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Atmospheric and Oceanic Optics

, Volume 28, Issue 2, pp 115–120 | Cite as

Water vapor continuum absorption in near-IR atmospheric windows

  • I. V. PtashnikEmail author
  • T. M. Petrova
  • Yu. N. Ponomarev
  • A. A. Solodov
  • A. M. Solodov
Spectroscopy of Ambient Medium

Abstract

The near-infrared water vapor absorption is measured in the 2000–8000 cm−1 spectral region. Spectra were recorded using an IFS 125 HR Fourier spectrometer at a temperature of 287 K and a spectral resolution of 0.03 cm−1. The water vapor continuum absorption spectrum is retrieved using the known absorption in the 2500 cm−1 region as a reference point. It is shown that the continuum absorptions in four windows differ by no more than 20% under investigation conditions. This contradicts the MT_CKD continuum model, which predicts a much stronger variability of the continuum in these windows.

Keywords

H2O continuum MT_CKD continuum atmospheric windows FTS spectroscopy 

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • I. V. Ptashnik
    • 1
    Email author
  • T. M. Petrova
    • 1
  • Yu. N. Ponomarev
    • 1
  • A. A. Solodov
    • 1
  • A. M. Solodov
    • 1
  1. 1.V.E. Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia

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