Photodetachment rates for O⁻ and O₂⁻  in the D layer of the ionosphere as function of solar zenith angle and solar activity

Stanislav Kozlov; Andrey Lyakhov

doi:10.12737/stp-94202312

UDC 55

PHOTODETACHMENT RATES FOR O⁻ AND O₂⁻ IN THE D LAYER OF THE IONOSPHERE AS FUNCTION OF SOLAR ZENITH ANGLE AND SOLAR ACTIVITY Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity

АА Аа

Published in Solar-Terrestrial Physics · Volume 9, Issue 4 · Pages 95–98 · Rubric: Results of current research

DOI: https://doi.org/10.12737/stp-94202312

Received: 03.07.2023 Accepted: 05.09.2023 Published: 28.12.2023 Language of publication: ENG

Authors

Stanislav Kozlov

Andrey Lyakhov

Stanislav Kozlov

Academic degree: doctor of physical and mathematical sciences

Central Research Institute of Aerospace Forces, Ministry of Defense of the Russian Federation Russian Federation · Moscow

Sadovsky Institute of Geosphere Dynamics RAS Russian Federation · Moscow

Andrey Lyakhov

Academic degree: candidate of technical sciences

Sadovsky Institute of Geosphere Dynamics RAS Russian Federation · Moscow

ABSTRACT

We present the results of calculation of photodetachment rates for negative ions in the D layer of the ionosphere, using recent photodetachment cross-section measurements. The calculations have been made for the standard atmosphere by means of the TUV (Terrestrial UltraViolet) code. We have obtained dependences of the photodetachment rates on altitude and solar zenith angle. The nonlinear nature of these dependences causes similar variations in the role of the photodetachement processes with altitude and solar zenith angle as compared to other processes in the middle atmosphere and the lower ionosphere, especially under terminator conditions. Calculations with solar spectrum for 2011–2020 for the summer/winter solstice and the spring/autumn equinox have shown no quantitative difference between the photodetachement rates for ions in the D layer of the ionosphere.

KEYWORDS

ionosphere, D layer, photodetachment

Funding

The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation (FNWM-2022-0021)

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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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GOST

Kozlov S. I., Lyakhov A. N. Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity // Solar-Terrestrial Physics. 2023. no. 4. pp. 95-98. DOI: https://doi.org/10.12737/stp-94202312. (Date of access 25.10.2026).

MLA

Stanislav Kozlov, Lyakhov A. N.. "Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity." Solar-Terrestrial Physics 9.4 (2023): 95-98. DOI: https://doi.org/10.12737/stp-94202312.

APA

Kozlov S. I., Lyakhov A. N. (2023). Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity. Solar-Terrestrial Physics, 9(4), 95-98. https://doi.org/10.12737/stp-94202312

Chicago

Stanislav Kozlov, Lyakhov A. N.. "Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity." Solar-Terrestrial Physics 9, no. 4 (2023): 95-98. https://doi.org/10.12737/stp-94202312.

WIKI

{{cite journal | author = Kozlov S. I., Lyakhov A. N. | title = Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity | journal = Solar-Terrestrial Physics | year = 2023 | volume = 9 | issue = 4 | pages = 95-98 | doi = 10.12737/stp-94202312 }}

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PHOTODETACHMENT RATES FOR O⁻ AND O₂⁻ IN THE D LAYER OF THE IONOSPHERE AS FUNCTION OF SOLAR ZENITH ANGLE AND SOLAR ACTIVITY Photodetachment rates for O⁻ and O₂⁻ in the D layer of the ionosphere as function of solar zenith angle and solar activity

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