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Atmosphere
Special Issues
Secondary Organic Aerosol Formation and Composition
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Secondary Organic Aerosol Formation and Composition

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

Deadline for manuscript submissions: closed (26 October 2020) | Viewed by 3336

Special Issue Editor

Dr. Brett B. Palm

E-Mail Website
Guest Editor
Department of Atmospheric Sciences, College of the Environment, University of Washington, Seattle, WA 98195, USA
Interests: atmospheric chemistry; chemical ionization mass spectrometry; aerosol mass spectrometry; instrument development; field measurements; secondary organic aerosol sources, composition, and properties

Special Issue Information

Dear Colleagues,

Organic aerosols are major components of fine particulate mass in virtually all locations around the globe, from remote oceans to undeveloped forests, rural towns to megacities. The majority of organic aerosol is secondary, meaning it was transformed from gas-phase biogenic, anthropogenic, and biomass burning precursors into particles through a variety of chemical and physical reactions and processes. As a major component of global atmospheric aerosols, secondary organic aerosols play important roles in air quality, global climate, and human health. However, the scientific understanding of the principles underpinning these important roles, including formation processes and the effects of composition on a variety of important properties, are still uncertain. This inhibits our ability to develop the predictive models needed to inform mitigation and adaptation strategies.  

This Special Issue aims to address this need by highlighting high-quality research into the formation processes and composition of secondary organic aerosols. This includes laboratory and field measurements and modeling research regarding:

  • Formation processes such as gas-phase oxidation, aqueous chemistry, heterogeneous/multiphase chemistry, and particle phase processes;
  • Organic aerosol composition, from molecular speciation to bulk analysis;
  • Effects of composition on aerosol properties, e.g., volatility, hygroscopicity, phase;
  • Positive matrix factorization (PMF), principle component analysis (PCA), or other factorization methods;
  • New and innovative methods and techniques.

Dr. Brett B. Palm
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Secondary organic aerosol
  • Aerosol composition
  • Aerosol formation
  • Aerosol properties
  • Atmospheric chemistry
  • Organic aerosol measurements
  • Organic aerosol modeling

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Published Papers (1 paper)

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Research

18 pages, 6366 KiB  
Article
Temporal Variation and Source Analysis of Carbonaceous Aerosol in Industrial Cities of Northeast China during the Spring Festival: The Case of Changchun
by Mengduo Zhang, Shichun Zhang, Qiuyang Bao, Chengjiang Yang, Yang Qin, Jing Fu and Weiwei Chen
Atmosphere 2020, 11(9), 991; https://doi.org/10.3390/atmos11090991 - 16 Sep 2020
Cited by 18 | Viewed by 2841
Abstract
Carbonaceous aerosol, one of the major components of atmospheric aerosols, significantly affects haze episodes, climate change, and human health. Northeastern China suffers severe air pollution, especially in some periods (e.g., the Spring Festival). However, studies on carbonaceous aerosols in typical northeast industrial cities [...] Read more.
Carbonaceous aerosol, one of the major components of atmospheric aerosols, significantly affects haze episodes, climate change, and human health. Northeastern China suffers severe air pollution, especially in some periods (e.g., the Spring Festival). However, studies on carbonaceous aerosols in typical northeast industrial cities (i.e., Changchun) are rare, limiting further comprehension of the atmospheric haze formation. In this study, we monitored the concentrations of carbonaceous aerosols (i.e., OC and EC) in Changchun during the Lunar New Year of 2018 (i.e., from Lunar 20 December to Lunar 20 January), and analyzed the temporal variation and source contributions via the HYbrid-Single Particle Lagrangian Integrated Trajectory (HYSPLIT) model with the potential source contribution factor weights (PSCF) method. The daily concentrations of OC and EC were 9.00 ± 2.81 and 1.57 ± 0.46 µg m−3, respectively, and were significantly lower at nighttime than at the day during the Spring Festival. The concentrations during the major period (i.e., OC: 8.13 ± 2.93 µg m−3; EC: 1.47 ± 0.47 µg m−3 in festival days), including the Lunar Little New Year; the Lunar New Year’s Eve; New Year’s Day; Lunar 5 January, and the Spring Lantern Festival, were mainly from the northwestward with the wind speed of 4–6 m/s being lower than that of normal period (OC: 9.87 ± 2.46 µg m−3; EC: 1.67 ± 0.44 µg m−3) from the southeastward with a wind speed of 6–7 m/s. The direction of the airflow trajectory was mainly in local, northwestward, and northward, carrying particulate matter and gaseous pollutants. In major period, the daily concentration of atmospheric pollutants presented a bimodal trend, with peaks appearing regularly from 11:00 a.m. to 12:00 p.m. and 5:00 p.m. 10:00 p.m., which might be related to traffic, cooking, and firecrackers. The OC/EC was greater than 2 during the whole period, indicating the generation of secondary organic aerosols (i.e., SOC). This study was essential to understand the formation mechanisms of severe pollution episodes and develop control measures for the industrial cities of Northeast China during the Spring Festival. Full article
(This article belongs to the Special Issue Secondary Organic Aerosol Formation and Composition)
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