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Atmosphere
Special Issues
Urban Pollution State-of-Art Research and Implications/Suggestions to Air Quality Control
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Urban Pollution State-of-Art Research and Implications/Suggestions to Air Quality Control

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

Deadline for manuscript submissions: closed (28 June 2021) | Viewed by 3429

Special Issue Editors

Dr. Ming-Tung Chuang

E-Mail Website
Guest Editor
Research Center for Environmental Changes, Academia Sinica, 128 Academia Rd. Sec.2, Nankang, Taipei, Taiwan
Interests: aerosol; pollution; ozone
Dr. Chih-Chung Chang

E-Mail Website
Guest Editor
Research Center for Environmental Changes, Academia Sinica, 128 Academia Rd. Sec.2, Nankang, Taipei, Taiwan
Interests: air pollution monitoring; VOCs; greenhouse gas measurement
Dr. Stephen M. Griffith

E-Mail Website
Guest Editor
Department of Atmospheric Sciences, National Central University, No.300, Jung-da Rd, Jhung-li 320, Taiwan
Interests: atmospheric Environmental Research; environmental analytical chemistry; environmental analysis; chemical analysis

Special Issue Information

Dear Colleagues,

In urban areas, air pollution has been endangering human health for several decades. In recent years, air pollutants like PM2.5 and O3 are the major targets to be mitigated. The current special issue welcome “state-of-art research” regarding to urban pollution research no matter measurements, observations, and modeling studies, etc. The outputs of those studies should not only support latest understanding of PM2.5 and O3 formation mechanisms but also provide “implications or suggestions to air quality control/measures” for the governments. Then, those scientific studies have significant benefits for the environments.

Dr. Ming-Tung Chuang
Dr. Chih-Chung Chang
Dr. Stephen M. Griffith
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.

Keywords

  • urban pollutions
  • PM2.5
  • O3
  • measurements
  • observations
  • modeling
  • air quality control

Published Papers (1 paper)

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Research

18 pages, 5900 KiB  
Article
Impacts of the Tree Canopy and Chemical Reactions on the Dispersion of Reactive Pollutants in Street Canyons
by Franchesca G. Gonzalez Olivardia, Tomohito Matsuo, Hikari Shimadera and Akira Kondo
Atmosphere 2021, 12(1), 34; https://doi.org/10.3390/atmos12010034 - 30 Dec 2020
Cited by 3 | Viewed by 2615
Abstract
Traffic-related air pollution in street canyons can cause health problems for pedestrians. In order to clarify the behavior of reactive pollutants, such as NOx and O3, in street canyons, a computational fluid dynamics (CFD) model coupled with a chemistry model and [...] Read more.
Traffic-related air pollution in street canyons can cause health problems for pedestrians. In order to clarify the behavior of reactive pollutants, such as NOx and O3, in street canyons, a computational fluid dynamics (CFD) model coupled with a chemistry model and tree canopy model was developed, and then, a set of numerical experiments were performed to investigate the impacts of chemical reactions and aerodynamic effects of trees planted in a canyon. The results were compared with the observation data. Through the results of the numerical experiments designed to simulate a realistic urban street canyon, it was found that chemical reactions have a dominant impact on the NO/NO2 ratio and O3 concentration. While the tree canopy had little impact on the NO/NO2 ratio, it had a moderate impact on the flow field in the canyon and the amount of NOx and O3 in the canyon. In accordance with the aerodynamic effects of tree canopies, the local NOx concentration in the experiments increased and decreased by up to 51% and 11%, respectively. The current findings of this study demonstrate the utility of the proposed model for conducting air quality investigations in urban areas. Full article
(This article belongs to the Special Issue Urban Pollution State-of-Art Research and Implications/Suggestions to Air Quality Control)
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