First CRDS-measurements of water vapour continuum in the 940 nm absorption band |
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| Authors: | L Reichert JP Burrows KM Firsov |
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| Institution: | a Institute of Environmental Physics, University of Bremen, Otto Hahn Allee, 1, 28359 Bremen, Germany
b Institute of Atmospheric Optics SB RAS, Akademichesky 1, 634055 Tomsk, Russia |
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| Abstract: | Measurements of near-infrared water vapour continuum using continuous wave cavity ring down spectroscopy (cw-CRDS) have been performed at around 10611.6 and  . The continuum absorption coefficients for N2-broadening have been determined to be  and  at  , and  and  at  , respectively.These results represent the first near-IR continuum laboratory data determined within the complex spectral environment in the 940 nm water vapour band and are in reasonable agreement with simulations using the semiempirical CKD formulation. |
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| Keywords: | Water vapour continuum CKD continuum model Near-IR CRDS measurements |
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