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Atmosphere
Special Issues
Source Apportionment of Regional Ozone Pollution
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Source Apportionment of Regional Ozone Pollution

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

Deadline for manuscript submissions: closed (1 August 2023) | Viewed by 5764

Special Issue Editors

Dr. Lei Sun

E-Mail Website
Guest Editor
School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250300, China
Interests: tropospheric ozone; volatile organic compounds; chemical transport model; trace gases
Dr. Chen Wang

E-Mail Website
Guest Editor
School of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250300, China
Interests: volatile organic compounds; environmental monitoring; tropospheric ozone
Dr. Leifeng Yang

E-Mail Website
Guest Editor
South China Institute Of Environmental Sciences, Guangzhou, China
Interests: tropospheric ozone; formation mechanism; control measures; source apportionment; data analysis

Special Issue Information

Dear Colleagues,

The deterioration of regional ozone pollution is becoming the most important environmental problem that needs to be solved in many urban areas around the world. Ozone levels are closely associated with the generation mechanism, the nonlinear response to their precursors, VOC emissions from different sources, adverse impacts from meteorological factors, unreasonable emission reduction strategies, etc. Comprehensive research on field observation, model simulation, machine learning and big data analysis to clarify the cause of ozone pollution and the appropriate control measures, etc., is helpful to understand the causes of regional ozone pollution and shed light on further control policies.

This Special Issue aims to present original research, including review articles, which investigate regional ozone pollution. Relevant topics include, but are not limited to:

  1. The distribution and variation in the ozone and its precursors;
  2. Source apportionment of regional ozone pollution and its precursors;
  3. Ozone pollution trend and formation mechanism;
  4. The impacts of emissions and meteorology on ozone pollution;
  5. Policy-related studies for regional ozone pollution control.

Dr. Lei Sun
Dr. Chen Wang
Dr. Leifeng Yang
Guest Editors

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.

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Published Papers (2 papers)

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Research

16 pages, 3653 KiB  
Article
Investigation of Summertime Ozone Formation and Sources of Volatile Organic Compounds in the Suburb Area of Hefei: A Case Study of 2020
by Hui Yu, Qianqian Liu, Nana Wei, Mingfeng Hu, Xuezhe Xu, Shuo Wang, Jiacheng Zhou, Weixiong Zhao and Weijun Zhang
Atmosphere 2023, 14(4), 740; https://doi.org/10.3390/atmos14040740 - 19 Apr 2023
Cited by 3 | Viewed by 2183
Abstract
Ground surface ozone (O3) is an emerging concern in China due to its complex formation process. In August 2020, field measurements of O3, NOx, and volatile organic compounds (VOCs) were carried out in Hefei’s western suburbs. The [...] Read more.
Ground surface ozone (O3) is an emerging concern in China due to its complex formation process. In August 2020, field measurements of O3, NOx, and volatile organic compounds (VOCs) were carried out in Hefei’s western suburbs. The pollution features of VOCs and O3 formation were thoroughly analyzed. The total VOC concentration was 42.26 ppb, with the dominant contributor being oxygenated VOCs (OVOCs). Seven emission sources were recognized using the positive matrix factorization (PMF) model, including aged air masses, combustion sources, fuel evaporation, industrial emissions, vehicular emission, solvent utilization, and biogenic emission. Ozone generation mainly occurred under an NOx-limited regime based on the zero-dimensional box model analysis. According to the scenario analysis, the 13% cut in O3 might be achieved by the 10% and 30% reduction in NOx and VOCs, respectively. The O3 budget analysis demonstrates its high ozone production rate during the pollution period. The influence of regional transport cannot be ignored for high O3 pollution. This paper provides scientific evidence for O3 production and the strategies of reducing O3 by controlling its precursors. Full article
(This article belongs to the Special Issue Source Apportionment of Regional Ozone Pollution)
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Graphical abstract

15 pages, 2613 KiB  
Article
Volatile Organic Compounds in the North China Plain: Characteristics, Sources, and Effects on Ozone Formation
by Xue Yang, Luhong Gao, Shiyang Zhao, Guang Pan, Guolan Fan, Zhiyong Xia, Xiaoyan Sun, Hongyu Xu, Yanjun Chen and Xiaolong Jin
Atmosphere 2023, 14(2), 318; https://doi.org/10.3390/atmos14020318 - 5 Feb 2023
Cited by 4 | Viewed by 3036
Abstract
Enhanced volatile organic compounds (VOCs) observations were made on ozone-exceeding days in June 2020 in Linyi, China. A total of 69 VOCs were collected (1 alkyne, 29 alkanes, 10 alkenes, 14 aromatic hydrocarbons, and 15 oxygenated volatile organic compounds (OVOCs)). The average concentration [...] Read more.
Enhanced volatile organic compounds (VOCs) observations were made on ozone-exceeding days in June 2020 in Linyi, China. A total of 69 VOCs were collected (1 alkyne, 29 alkanes, 10 alkenes, 14 aromatic hydrocarbons, and 15 oxygenated volatile organic compounds (OVOCs)). The average concentration of total VOCs (TVOCs) was 36.0 ± 0.66 ppb, and the top three VOCs components were alkanes, OVOCs, and aromatic hydrocarbons, which accounted for 40.75%, 27.02%, and 11.30%, respectively. Based on the positive matrix factorization (PMF) model, the main sources of VOCs in Linyi City were divided into vehicle exhaust sources (39.11%), biomass combustion sources (21.82%), oil and gas volatilization sources (21.46%), and solvent use sources (17.61%). The ozone formation potential (OFP) contribution rate was dominated by alkenes, OVOCs, and aromatics, with contribution rates of 26.37%, 25.30%, and 23.65%, respectively. The top six VOCs that contributed the most to the OFP were formaldehyde, acetaldehyde, 1-butene, butadiene, trans-2-butene, and propylene. The empirical kinetic modelling approach (EKMA) curve indicated that the in situ ozone (O3) production was limited by VOCs, and reducing the concentration of O3 precursors in accordance with the VOCs/NOx concentration ratio of 1.15 can control O3 pollution more effectively. Full article
(This article belongs to the Special Issue Source Apportionment of Regional Ozone Pollution)
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