Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 6379–6394, 2020
Atmos. Chem. Phys., 20, 6379–6394, 2020

Research article 04 Jun 2020

Research article | 04 Jun 2020

Analysis of 24 years of mesopause region OH rotational temperature observations at Davis, Antarctica – Part 1: long-term trends

W. John R. French et al.

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Cited articles

Akmaev, R. A., Fomichev, V. I., and Zhu, X.: Impact of middle-atmospheric composition changes on greenhouse cooling in the upper atmosphere, J. Atmos. Sol.-Terr. Phys., 68, 1879–1889,, 2006. 
Ammosov, P., Gavrilyeva, G., Ammosova, A., and Koltovskoi, I.: Response of the mesopause temperatures to solar activity over Yakutia in 1999–2013, Adv. Sp. Res., 54, 2518–2524,, 2014. 
Azeem, S. M. I., Sivjee, G. G., Won, Y.-I., and Mutiso, C.: Solar cycle signature and secular long-term trend in OH airglow temperature observations at South Pole, Antarctica, J. Geophys. Res.-Sp. Phys., 112, A01305,, 2007. 
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Beig, G.: Long-term trends in the temperature of the mesosphere/lower thermosphere region: 1. Anthropogenic influences, J. Geophys. Res.-Sp. Phys., 116, A00H11,, 2011a. 
Short summary
In this study, we analyse 24 years of atmospheric temperatures from the mesopause region (~87 km altitude) derived from ground-based spectrometer observations of hydroxyl airglow at Davis station, Antarctica (68° S, 78° E). These data are used to quantify the effect of the solar cycle and the long-term trend due to increasing greenhouse gas emissions on the atmosphere at this level. A record-low winter-average temperature is reported for 2018 and comparisons are made with satellite observations.
Final-revised paper