Influence of Aerosol Chemical Composition on Condensation Sink Efficiency and New Particle Formation in Beijing
Wei Du, Jing Cai, Feixue Zheng, Chao Yan, Ying Zhou, Yishuo Guo, Biwu Chu, Lei Yao, Liine Heikkinen, Xiaolong Fan, Yonghong Wang, Runlong Cai, Simo Hakala, Tommy Chan, Jenni Kontkanen, Santeri Tuovinen, Tuukka Petäjä, Juha Kangasluoma, Federico Bianchi, Pauli Paasonen, Yele Sun, Veli‐Matti Kerminen, Yongchun Liu, Kaspar R. Daellenbach, Lubna Dada, Markku Kulmala
Abstract
, the nitrate fraction was 17% on NPF event days and 26% on non-NPF event days. Overall, our results highlight the importance of considering the chemical composition of preexisting particles when estimating the CS and their role in inhibiting NPF events, especially in urban environments.
Topics & Concepts
Chemical compositionAerosolBeijingParticle (ecology)Sink (geography)Environmental chemistryEnvironmental scienceParticle sizeChemistryParticle numberNitrateAmmoniumFraction (chemistry)GeographyOrganic chemistryPhysicsGeologyThermodynamicsVolume (thermodynamics)OceanographyPhysical chemistryCartographyArchaeologyChinaAir Quality and Health ImpactsAtmospheric chemistry and aerosolsAir Quality Monitoring and Forecasting