气候变化领域集成服务门户(CCPortal): Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China

CCPortal

DOI	10.5194/acp-19-13627-2019
	Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China
	Xing J.; DIng D.; Wang S.; Dong Z.; Kelly T.J.; Jang C.; Zhu Y.; Hao J.
发表日期	2019
ISSN	16807316
起始页码	13627
结束页码	13646
卷号	19 期号:21
英文摘要	Designing effective control policies requires efficient quantification of the nonlinear response of air pollution to emissions. However, neither the current observable indicators nor the current indicators based on response surface modeling (RSM) can fulfill this requirement. Therefore, this study developed new observable RSM-based indicators and applied them to ambient fine-particle (PM2:5/ and ozone (O3) pollution control in China. The performance of these observable indicators in predicting O3 and PM2:5 chemistry was compared with that of the current RSM-based indicators. H2O2HCHO=NO2 and total ammonia ratio, which exhibited the best performance among indicators, were proposed as new observable O3 and PM2:5 chemistry indicators, respectively. Strong correlations between RSM-based and traditional observable indicators suggested that a combination of ambient concentrations of certain chemical species can serve as an indicator to approximately quantify the response of O3 and PM2:5 to changes in precursor emissions. The observable RSM-based indicator for O3 (observable peak ratio) effectively captured the strong NOx-saturated regime in January and the NOx-limited regime in July, as well as the strong NOx-saturated regime in northern and eastern China and their key regions, including the Yangtze River Delta and Pearl River Delta. The observable RSM-based indicator for PM2:5 (observable flex ratio) also captured strong NH3-poor conditions in January and NH3-rich conditions in April and July, as well as NH3-rich conditions in northern and eastern China and the Sichuan Basin. Moreover, analysis of these newly developed observable response indicators suggested that the simultaneous control of NH3 and NOx emissions produces greater benefits in provinces with higher PM2:5 exposure by up to 1.2 μgmμ3 PM2:5 per 10% NH3 reduction compared with NOx control only. Control of volatile organic compound (VOC) emissions by as much as 40% of NOx controls is necessary to obtain the co-benefits of reducing both O3 and PM2:5 exposure at the national level when controlling NOx emissions. However, the VOC-to-NOx ratio required to maintain benefits varies significantly from 0 to 1.2 in different provinces, suggesting that a more localized control strategy should be designed for each province. Designing effective control policies requires efficient quantification of the nonlinear response of air pollution to emissions. However, neither the current observable indicators nor the current indicators based on response surface modeling (RSM) can fulfill this requirement. Therefore, this study developed new observable RSM-based indicators and applied them to ambient fine-particle (PM2:5/ and ozone (O3) pollution control in China. The performance of these observable indicators in predicting O3 and PM2:5 chemistry was compared with that of the current RSM-based indicators. H2O2HCHO=NO2 and total ammonia ratio, which exhibited the best performance among indicators, were proposed as new observable O3 and PM2:5 chemistry indicators, respectively. Strong correlations between RSM-based and traditional observable indicators suggested that a combination of ambient concentrations of certain chemical species can serve as an indicator to approximately quantify the response of O3 and PM2:5 to changes in precursor emissions. The observable RSM-based indicator for O3 (observable peak ratio) effectively captured the strong NOx-saturated regime in January and the NOx-limited regime in July, as well as the strong NOx-saturated regime in northern and eastern China and their key regions, including the Yangtze River Delta and Pearl River Delta. The observable RSM-based indicator for PM2:5 (observable flex ratio) also captured strong NH3-poor conditions in January and NH3-rich conditions in April and July, as well as NH3-rich conditions in northern and eastern China and the Sichuan Basin. Moreover, analysis of these newly developed observable response indicators suggested that the simultaneous control of NH3 and NOx emissions produces greater benefits in provinces with higher PM2:5 exposure by up to 1.2 μgmμ3 PM2:5 per 10% NH3 reduction compared with NOx control only. Control of volatile organic compound (VOC) emissions by as much as 40% of NOx controls is necessary to obtain the co-benefits of reducing both O3 and PM2:5 exposure at the national level when controlling NOx emissions. However, the VOC-to-NOx ratio required to maintain benefits varies significantly from 0 to 1.2 in different provinces, suggesting that a more localized control strategy should be designed for each province. © Author(s) 2019.
语种	英语
scopus关键词	atmospheric chemistry; atmospheric pollution; bioindicator; concentration (composition); design; nitrogen oxides; ozone; particulate matter; pollution control; response surface methodology; volatile organic compound; China
来源期刊	Atmospheric Chemistry and Physics
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/144049
作者单位	State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China; State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing, 100084, China; Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, United States; College of Environmental Science and Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou, China
推荐引用方式 GB/T 7714	Xing J.,DIng D.,Wang S.,et al. Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China[J],2019,19(21).
APA	Xing J..,DIng D..,Wang S..,Dong Z..,Kelly T.J..,...&Hao J..(2019).Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China.Atmospheric Chemistry and Physics,19(21).
MLA	Xing J.,et al."Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China".Atmospheric Chemistry and Physics 19.21(2019).