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Broadening and Shift Coefficients of H2O Absorption Lines in the 8650–9020 cm–1 Spectral Region

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Abstract

The broadening and shift coefficients of H2O absorption lines are compared for Ar, He, H2, and N2 buffer gases. The broadening and shift coefficients were derived from the analysis of the absorption spectra recorded with an FTIR spectrometer in the spectral region 8650–9020 cm−1 with a spectral resolution of 0.01 cm–1. Using two model line profiles (Voigt and speed-dependent Voigt profiles) the parameters of the H2O absorption lines were calculated. It is shown that the speed-dependent Voigt profile provides better agreement with experimental data.

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Funding

The work was supported by the Russian Foundation for Basic Research (grant no. 18-45-700011r_a).

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Authors and Affiliations

  1. V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    V. M. Deichuli, T. M. Petrova, Yu. N. Ponomarev, A. M. Solodov & A. A. Solodov

  2. Tomsk State University, 634050, Tomsk, Russia

    V. M. Deichuli

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  1. V. M. Deichuli
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  2. T. M. Petrova
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  3. Yu. N. Ponomarev
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  4. A. M. Solodov
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  5. A. A. Solodov
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Correspondence to T. M. Petrova or A. A. Solodov.

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Translated by O. Ponomareva

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Deichuli, V.M., Petrova, T.M., Ponomarev, Y.N. et al. Broadening and Shift Coefficients of H2O Absorption Lines in the 8650–9020 cm–1 Spectral Region. Atmos Ocean Opt 32, 499–505 (2019). https://doi.org/10.1134/S1024856019050063

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  • DOI: https://doi.org/10.1134/S1024856019050063

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