Impacts of Aerosol Chemical Composition on Cloud Condensation Nuclei (CCN) Activity during Wintertime in Beijing, China
Quan Liu,
Xiaojing Shen,
Lei Li
et al.
Abstract:The cloud condensation nuclei (CCN) activity and aerosol chemical composition were concurrently measured via a scanning mobility CCN analyzer (SMCA) and an Aerodyne Time-of-Flight Aerosol Chemical Speciation Monitor (ACSM), respectively, during wintertime 2022 in Beijing, China. During the observation period, the mean CCN number concentrations ranged from 1345 ± 1270 cm−3 at SS = 0.1% to 3267 ± 2325 cm−3 at SS = 0.3%. The mean critical activation diameters (D50) at SS = 0.1%, 0.2%, and 0.3% were 172 ± 13 nm, 1… Show more
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