Atmospheric Aqueous-Phase Chemistry
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".
Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 50665
Special Issue Editor
Interests: multiphase atmospheric chemistry; formation of acidic components in tropospheric aqueous phase; secondary organic aerosol (SOA); kinetic and mechanistic studies of atmospheric aqueous-phase reactions; physico-chemical characterization of aerosols
Special Issue Information
Dear Colleagues,
Liquid water in cloud and fog droplets, and in moist aerosol particles, is ubiquitous in the atmosphere. Dissolved species from the soluble aerosol fraction as well as soluble trace gases undergo chemical reactions in the aqueous phase via different mechanisms, usually yielding different products from those in the gas phase. In addition to their different reactivity, the chemical species’ solubility determines their fate in the atmosphere, i.e., their involvement in gas-phase or aqueous-phase chemistry.
Numerous studies confirm that the predominant fraction of atmospheric sulfate formed through the multiphase oxidation of sulfur (IV) from fossil fuel combustion takes place in cloud droplets. Yet, there are still unresolved questions concerning sulfate formation under extremely polluted conditions such as, e.g., found in China.
Recently, it has been recognized that secondary organic aerosol (SOA) mass may also be formed via chemical reactions, in cloud and fog droplets and moist aerosol particles. During atmospheric processing, the primary emitted organic pollutants become more oxidized, less volatile, and more water-soluble. Consequently, within the pollutants’ lifetime in the atmosphere, aqueous-phase chemistry becomes more and more important for their aging.
In this Special Issue, we welcome manuscripts on all aspects of atmospheric aqueous-phase chemistry associated with
- kinetic and mechanistic studies of organic and inorganic systems,
- the unraveling of chemical mechanisms leading to the identification of products in the atmospheric liquid water,
- and the use of predictive modeling providing insights on the mechanisms unraveled.
Dr. Irena Grgić
Guest Editor
Manuscript Submission Information
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Keywords
- atmospheric aqueous-phase chemistry
- multiphase chemistry
- organic pollutants
- inorganic species
- kinetic studies
- mechanistic studies
- chemical mechanisms
- modeling
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