Abstract

The results of the analysis of temporal changes in the aerosol optical thickness of the atmosphere, the factor of turbidity, cloudiness and incoming solar radiation near the Earth's surface in the north of the European Territory of Russia (ETR) based on observations of the Roshydromet actinometric network for 1976—2014 are presented. Trends of synchronous changes in the above parameters have been revealed, both for the entire observation period and in the post-volcanic period (1995—2014). Under conditions of the aerosol optical thickness (AOT) decreasing (an increasing of the transparency of the atmosphere) for average cloudiness, a neutral time dependence of the incoming radiation is observed. Comparison with the results at actinometric stations in the south of ETR was carried out.

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