Vol. 19, issue 10, article # 11

Nasrtdinov I.M., Zhuravleva T.B., Sakerin S.M. The clear sky brightness near the horizon: few-parameter models and comparison with experiment. // Atmospheric and oceanic optics. 2006. V. 19. No. 10. P. 804-810.
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Few-parameter descriptions of distribution of the near-horizon brightness fields are presented, which are based on model calculations for aerosol-gaseous spherical atmosphere. The results of numerical simulation are compared with experimental data. A new method of determination of the aerosol optical depth (AOD) from measurements of near-horizon sky brightness is suggested. The advantage of this method is that it does not require the absolute calibration of instruments: AOD is retrieved from relative measurements of the angular position of the sky brightness maximum.