Anthropogenic Derived Organic Aerosols in the Atmosphere
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".
Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 467
Special Issue Editors
Interests: organic aerosol; biomass burning; molecular marker; secondary aerosol formation; source identification
Special Issues, Collections and Topics in MDPI journals
Interests: secondary organic aerosols; water-soluble organic carbon; hygroscopic properties; cloud condensation nuclei activity of inorganic-organic mixtures; trace metals
Interests: atmospheric aerosol; organic compound; biomass burning; primary source; secondary formation; long-range atmospheric transport
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Anthropogenic air pollution causes progressively serious concern for global climate, agriculture and public health. Human activities such as biomass burning and fossil fuels combustion emit large amounts of anthropogenic pollutants into the air, particularly in developing and urban areas. It produces various gases, organic and inorganic species, and black carbon, trace metals, etc. Organic aerosol is one of the important parts of those pollutants, accounting for up to 70% of the aerosol mass in some cases. Organic aerosol has direct and/or indirect climatic and human health effects. Organic aerosol is very complex due to its large spectrum of molecular compounds in the atmosphere. An understanding of the chemical characterization and the contributions of various anthropogenic sources of organic aerosols is urgently needed to resolve the role and potential impacts of organic aerosol in the atmosphere.
A large fraction of organic aerosol is a secondary organic aerosol (SOA) formed through the oxidation of volatile organic compounds (VOCs) and other primary organic tracers. Although global emissions of anthropogenic VOCs are considered almost one order of magnitude lower than those of biogenic VOCs, recent studies proposed that anthropogenic SOA is dominant over biogenic SOA in urban regions. Moreover, anthropogenic emissions could enhance biogenic VOCs oxidation in urban sites, resulting in an increment of biogenic SOA formation. The formation process of these intensified anthropogenic SOA remains highly uncertain. Due to the lack of large-scale observation, the role of anthropogenic SOA in atmospheric aerosols over the continent is still not well understood.
Manuscripts on all aspects of anthropogenic influenced organic aerosols from ambient aerosol and chamber experiments are welcome for this Special Issue.
Dr. MD Mozammel Haque
Dr. Boreddy Suresh Kumar Reddy
Dr. Dhananjay Kumar Deshmukh
Guest Editors
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Keywords
- organic aerosols
- secondary organic aerosols
- intermediate volatile organic compounds
- anthropogenic emission
- source apportionment
- isotope ratios
- chamber experiment
- model studies
- optical properties
- hygroscopicity
- aerosol climate interaction
- health risk assessment
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