Vol. 4, issue 05, article # 18

Pavlov V.E., Teifel' Ya.A., Muldashev T.Z. On the possible effect of the Aitken nuclei on sky brightness in summer. // Atmospheric and oceanic optics. 1991. V. 4. No. 05. P. 555–561.
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The results of solving the radiative transfer equation by the method of spherical harmonics for the atmospheric model incorporating three aerosol fractions, namely, Aitken nuclei and the submicron and coarse fractions are analyzed. The independence of the absolute brightness phase function and the solar zenith angle, noticed by many observers at moderate and large scattering angles in the visible range results most probably from the gradual increase of the Aitken nuclei load during the morning hours and their subsequent decrease at afternoon.