Articles | Volume 22, issue 3
Atmos. Chem. Phys., 22, 1989–2009, 2022
https://doi.org/10.5194/acp-22-1989-2022
Atmos. Chem. Phys., 22, 1989–2009, 2022
https://doi.org/10.5194/acp-22-1989-2022

Research article 11 Feb 2022

Research article | 11 Feb 2022

The number fraction of iron-containing particles affects OH, HO2 and H2O2 budgets in the atmospheric aqueous phase

Amina Khaled et al.

Data sets

Data: Model output, Khaled et al., 2022, The number fraction of iron-containing particles affects OH, HO2, and H2O2 budgets in the atmospheric aqueous phase Barbara Ervens https://doi.org/10.5281/zenodo.5829360

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Short summary
Chemical reactions with iron in clouds and aerosol form and cycle reactive oxygen species (ROS). Previous model studies assumed that all cloud droplets (particles) contain iron, while single-particle analyses showed otherwise. By means of a model, we explore the bias in predicted ROS budgets by distributing a given iron mass to either all or only a few droplets (particles). Implications for oxidation potential, radical loss and iron oxidation state are discussed.
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