Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 16
Articles | Volume 17, issue 16
https://doi.org/10.5194/acp-17-9751-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-9751-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 16
Research article
 | 
18 Aug 2017
Research article |  | 18 Aug 2017

Resolving the mesospheric nighttime 4.3 µm emission puzzle: comparison of the CO2(ν3) and OH(ν) emission models

Peter A. Panka, Alexander A. Kutepov, Konstantinos S. Kalogerakis, Diego Janches, James M. Russell, Ladislav Rezac, Artem G. Feofilov, Martin G. Mlynczak, and Erdal Yiğit

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Results of non-LTE model calculations for nighttime OH and CO2 P. A. Panka and A. A. Kutepov https://doi.org/10.17605/OSF.IO/Q82VD

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Short summary
Recently, theoretical and laboratory studies have suggested an additional nighttime channel of transfer of vibrational energy of OH molecules to CO2 in the mesosphere and lower thermosphere (MLT). We show that new mechanism brings modelled 4.3 μm emissions very close to the SABER/TIMED measurements. This renders new opportunities for the application of the CO2 4.3 μm observations in the study of the energetics and dynamics of the nighttime MLT.
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