Solar-Terrestrial Physics Solar-Terrestrial Physics Solar-Terrestrial Physics 2500-0535 52246 10.12737/stp-84202209 Results of current research Results of current research Results of current research Wave activity of the mesosphere in the planetary wave range according to OH (3-1) emission observations at Maimaga and Tiksi stations for 2015–2020 Wave activity of the mesosphere in the planetary wave range according to OH (3-1) emission observations at Maimaga and Tiksi stations for 2015–2020 Сивцева Вера Исаевна Sivtseva Vera Isaevna verasivtseva@gmail.com Аммосов Петр Петрович Ammosov Petr Petrovich

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Гаврильева Галина Алексеевна Gavrilieva Galina Alekseevna gagavrilyeva@ikfia.ysn.ru Аммосова Анастасия Михайловна Ammosova Anastasiya Mihaylovna ammosovaam@mail.ru

кандидат физико-математических наук;

candidate of physical and mathematical sciences;

 Колтовской Игорь Иннокентьевич Koltovskoi Igor Innokentyevich Институт космофизических исследований и аэрономии им. Ю. Г. Шафера СО РАН Якутск Россия Institute of Cosmophysical Research and Aeronomy, SB RAS Yakutsk Russian Federation Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН Якутск Россия Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS Yakutsk Russian Federation Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН Якутск Россия Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS Yakutsk Russian Federation Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН Якутск Россия Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy of SB RAS Yakutsk Russian Federation Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН Якутск Россия Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS Yakutsk Russian Federation 24 12 2022 24 12 2022 8 4 89 94 08 07 2022 28 10 2022 https://zh-szf.ru/en/nauka/article/52246/view

The article compares the interannual variability of the atmosphere at the OH glow height, which can be associated with planetary wave propagation, at stations spaced in latitude. As a characteristic reflecting planetary wave activity we consider standard deviations of the average overnight temperature σpw from its monthly average after taking into account the seasonal variation. Joint mesopause temperature measurements at high latitudes at two optical stations Maimaga (63.04° N, 129.51° E) and Tiksi (71.58° N, 128.77° E) began in 2015. The stations are equipped with identical Shamrock (Andor) high image quality infrared spectrographs for registration of OH (3-1) in the near infrared region (~1.5 μm). The main result of studying the planetary wave activity during the 5-year period of simultaneous observations is that at Tiksi station it slightly (by about 1–2 K) exceeds that at Maimaga station. In average annual activity fluctuations, the presence of quasi-biennial oscillations is traced.

The article compares the interannual variability of the atmosphere at the OH glow height, which can be associated with planetary wave propagation, at stations spaced in latitude. As a characteristic reflecting planetary wave activity we consider standard deviations of the average overnight temperature σpw from its monthly average after taking into account the seasonal variation. Joint mesopause temperature measurements at high latitudes at two optical stations Maimaga (63.04° N, 129.51° E) and Tiksi (71.58° N, 128.77° E) began in 2015. The stations are equipped with identical Shamrock (Andor) high image quality infrared spectrographs for registration of OH (3-1) in the near infrared region (~1.5 μm). The main result of studying the planetary wave activity during the 5-year period of simultaneous observations is that at Tiksi station it slightly (by about 1–2 K) exceeds that at Maimaga station. In average annual activity fluctuations, the presence of quasi-biennial oscillations is traced.

 planetary waves mesopause region hydroxyl planetary waves mesopause region hydroxyl Organization, compilation, and accumulation of the data archive were financially supported by RSF No. 22-27-20137; statistical data processing, by RSF (Grant No. 22-77-1008); data analysis and interpretation, by Research and Educational Foundation for Support of Young Scientists of the Republic of Sakha (Yakutia), No. 1423122021 and under Government assignment (State Registration Number 122011700182-1) Organization, compilation, and accumulation of the data archive were financially supported by RSF No. 22-27-20137; statistical data processing, by RSF (Grant No. 22-77-1008); data analysis and interpretation, by Research and Educational Foundation for Support of Young Scientists of the Republic of Sakha (Yakutia), No. 1423122021 and under Government assignment (State Registration Number 122011700182-1)

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