Tropospheric Ozone Assessment in the Urban Environment

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

Deadline for manuscript submissions: closed (18 October 2021) | Viewed by 2378

Special Issue Editors


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Guest Editor
Institute of Environmental Engineering, Warsaw University of Life Sciences, Warsaw, Poland
Interests: air pollution; indoor air quality; particulate matter; mercury; PAHs; chemical element; precursors of ozone; health risk assessment; meteorological conditions
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E-Mail Website
Guest Editor
1. The Main School of Fire Service, Faculty of Fire Safety Engineering, 52/54 Słowackiego St., 01-629 Warsaw, Poland
2. Institute of Environmental Engineering of Polish Academy of Sciences, Department of Air Protection, 24 Curie-Skłodowskiej St. 41-819 Zabrze, Poland
Interests: aerosol chemistry and physics; particulate matter; air pollution modeling; exposure assessment; risk analysis; environmental statistics; indoor air quality; PM and fires; fire safety engineering; polycyclic aromatic hydrocarbons; toxic elements
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Tropospheric ozone (O3) is a secondary air pollutant formed in a complex photochemical reaction. It is one of the key air pollutants, a major component of photochemical smog, and a strong oxidant which plays an important role in the oxidative capacity of atmosphere. Many places in Europe become subject to seasonal changes of ozone concentration with typical minimum concentration in winter and maximum in summer. The episodes of high concentration of ozone occur every summer in a number of European urbanized areas. During these episodes, many of which last for several consecutive days, ozone concentrations rise to several times the boundary layer background. That phenomenon often occurs under anticyclonic conditions related to increased sunlight duration, considerably high temperatures, and lower wind speed. In the urban and suburban situation, high concentrations happen mainly due to photochemical production from precursors that are emitted from known but also unknown and presently sought sources.

This Special Issue is expected to be not only the forum of information exchange on the presence and variability of ozone concentration in different parts of the world, but also to involve:

  • The behavior and presence of ozone precursors in different topographical, meteorological, and emission conditions;
  • Long-term trends of ozone precursor emission and their relationships with tropospheric ozone;
  • Estimations and forecasts of population exposure to ozone in different conditions and scenarios;
  • Air quality considering the intensity of secondary pollutants formation, such as tropospheric ozone and secondary organic and inorganic aerosol;
  • Relationships between the secondary atmospheric aerosol and tropospheric ozone;
  • Influence, forecast, and modeling relationships between temporary and long-term climate changes, meteorological conditions, and fluctuations of tropospheric ozone concentration;
  • Other issues.

Prof. Dr. Grzegorz Majewski
Prof. Dr. Wioletta Rogula-Kozłowska
Guest Editors

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Keywords

  • Ozone
  • Gaseous precursors
  • Secondary aerosol
  • Anthropogenic emission
  • Air quality
  • Meteorological conditions
  • Climate changes
  • Seasonal cycle
  • Atmospheric chemistry model
  • Urban heat island
  • Photochemical smog
  • Communication emission
  • Nitrogen oxides
  • UV radiation

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Published Papers (1 paper)

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Research

13 pages, 2691 KiB  
Article
Diurnal Variations in Physiological Characteristics, Photoassimilates, and Total Ascorbate in Early and Late Sown Indian Wheat Cultivars under Exposure to Elevated Ozone
by Durgesh Singh Yadav, Bhavna Jaiswal, Shashi Bhushan Agrawal and Madhoolika Agrawal
Atmosphere 2021, 12(12), 1568; https://doi.org/10.3390/atmos12121568 - 26 Nov 2021
Cited by 5 | Viewed by 1742
Abstract
Rising tropospheric ozone (O3) in the atmosphere is detrimental to crop’s productivity and is one of the reasons for a warmer climate. The present study describes diurnal changes in gaseous exchange, chlorophyll fluorescence, ascorbic acid, and photoassimilate parameters in flag leaves [...] Read more.
Rising tropospheric ozone (O3) in the atmosphere is detrimental to crop’s productivity and is one of the reasons for a warmer climate. The present study describes diurnal changes in gaseous exchange, chlorophyll fluorescence, ascorbic acid, and photoassimilate parameters in flag leaves of four Indian wheat (Triticum aestivum L.) cultivars (two early sown and two late sown cultivars) under ambient and elevated O3 treatments, using the open-top chambers (OTCs). Results showed that the diurnal pattern of photosynthetic rate (Ps), sucrose, and ascorbic acid content varied according to changes in photosynthetically active radiation (PAR) and O3 concentrations during the daytime and were maximum between 10:00 to 12:00. The present study suggested that elevated O3 caused more negative effects on photosystem II in early sown compared to late sown cultivars. The greater loss of photosynthesis led to lower production of photoassimilates in early sown cultivars, which utilized more assimilates in ascorbic acid formation for detoxification of ROS formed due to elevated O3. This work will also help to identify the robustness of physiological machinery in different wheat cultivars under elevated levels of O3, and may be used for selection of suitable cultivars during future breeding programs. Full article
(This article belongs to the Special Issue Tropospheric Ozone Assessment in the Urban Environment)
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