RADIO PHYSICS AND RADIO ASTRONOMY

The results are presented of the weekly periodicity search in the behavior of the aerosol optical thickness measured at the wavelengths of 440 and 870 nm, Angstrom parameter (440/870) and the precipitable water vapor in the atmosphere for five European cities. The analysis was made with the AERONET network data for the 2009–2011 period. The studies confirmed the weekend-effect presence in all analyzed parameters behavior with maximum values on Thursday–Saturday.

Key words: weekend-effect, aerosols, aerosol optical thickness, precipitable water, Angstrom parameter, anthropogenic impact

Manuscript submitted 20.01.2015

Radio phys. radio astron. 2015, 20(2): 109-121

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