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Atmosphere
Special Issues
Road Emission: Recent Trends, Current Progress and Future Direction
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Road Emission: Recent Trends, Current Progress and Future Direction

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

Deadline for manuscript submissions: closed (15 April 2023) | Viewed by 3590

Special Issue Editors

Dr. Dušan Jandačka

E-Mail Website
Guest Editor
Department of Highway and Environmental Engineering, Faculty of Civil Engineering, University of Zilina, Univerzitná 8215, 1010 26 Zilina, Slovakia
Interests: air pollution studies; atmospheric pollution; air quality; particulate matter; aerosol chemistry; environment; environmental statistics; environmental analysis; air pollution monitoring; road traffic
Special Issues, Collections and Topics in MDPI journals
Dr. Daniela Ďurčanská

E-Mail Website
Guest Editor
Department of Highway and Environmental Engineering, Faculty of Civil Engineering, University of Zilina, Univerzitná 8215, 1010 26 Zilina, Slovakia
Interests: air pollution studies; atmospheric pollution; air quality; particulate matter; aerosol chemistry; environmental impact assessment; environmental analysis; air pollution monitoring

Special Issue Information

Dear Colleagues,

Road traffic and road infrastructure represent a linear source of environmental pollution, often directly at the level of the surrounding terrain, which subsequently affects the dispersion of pollutants emitted by road traffic. The most serious problem is air contamination with pollutants (particulate matter (PM), nitrogen oxides, carbon oxides, etc.) and noise emissions, primarily because of their significant impact on human health, especially in large cities with high traffic density. The damage to human health caused by PM emissions from road traffic can be disproportionately large compared to other sources of PM emissions, because the highest emission levels tend to be located in areas with the highest population density, leading to high levels of exposure. The share of PM emissions from non-exhaust sources has increased in recent years due to a significant reduction in the amount of PM from exhaust emissions. Non-exhaust emissions are expected to be responsible for the vast majority of PM emissions from road traffic in the coming years. Air quality levels are greatly important to society as extreme air pollution affects the environment and residential areas, especially in the winter months, when the combination of air pollution sources and secondary factors exceed the limit values ​​of harmful substances intended to protect the health of people and animals. Therefore, it is advisable to know more about this problem, i.e. which pollutants are the critical ones, how high the concentrations of pollutants are, to what extent can they be harmful to humans, and which sources of air pollution are potential causes of harmful substances. Subsequently, based on a closer knowledge of the state and origin of air pollution, we can establish measures to improve air quality.

Dr. Dušan Jandačka
Dr. Daniela Ďurčanská
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

  • road traffic
  • electric vehicles
  • air pollution
  • noise emissions
  • particulate matter
  • air quality modelling
  • measurement of air pollution
  • vehicle emissions factors

Published Papers (2 papers)

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Research

19 pages, 9012 KiB  
Article
Consideration of Altered Anthropogenic Behavior during the First Lockdown and Its Effects on Air Pollutants and Land Surface Temperature in European Cities
by Patricia Glocke, Benjamin Bechtel and Panagiotis Sismanidis
Atmosphere 2023, 14(6), 1025; https://doi.org/10.3390/atmos14061025 - 14 Jun 2023
Viewed by 1237
Abstract
Substantial reductions in human and economic activities such as road traffic for several months in 2020 were one of the consequences of the Coronavirus pandemic. This unprecedented change in urban metabolism also affected temperature and air pollutants. This study investigates the effects of [...] Read more.
Substantial reductions in human and economic activities such as road traffic for several months in 2020 were one of the consequences of the Coronavirus pandemic. This unprecedented change in urban metabolism also affected temperature and air pollutants. This study investigates the effects of the first COVID-19 lockdown across 43 cities in Europe. It determines the influence of anthropogenic activities on nitrogen dioxide (NO2), ozone (O3), and particulate matter (PM2.5), as well as on land surface temperature (LST) and the surface urban heat island intensity (SUHII) using satellite, modeled, and mobility data. Our findings show that there are great temporal and spatial differences and distinct patterns between the cities regarding the magnitude of change in the variables under study. In general, the results indicate a substantial decrease in NO2 concentrations in most of the studied cities compared with the reference period of 2015–2019. However, reductions could not be attributed to mobility changes such as less traffic at transit stations, contrary to the results of previous studies. O3 levels increased during the first lockdown in accordance with the decreasing NO2 concentrations. The PM pattern was inconsistent over time and space. Similar to the NO2 results, no relation to the altered mobility behavior was found. No clear signal could be detected for LST and the SUHII, likely due to dominating meteorological influences. Full article
(This article belongs to the Special Issue Road Emission: Recent Trends, Current Progress and Future Direction)
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22 pages, 4036 KiB  
Article
Physicochemical Assessment of the Road Vehicle Traffic Pollution Impact on the Urban Environment
by Marcel Rusca, Tiberiu Rusu, Simona Elena Avram, Doina Prodan, Gertrud Alexandra Paltinean, Miuta Rafila Filip, Irina Ciotlaus, Petru Pascuta, Tudor Andrei Rusu and Ioan Petean
Atmosphere 2023, 14(5), 862; https://doi.org/10.3390/atmos14050862 - 11 May 2023
Cited by 5 | Viewed by 1882
Abstract
Vehicle traffic pollution requires complex physicochemical analysis besides emission level measuring. The current study is focused on two campaigns of emissions measurements held in May and September 2019 in Alba Iulia City, Romania. There was found a significant excess of PM2.5 for [...] Read more.
Vehicle traffic pollution requires complex physicochemical analysis besides emission level measuring. The current study is focused on two campaigns of emissions measurements held in May and September 2019 in Alba Iulia City, Romania. There was found a significant excess of PM2.5 for all measuring points and PM10 for the most circulated points during May, along with significant VOC and CO2 emissions. September measurements reveal threshold excess for all PM along with increased values for VOC and CO2 emissions. These are the consequences of the complex environmental interaction of the traffic. Street dust and air-suspended particle samples were collected and analyzed to evidence the PM2.5 and PM10 sources. Physicochemical investigation reveals highly mineralized particulate matter: PM2.5 fractions within air-suspended particle samples predominantly contain Muscovite, Kaolinite, and traces of Quartz and Calcite, while PM10 fractions within air-suspended particle samples predominantly contain Quartz and Calcite. These mineral fractions originate in street dust and are suspended in the atmosphere due to the vehicles’ circulation. A significant amount of soot was found as small micro-sized clusters in PM2.5 and fine micro-spots attached over PM10 particles, as observed by Mineralogical Optical Microscopy (MOM) and Fourier Transformed Infrared Spectroscopy (FTIR). GC-MS analysis found over 53 volatile compounds on the investigated floating particles that are related to the combustion gases, such as saturated alkanes, cycloalkanes, esters, and aromatic hydrocarbons. It proves a VOC contamination of the measured particulate matters that make them more hazardous for the health. Viable strategies for vehicle traffic-related pollutants mitigation would be reducing the street dust occurrence and usage of modern catalyst filters of the combustion gas exhausting system. Full article
(This article belongs to the Special Issue Road Emission: Recent Trends, Current Progress and Future Direction)
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