Background ozone level in the Sydney basin: Assessment and trend analysis

Duc, H; Azzi, M; Wahid, H; Ha, QP

Background ozone level in the Sydney basin: Assessment and trend analysis

Duc, H Azzi, M Wahid, H Ha, QP

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Publication Type:: Journal Article
Citation:: International Journal of Climatology, 2013, 33 (10), pp. 2298 - 2308
Issue Date:: 2013-08-01

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Field	Value	Language
dc.contributor.author	Duc, H	en_US
dc.contributor.author	Azzi, M	en_US
dc.contributor.author	Wahid, H	en_US
dc.contributor.author	Ha, QP https://orcid.org/0000-0003-0978-1758	en_US
dc.date.issued	2013-08-01	en_US
dc.identifier.citation	International Journal of Climatology, 2013, 33 (10), pp. 2298 - 2308	en_US
dc.identifier.issn	0899-8418	en_US
dc.identifier.uri	http://hdl.handle.net/10453/26695
dc.description.abstract	It has been recognized that the background ozone concentration in urban areas is changing over the years. This article aims to determine the background ozone level (BOL) using ambient air quality data measurements collected at some monitoring stations in the Sydney basin, Australia. A definition of background ozone in the context of the Sydney region is proposed. With this definition, it is possible to estimate the background ozone using ambient measurements of ozone and its precursors. The trend of the BOL is also estimated from the temporal ambient monitoring records as of early 1998-2005. These ozone level changes at different monitoring stations are assessed using the linear regression method. The results are shown to vary between different monitoring sites. This demonstrates that the local conditions at each site are important in determining as to whether an air quality management plan for reducing the ozone level to below the exceedance level is effective and achievable or not. Furthermore, the results obtained are compared with those obtained by the Clapp-Jenkin method, which is based on the relationship between oxidant and nitrogen oxides, assuming a stationary state of photochemical smog function. © 2012 Royal Meteorological Society.	en_US
dc.relation.ispartof	International Journal of Climatology	en_US
dc.relation.isbasedon	10.1002/joc.3595	en_US
dc.subject.classification	Meteorology & Atmospheric Sciences	en_US
dc.title	Background ozone level in the Sydney basin: Assessment and trend analysis	en_US
dc.type	Journal Article
utslib.citation.volume	10	en_US
utslib.citation.volume	33	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0401 Atmospheric Sciences	en_US
utslib.for	0907 Environmental Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	open_access
pubs.issue	10	en_US
pubs.publication-status	Published	en_US
pubs.volume	33	en_US

Abstract:

It has been recognized that the background ozone concentration in urban areas is changing over the years. This article aims to determine the background ozone level (BOL) using ambient air quality data measurements collected at some monitoring stations in the Sydney basin, Australia. A definition of background ozone in the context of the Sydney region is proposed. With this definition, it is possible to estimate the background ozone using ambient measurements of ozone and its precursors. The trend of the BOL is also estimated from the temporal ambient monitoring records as of early 1998-2005. These ozone level changes at different monitoring stations are assessed using the linear regression method. The results are shown to vary between different monitoring sites. This demonstrates that the local conditions at each site are important in determining as to whether an air quality management plan for reducing the ozone level to below the exceedance level is effective and achievable or not. Furthermore, the results obtained are compared with those obtained by the Clapp-Jenkin method, which is based on the relationship between oxidant and nitrogen oxides, assuming a stationary state of photochemical smog function. © 2012 Royal Meteorological Society.

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http://hdl.handle.net/10453/26695