University of Worcester Worcester Research and Publications

Sensitivity of Ground-Level Ozone to NOx Emission During a High Ozone Episode in SW Poland

Wałaszek, K., Kryza, M., Werner, Malgorzata and Ojrzyńska, H. (2016) Sensitivity of Ground-Level Ozone to NOx Emission During a High Ozone Episode in SW Poland. In: Air Pollution Modeling and its Application XXIV. Springer Proceedings in Complexity . Springer International Publishing, Cham, pp. 339-343. ISBN Print: 978-3-319-24476-1 Online:978-3-319-24478-5

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Sensitivity of ozone formation to NOx and VOC emission is important in terms of implementing control strategies for photochemical pollutants, helping to determine the most effective way to limit O3 concentrations and population exposure to high levels of O3. In this study, the role of NOx emissions on hourly O3 concentrations is examined in order to determine whether NOx is the driver or limiting factor of ozone formation in SW Poland in high-ozone situations. In order to assess that, four scenarios are analyzed: baseline, with no modification of the available emission inventory, a 10, 20 and 30 % decrease in anthropogenic emission of NOx. The simulations were performed for an episode with high O3 concentrations. Both spatial and temporal changes in ozone concentrations for all scenarios have been analyzed. Preliminary results show that reducing NOx emission is associated with higher O3 concentrations, however, further research is needed to assess the role of VOC.

Item Type: Book Section
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Uncontrolled Discrete Keywords: volatile organic compound, ozone concentration, emission inventory, tropospheric ozone, ozone formation
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > Q Science (General)
Divisions: College of Health, Life and Environmental Sciences > School of Science and the Environment
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Depositing User: Malgorzata Werner
Date Deposited: 14 Jun 2019 14:47
Last Modified: 17 Jun 2020 17:30

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