Ground-level ozone in the Pearl River Delta and the roles of VOC and NO(x) in its production

Journal of Environmental Management
Min ShaoBoguang Wang

Abstract

In many regions of China, very rapid economic growth has been accompanied by air pollution caused by vehicle emissions. In one of these regions, the Pearl River Delta, the variations of ground-level ozone and its precursors were investigated. Overall, the ambient concentrations of NO(2) increased quickly between 1995 and 1996, but then slightly decreased due to stringent nitrogen oxide (NO(x)) emission controls. Nonetheless, ambient NO(2) levels in the Pearl River Delta remained high. The regional average concentrations of volatile organic compounds (VOCs) were 290 ppbC in summer and 190 ppbC in autumn. Local emissions and long-distance transportation of pollutants play important roles in the regional distribution of VOCs. Ambient O(3) production is significant in urban areas and also downwind of cities. The relative incremental reactivities (RIRs), determined by an observation-based model, showed that ground-level ozone formation in the Guangzhou urban area is generally limited by the concentrations of VOCs, but there are also measurable impacts of NO(x).

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Citations

Mar 8, 2011·Environmental Monitoring and Assessment·Jihua TanJiewen Wang
Mar 15, 2012·Environmental Monitoring and Assessment·Songjun GuoJimin Hao
Dec 7, 2013·Environmental Science and Pollution Research International·Zili ZhangWenju Lu
Apr 6, 2013·Journal of the Air & Waste Management Association·Hao Cai, Shaodong Xie
Apr 12, 2012·Environmental Engineering Science·Songjun GuoJingchun Duan
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Aug 1, 2014·Journal of Environmental Sciences (China)·Wei WeiHaiyang Wang
May 3, 2016·Environmental Science & Technology·Jiamin OuPeter K K Louie
Jun 9, 2016·Archives of Environmental Contamination and Toxicology·Junlin AnBin Zhu
Jul 12, 2016·Environmental Pollution·Phan Quang ThangNorimichi Takenaka
Sep 27, 2016·The Science of the Total Environment·H GuoD R Blake
Nov 12, 2016·The Science of the Total Environment·Hongbo Fu, Jianmin Chen
Jul 15, 2020·Environmental Monitoring and Assessment·Wenjun WangZhengjun Gong
Apr 20, 2018·Journal of the Air & Waste Management Association·Liping WangChun Cao
May 16, 2019·Environmental Science. Processes & Impacts·Haoxian LuHai Guo
Jul 30, 2020·The Science of the Total Environment·Xiaoming LiangDaiqi Ye
Aug 18, 2020·Environment International·Yuanlin WangZifa Wang
Sep 10, 2020·The Science of the Total Environment·Xufei LiuHai Guo
Jan 3, 2021·The Science of the Total Environment·Hengqing ShenWenxing Wang
Feb 21, 2019·Journal of Environmental Sciences (China)·Zhuobiao MaYujing Mu
Apr 4, 2021·International Journal of Environmental Research and Public Health·Tuo Zhang, Maogang Tang
Apr 12, 2021·The Science of the Total Environment·Shurui SunYunchen He

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