Effect of water vapour absorption on hydroxyl temperatures measured from Svalbard

We model absorption by atmospheric water vapour of hydroxyl airglow emission using the HIgh-resolution TRANsmission molecular absorption database (HITRAN2012). Transmission coefficients are provided as a function of water vapour column density for the strongest OH Meinel emission lines in the (8–3),...

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Bibliographic Details
Published in:Annales geophysicae (1988) 2017-03, Vol.35 (3), p.481-491
Main Authors: Chadney, Joshua M, Whiter, Daniel K, Lanchester, Betty S
Format: Article
Language:English
Subjects:
Absorption
Airglow
Atmospheric absorption
Atmospheric water
Atmospheric water vapor
Coefficients
Emission
Emission lines
Hydroxides
Molecular absorption
Rotational spectra
Temperature
Water vapor
Water vapor content
Water vapour
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Summary:We model absorption by atmospheric water vapour of hydroxyl airglow emission using the HIgh-resolution TRANsmission molecular absorption database (HITRAN2012). Transmission coefficients are provided as a function of water vapour column density for the strongest OH Meinel emission lines in the (8–3), (5–1), (9–4), (8–4), and (6–2) vibrational bands. These coefficients are used to determine precise OH(8–3) rotational temperatures from spectra measured by the High Throughput Imaging Echelle Spectrograph (HiTIES), installed at the Kjell Henriksen Observatory (KHO), Svalbard. The method described in this paper also allows us to estimate atmospheric water vapour content using the HiTIES instrument.
ISSN:1432-0576
0992-7689
1432-0576
DOI:10.5194/angeo-35-481-2017