CDSD-296, high resolution carbon dioxide spectroscopic databank: Version for atmospheric applications

We present an atmospheric version, CDSD-296, of the carbon dioxide spectroscopic databank (CDSD). The databank contains the calculated line parameters (positions, intensities, air- and self-broadened half-widths, coefficients of temperature dependence of air-broadened half-widths and air pressure-in...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 2015-02, Vol.152, p.45-73
Main Authors: Tashkun, S.A., Perevalov, V.I., Gamache, R.R., Lamouroux, J.
Format: Article
Language:English
Subjects:
Atmospherics
Carbon dioxide
CDSD
CO2
Databanks
Dipole moment
Earth׳s atmosphere
GEISA
HITRAN
Line parameters
Mathematical models
Operators
Position measurement
Spectroscopy
Temperature dependence
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Summary:We present an atmospheric version, CDSD-296, of the carbon dioxide spectroscopic databank (CDSD). The databank contains the calculated line parameters (positions, intensities, air- and self-broadened half-widths, coefficients of temperature dependence of air-broadened half-widths and air pressure-induced line shifts) of the twelve stable isotopic species of CO2. The reference temperature is Tref=296K and the intensity cutoff is Icut=10−30cm−1/(moleculecm−2). More than 500,000 lines covering the 6–14,075cm−1 spectral range are included in CDSD-296. The databank has been generated within the framework of the method of effective operators and based on the global weighted fits of spectroscopic parameters (parameters of the effective Hamiltonians and effective dipole moment operators) to observed data collected from the literature. The fitted models are able to reproduce known measured positions and intensities with accuracies compatible with measurement uncertainties. The line-shape parameters originate from the recent theoretical and semi-empirical calculations. Comparisons of CDSD-296 with HITRAN-2012, GEISA-2011, and the AMES line lists are also given. [Display omitted] •CDSD-296 is aimed at atmospheric applications.•CDSD-296 contains data of all 12 stable CO2 isotopologues.•CDSD-296 is based on global fits of measured line positions and intensities.•CDSD-296 contains calculated line parameters for the 6–14,075cm−1 spectral range.
ISSN:0022-4073
1879-1352
DOI:10.1016/j.jqsrt.2014.10.017