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Title:Hitran2020: Act (accuracy, Completeness, Traceability)
Author(s):Gordon, Iouli E
Contributor(s):Hill, Christian; Kochanov, Roman; Tan, Yan; Karman, Tijs; Nelson, Kyle; Conway, Eamon K; Finenko, Artem; Skinner, Frances M; Karlovets, Ekaterina; Hashemi, Robab; Hargreaves, Robert J.; Rothman, Laurence S.
Subject(s):Linelists
Abstract:The HITRAN2020 database will be publicly released this year. It is a coordinated effort of experimentalists, theoreticians, atmospheric and planetary scientists who measure, calculate and validate the HITRAN data. The lists for most of the HITRAN molecules in the line-by-line section were updated in comparison with the previous compilation HITRAN2016\footnote{Gordon et al., (2017). JQSRT. 203, 3–69.}. The extent of the updates ranges from updating a few lines of certain molecules to complete replacements of the lists and introducing additional isotopologues. Six new molecules (SO, CH$_{3}$F, GeH$_{4}$, CS$_{2}$, CH$_{3}$I, and NF$_{3}$) were also added to HITRAN. In addition, the accuracy of the parameters for major atmospheric absorbers has been increased, often featuring sub-percent uncertainties. The number of parameters was also increased significantly, now incorporating, for instance, non-Voigt line profiles for many gases; broadening by water vapor\footnote{Tan et al., (2019) J. Geophys. Res. Atmos. 2019JD030929.}; update of collision-induced absorption sets\footnote{Karman et al., (2019) Icarus 328, 160–175.}. The new edition will continue taking advantage of the modern structure and interface available at www.hitran.org and the HITRAN Application Programming Interface\footnote{Kochanov et al., ( 2016) JQSRT. 177, 15–30.}. Their functionality has been extended for the new edition. This talk will provide a brief overview of HITRAN2020\footnote{This work is supported by NASA.} and its main improvements with respect to the previous edition.
Issue Date:2021-06-22
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/111519
Date Available in IDEALS:2021-09-24


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