Investigation of the variability of stratospheric filling by background aerosol over Tomsk in 2017 based on lidar sounding

摘要

Experimental data on the variability of the aerosol vertical-temporal structure obtained by the lidar complex of the SmallLidar Station of IAO SB RAS in 2017 are analyzed in this paper. An array of 61 total signals accumulated duringseparate nights were used as the primary information for analysis. The range of sounded altitude was from 10 to 50-60km, the spatial resolution was 192m, the accumulation time of the total signal was 2 hours. According to the results ofobservations, as in previous years, a high aerosol content in the lower stratosphere was recorded in winter, as well as itspractical absence in the warm season. In the upper stratosphere (30-50 km) there is no background aerosol throughout theyear.