Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 17615–17635, 2018
https://doi.org/10.5194/acp-18-17615-2018
Atmos. Chem. Phys., 18, 17615–17635, 2018
https://doi.org/10.5194/acp-18-17615-2018

Research article 12 Dec 2018

Research article | 12 Dec 2018

Marine boundary layer aerosol in the eastern North Atlantic: seasonal variations and key controlling processes

Guangjie Zheng et al.

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Here, we elucidate the key processes that drive marine boundary layer (MBL) aerosol size distribution in the eastern North Atlantic (ENA) using long-term measurements. The governing equations of particle concentration are established for different modes. Particles entrained from the free troposphere represent the major source of MBL cloud condensation nuclei (CCN), contributing both directly to CCN population and indirectly by supplying Aitken-mode particles that grow to CCN in the MBL.
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