Atmospheric Organic Aerosols: Source, Formation and Light Absorption

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 1070

Special Issue Editors


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Guest Editor
Department of Atmospheric Science, School of Earth Science, Zhejiang University, Hangzhou 310027, China
Interests: secondary organic aerosol formation; brown carbon; optical properties

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Guest Editor
School of Earth Science, Zhejiang University, Hangzhou 310058, China
Interests: biomass burning; light-absorbing carbonaceous aerosols; mixing state; atmospheric aging

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Guest Editor
Flight College, Binzhou University, Binzhou 256600, China
Interests: emission sources; individual particles; carbonaceous aerosol

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Guest Editor
Institute of Atmospheric Sciences and Climate (ISAC), Italian National Research Council (CNR), 40129 Bologna, Italy
Interests: atmospheric chemistry; atmospheric aerosol; organic aerosol; marine aerosol; ocean–atmosphere interactions; aerosol mass spectrometry; aerosol source apportionment; aerosol–cloud interactions; aerosol and climate; air quality; aerosol and health; global change

Special Issue Information

Dear Colleagues,

Organic aerosols, consisting of a wide range of organic compounds, have gained significant attention due to their diverse sources and potential impact on the air quality and climate. This Special Issue aims to bring together research that investigates the sources and formation processes of organic aerosols, as well as their light-absorbing properties. By doing so, we hope to advance our understanding of their contribution to radiative forcing and their implications for atmospheric processes and human health. The scope of this Special Issue encompasses a broad range of research areas related to atmospheric organic aerosols. We welcome submissions on the identification and characterization of organic aerosol sources, such as anthropogenic emissions, biogenic emissions, and secondary organic aerosol formation. Additionally, investigations into the chemical and physical properties of organic aerosols, their transformation and aging processes, and their interactions with other atmospheric constituents are encouraged. Furthermore, studies focusing on the quantification and modeling of light absorption by organic aerosols are of particular interest.

Topics of interest for the Special Issue include, but are not limited to

  • Sources of organic aerosols: Investigating the contributions of anthropogenic emissions, such as vehicle exhaust and industrial processes, as well as natural emissions from vegetation and wildfires.
  • Formation mechanisms of organic aerosols: Understanding the chemical and physical processes involved in the formation of secondary organic aerosols (SOA) from precursor gases in the atmosphere.
  • Chemical and physical properties: Characterizing the composition, size distribution, hygroscopicity, and volatility of organic aerosols to better understand their behavior and interactions with other aerosol components.
  • Light absorption by organic aerosols: Quantifying the optical properties of organic aerosols and their contributions to radiative forcing, both regionally and globally.
  • Impacts on air quality and climate: Assessing the effects of organic aerosols on air pollution, visibility, cloud formation, and climate change, and developing strategies for its mitigation and management.

We invite researchers from various disciplines to contribute their original research articles, reviews, or perspectives to this Special Issue. We look forward to your valuable contributions as we strive to deepen our knowledge and promote a comprehensive understanding of atmospheric organic aerosols.

Dr. Xiaotong Jiang
Dr. Siyuan Li
Dr. Yinxiao Zhang
Dr. Marco Paglione
Guest Editors

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Keywords

  • organic aerosols
  • source apportionment
  • secondary organic aerosol formation
  • physical and chemical characterization
  • brown carbon
  • optical properties
  • radiative forcing

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Published Papers (1 paper)

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Research

13 pages, 1263 KiB  
Article
Organic Vapors from Residential Biomass Combustion: Emission Characteristics and Conversion to Secondary Organic Aerosols
by Ruijie Li, Siyuan Li, Xiaotong Jiang, Yangzhou Wu and Kang Hu
Atmosphere 2024, 15(6), 692; https://doi.org/10.3390/atmos15060692 - 6 Jun 2024
Viewed by 794
Abstract
Residential biomass combustion emits a large amount of organic gases into ambient air, resulting in the formation of secondary organic aerosol (SOA) and various environmental and health impacts. In this study, we investigated the emission characteristics of non-methane organic compounds (NMOCs) from residential [...] Read more.
Residential biomass combustion emits a large amount of organic gases into ambient air, resulting in the formation of secondary organic aerosol (SOA) and various environmental and health impacts. In this study, we investigated the emission characteristics of non-methane organic compounds (NMOCs) from residential biomass fuels during vigorous combustion (flaming) and stable combustion (smoldering) conditions. We quantified NMOC emission factors based on the CO concentration for different combustion phases and found that NMOC emissions were higher during the smoldering phase and approximately two to four times greater than those during flaming. NMOCs were categorized into volatile organic compounds (VOCs) and intermediate-volatility organic compounds (IVOCs) through the modeling of the organic compound volatility distribution. The photochemical aging of NMOCs revealed furans, phenolics, and certain IVOCs as significant non-traditional SOA precursors, with over half being consumed during a short aging period. A parametric function was established, indicating that accounting for non-traditional SOA precursors and IVOC yields improves the representation of the net enhancement of measured organic aerosol (OA). This study emphasizes the importance of differentiating emissions from various phases of residential biomass combustion and recognizing non-traditional SOA precursors and IVOCs for accurate SOA assessment and prediction. Full article
(This article belongs to the Special Issue Atmospheric Organic Aerosols: Source, Formation and Light Absorption)
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