Comparison of optical and microphysical properties of the atmospheric aerosol from the data of SP-6 and CE-318 solar photometers

Results of a comparison of synchronous measurements of the aerosol optical thickness with SP-6 and CE-318 solar photometers with the microstructure parameters reconstructed by solving the inverse problem are presented. Measurements were performed in Tomsk during one year. The volume concentration and the average particle radius integrated over the entire thickness of the atmosphere were considered as aerosol microstructure parameters. These parameters were estimated both for the particle ensemble and for individual aerosol fractions, submicron and coarse ones. The satisfactory agreement of the parameters being compared is demonstrated. Possible reasons for the established discrepancies are discussed.