Water vapor line broadening and shifting by air in the 26,000-13,000 cm-1 region
Earth and related Environmental sciences
Fourier transform infrared spectroscopy
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Considering the unique role that water in its vapor phase plays in atmospheric physical and chemical processes, there is a need for accurate spectroscopic parameters for this molecule. Long-pathlength Fourier transform spectra of water vapor with synthetic air as the perturbing gas were recorded and analyzed in the 26,000-13,000 cm-1 spectral region. New measurements of air-broadening and air-shifting parameters, with associated uncertainties are presented for about 5000 lines. These data complement our existing database, providing a homogeneous and extensive dataset extending from 26,000 to 9250 cm-1. Comparisons with the two most frequently used HITRAN and ESA databases as well as with other literature data available are made. Agreements and discrepancies are underlined and briefly discussed.
CitationFally, S.; Coheur, P.-F.; Carleer, M.; Clerbaux, C.; Colin, R.; Jenouvrier, A.; Mérienne, M.-F.; Hermans, C.; Vandaele, A.C. (2003). Water vapor line broadening and shifting by air in the 26,000-13,000 cm-1 region. , Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 82, Issue 1-4, 119-131, DOI: 10.1016/S0022-4073(03)00149-3.