Cloud Processing of Aerosols: Chemistry, Mixing State, and Atmospheric Impacts
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".
Deadline for manuscript submissions: 25 February 2027 | Viewed by 47
Editors
Interests: aerosol; clouds; radiation; methane; chlorine; mineral dust
Interests: aerosol; black carbon; individual particle analysis; haze
Special Issue Information
Dear Colleagues,
Aerosol–cloud interactions remain one of the largest sources of uncertainty in understanding the climate system. The interactions span a wide range of scales, from particle-scale microphysics to cloud-resolving dynamics and global radiative forcing. Cloud droplets form on pre-existing aerosol. Particles of different sizes and chemical compositions activate at different critical supersaturations, and only a subset of the ambient aerosol population is incorporated into any given cloud. This size- and composition-dependent activation ratio determines how cloud processing alters aerosol mixing state. Beyond determining which particles are activated into cloud droplets, in-cloud aqueous-phase chemistry can also reshape the composition of the particle population. For example, the aqueous oxidation of SO₂ by H₂O₂ is a major global source of particulate sulfate. Also, the aqueous processing of water-soluble organic gases, including glyoxal, methylglyoxal, and isoprene epoxydiols, contributes substantially to secondary organic aerosol formation. However, many large-scale models still simplify these processes.
This Special Issue welcomes original research and review submissions that advance the understanding of cloud processing and its effects on aerosol mixing states. Topics of interest include field and laboratory measurements of cloud-processed particles, modeling studies that investigate aqueous chemistry mechanisms across different scales, and research examining the broader impacts of cloud processing on radiation and air quality. Studies that bridge observations and models, or that compare different aerosol and cloud environments, are especially welcome.
We look forward to your contributions.
Dr. Yu Yao
Dr. Liang Xu
Dr. Joseph Ching
Guest Editors
Manuscript Submission Information
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Keywords
- aerosol–cloud interaction
- aerosol mixing state
- cloud processing
- aerosol activation
- aerosol radiative effect
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