Vol. 16, issue 03, article # 17

Voronin B. A., Nasrtdinov I. M., Serebrennikov A. B., Chesnokova T. Yu. Simulation of solar radiation transfer with the allowance for weak water vapor absorption lines under various aerosol conditions. // Atmospheric and oceanic optics. 2003. V. 16. No. 03. P. 272-276.    PDF
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Abstract:

At present there is a discrepancy between measured and calculated fluxes of solar radiation at the Earth's surface. According to recent investigations, this discrepancy correlates with column density of water vapor. The calculated contribution of numerous weak water vapor absorption lines, which are usually ignored in atmospheric radiation problems, to irradiance of the Earth's surface and sky spectral brightness is considered. Spatial-angular brightness was modeled in several spectral ranges of the near IR and visible regions at different sighting directions and sun positions. Irradiance of the Earth's surface was estimated in the range of 4000-20000 cm-1. The Monte Carlo method was used for calculations.