Comparison between seasonal variations in tidal and internal gravity wave activity as derived from observations at Maimaga and Tiksi-Reference-Cited by-同舟云学术

Comparison between seasonal variations in tidal and internal gravity wave activity as derived from observations at Maimaga and Tiksi

Published:2018-06-29 Issue:2 Volume:4 Page:109-115
ISSN:2412-4737
Container-title:Solnechno-Zemnaya Fizika
language:en
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Author:

Сивцева Вера¹,Sivtseva Vera²,Аммосов Петр³,Ammosov Petr⁴,Гаврильева Галина³,Gavrilyeva Galina⁴,Колтовской Игорь³,Koltovskoi Igor⁴,Аммосова Анастасия³,Ammosova Anastasiya⁴

Affiliation:

1. Институт космофизических исследований и аэрономии им. Ю. Г. Шафера СО РАН

2. Institute of Cosmophysical Research and Aeronomy, SB RAS

3. Институт космофизических исследований и аэрономии им. Ю.Г. Шафера СО РАН

4. Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy SB RAS

Abstract

Since 2015, simultaneous observations of temperature of the high-latitude mesopause (87 km) have been made at Maimaga (63.04° N, 129.51° E) and Tiksi (71.58° N, 128.77° E) stations. These stations record spectra with Shamrock (Andor) photosensitive infrared spectrographs detecting the OH (3, 1) band in the near-infrared region (about 1.5 μm). We analyze temperature data obtained in observation seasons from 2015 to 2017. Standard deviations of temperature σ from its mean values are taken as characteristics of wave activity at night. We have obtained standard temperature deviations corresponding to internal gravity waves (IGW) (σgw) and tidal waves (σtd). Mean night rotational temperatures of hydroxyl emission almost coincide, and seasonal variations of gravity and tidal waves have a similar form during two seasons of simultaneous observations at Tiksi and Maimaga.

Publisher

Infra-M Academic Publishing House

Subject

Space and Planetary Science,Atmospheric Science,Geophysics

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1. COMPARISON OF WAVE ACTIVITY IN THE MESOPAUSE REGION AT MAIMAGA STATION WITH EOS MLS (AURA) TEMPERATURE DATA AND ACTIVITY OF PLANETARY WAVES AT TIKSI STATION;Вестник КРАУНЦ. Физико-математические науки;2019-12-25