Vol. 14, issue 09, article # 7

Voronin B. A., Serebrennikov A. B., Chesnokova T. Yu. Estimation of the role of weak water vapor absorption lines in solar radiation transfer. // Atmospheric and oceanic optics. 2001. V. 14. No. 09. P. 718-721.    PDF
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Abstract:

The contribution of weak water vapor absorption lines to extinction of solar radiation in the gas-aerosol atmosphere is calculated with the use of a new version of HITRAN database and ab initio calculation of Partridge and Schwenke. Almost all "new" lines neglected in the previous version of the HITRAN database are weak, but their total contribution to extinction of the solar radiation may reach 1% along vertical atmospheric paths. The contribution of weak lines is essential in atmospheric microwindows, where it can achieve several percent. It is concluded that weak water vapor lines should be taken into account along with the water vapor continuum when estimating the radiative balance.