences

Arctic and Antarctic Research Institute Russian Federation · St. Petersburg

ORCID

ABSTRACT

We present the result of the studies into characteristics of high-latitude ionospheric F-region longitudinal plasma waves (Langmuir and ion-acoustic), caused by the impact of powerful HF radio waves of ordinary (O-mode) or extraordinary (X-mode) polarization of the EISCAT/Heating facility, Tromsø, Norway. The powerful HF radio waves on October 20, 2012 and February 26, 2013 were emitted in the direction of the magnetic zenith with a step change in the effective radiation power (ERP). The radiation frequency fH of the EISCAT/Heating facility on February 26, 2013 was close to the F2-layer critical frequency foF2 (fH/foF2~1) and exceeded the electron gyroresonance frequency fH>5fce. On October 20, 2012, the conditions fH/foF2~0.85–0.95 and fH<6fce were fulfilled. Analysis of EISCAT measurements of an incoherent scatter radar (ISR) at a frequency of 930 MHz, spatially aligned with the heating facility for radiation conditions ERP<200 MW, has shown that parametric decay instabilities are excited at the ionospheric heights where the pump frequency is close to the plasma Langmuir frequency, fH≈fPL. We have studied peculiarities of excitation of the decay parametric instabilities as a function of height in the ionosphere and pump wave polarization, the ratios between fH and foF2, and also fH and nfce.

KEYWORDS

high-latitude ionosphere, F-region, powerful HF radio wave, Langmuir wave, ion-acoustic wave, incoherent scatter, EISCAT

Funding

The work was financially supported by the Russian Science Foundation (Grant No. 22-17-00020) [https://rscf.ru/project/22-17-00020/]

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Editor-in-Chief

Geliy Zherebtsov

solater@iszf.irk.ru

Deputy Editor-in-Chief

Aleksandr Stepanov

stepanov@gaoran.ru

Deputy Editor-in-Chief

Alexander Potapov

potapov@iszf.irk.ru

Executive Secretary of Editorial Board

Natalia Polyushkina

npol@iszf.irk.ru

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Borisova T. D., Blagoveshchenskaya N. F., Kalishin A. S. Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency // Solnechno-Zemnaya Fizika. 2023. no. 2. pp. 101-110. DOI: https://doi.org/10.12737/szf-92202312. (Date of access 13.09.2026).

MLA

Tatiana Borisova, Blagoveshchenskaya N. F., Kalishin A. S.. "Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency." Solnechno-Zemnaya Fizika 9.2 (2023): 101-110. DOI: https://doi.org/10.12737/szf-92202312.

APA

Borisova T. D., Blagoveshchenskaya N. F., Kalishin A. S. (2023). Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency. Solnechno-Zemnaya Fizika, 9(2), 101-110. https://doi.org/10.12737/szf-92202312

Chicago

Tatiana Borisova, Blagoveshchenskaya N. F., Kalishin A. S.. "Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency." Solnechno-Zemnaya Fizika 9, no. 2 (2023): 101-110. https://doi.org/10.12737/szf-92202312.

WIKI

{{cite journal | author = Borisova T. D., Blagoveshchenskaya N. F., Kalishin A. S. | title = Spectral features of ionospheric plasma waves excited by powerful HF radio waves radiated at frequencies near electron gyroharmonics and F2-layer critical frequency | journal = Solnechno-Zemnaya Fizika | year = 2023 | volume = 9 | issue = 2 | pages = 101-110 | doi = 10.12737/szf-92202312 }}

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