The analysis of aerosol optical thickness variations of Tory atmosphere from 2012-2019 using the CE-318 sun photometer (AERONET) is carried out. It is revealed that station Tory is subject to strong smoke from forest fires in the spring-summer period, which largely determine the spectral course of aerosol optical depth. The distribution of aerosol particles in size showed that in the spring and summer months the proportion of subfraction aerosol is high. In addition, the paper presents the results of a comparative analysis of the ultrafine aerosol obtained using an aerosol diffusion spectrometer in the spring-summer period in Lake Baikal coastal zone.
The results of ultrafine aerosol measurements in the atmosphere of South-Eastern coast of the Lake Baikal in summer 2019 are presented. The daily variation of aerosol concentration was established, which is characterized by an increase of concentration in the daytime and evening hours. The average value of total number concentration of ultrafine aerosol during the observation period was 2150 particles/cm3. It is shown that the position of modal diameter in particle size distribution changes depending on the ambient air temperature.
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