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Temperature-Dependence Laws of Absorption Line Shape Parameters of the CO2 v3 Band

Wilzewski, Jonas and Birk, Manfred and Loos, Joep and Wagner, Georg (2018) Temperature-Dependence Laws of Absorption Line Shape Parameters of the CO2 v3 Band. Journal of Quantitative Spectroscopy and Radiative Transfer, 206, pp. 296-305. Elsevier. DOI: 10.1016/j.jqsrt.2017.11.021 ISSN 0022-4073

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Official URL: https://www.sciencedirect.com/science/article/pii/S0022407317308208


To improve the understanding of temperature-dependence laws of spectral line shape parameters, spectra of the v3 rovibrational band of CO2 perturbed by 10, 30, 100, 300 and 1000 mbar of N2 were recorded at nine temperatures between 190 K and 330 K using a 22 cm long single-pass absorption cell in a Bruker IFS125 HR Fourier Transform spectrometer. The spectra were fitted employing a quadratic speed-dependent hard collision model in the Hartmann-Tran implementation extended to account for line mixing in the Rosenkranz approximation by means of a multispectrum fitting approach developed at DLR. This enables high accuracy parameter retrievals to reproduce the spectra down to noise level and we present the behavior of line widths, shifts, speed-dependence-, collisional narrowing- and line mixing-parameters over this 140 K temperature range.

Item URL in elib:https://elib.dlr.de/115457/
Document Type:Article
Title:Temperature-Dependence Laws of Absorption Line Shape Parameters of the CO2 v3 Band
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wilzewski, JonasJonas.Wilzewski (at) dlr.dehttps://orcid.org/0000-0002-1392-2966
Birk, Manfredmanfred.birk (at) dlr.deUNSPECIFIED
Loos, Joepjoep.loos (at) dlr.deUNSPECIFIED
Wagner, Georggeorg.wagner (at) dlr.deUNSPECIFIED
Journal or Publication Title:Journal of Quantitative Spectroscopy and Radiative Transfer
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jqsrt.2017.11.021
Page Range:pp. 296-305
Keywords:Temperature dependence, Hartmann-Tran-Profile, Infrared line shape parameters
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):Vorhaben Spectroscopic Methods in Remote Sensing
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Loos, Joep
Deposited On:21 Nov 2017 14:18
Last Modified:06 Sep 2019 15:28

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