The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China

CORC > 金属研究所 > 中国科学院金属研究所

	The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China
	Ma Zhuobiao 2; Liu Chengtang 2; Zhang Chenglong 2; Liu Pengfei 2; Ye Can 2; Xue Chaoyang 2; Zhao Di 1; Sun Jichen 1; Du Yiming 1; Chai Fahe 5
刊名	JOURNAL OF ENVIRONMENTAL SCIENCES
	2019
卷号	79 页码:121-134
关键词	PEARL RIVER-DELTA PHOTOCHEMICAL OZONE FORMATION NONMETHANE HYDROCARBONS NMHCS SOURCE APPORTIONMENT RATE CONSTANTS COMPOUNDS VOCS AIR-QUALITY PRECURSORS POLLUTION EMISSION Volatile organic compounds Source apportionment Photochemical ozone formation Field measurement
ISSN号	1001-0742
其他题名	The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China
英文摘要	Air concentrations of volatile organic compounds (VOCs) were continually measured at a monitoring site in Shenyang from 20 August to 16 September 2017. The average concentrations of alkanes, alkenes, aromatics and carbonyls were 28.54, 6.30, 5.59 and 9.78 ppbv, respectively. Seven sources were identified by the Positive Matrix Factorization model based on the measurement data of VOCs and CO. Vehicle exhaust contributed the most (36.15%) to the total propene-equivalent concentration of the measured VOCs, followed by combustion emission (16.92%), vegetation emission and secondary formation (14.33%), solvent usage (10.59%), petrochemical industry emission (9.89%), petrol evaporation (6.28%), and liquefied petroleum gas (LPG) usage (5.84%). Vehicle exhaust, solvent usage and combustion emission were found to be the top three VOC sources for O-3 formation potential, accounting for 34.52%, 16.55% and 11.94%, respectively. The diurnal variation of the total VOCs from each source could be well explained by their emission characteristics, e.g., the two peaks of VOC concentrations from LPG usage were in line with the cooking times for breakfast and lunch. Wind rose plots of the VOCs from each source could reveal the possible distribution of the sources around the monitoring site. The O-3 pollution episodes during the measurement period were found to be coincident with the elevation of VOCs, which was mainly due to the air parcel from the southeast direction where petrochemical industry emission was found to be dominant, suggesting that the petrochemical industry emission from the southeast was probably a significant cause of O-3 pollution in Shenyang. (C) 2018 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
资助项目	[National Key Research and Development Program of China] ; [National Natural Science Foundation of China] ; [National research program for Key issues in air pollution control]
语种	英语
CSCD记录号	CSCD:6442310
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/149839]
专题	金属研究所_中国科学院金属研究所
作者单位	1.中国科学院金属研究所 2.中国科学院生态环境研究中心 3.中国科学院大学 4.中国科学院 5.Chinese Res Institute Environm Sci, Beijing 100012, Peoples R China
推荐引用方式 GB/T 7714	Ma Zhuobiao,Liu Chengtang,Zhang Chenglong,et al. The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2019,79:121-134.
APA	Ma Zhuobiao.,Liu Chengtang.,Zhang Chenglong.,Liu Pengfei.,Ye Can.,...&Mu Yujing.(2019).The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China.JOURNAL OF ENVIRONMENTAL SCIENCES,79,121-134.
MLA	Ma Zhuobiao,et al."The levels, sources and reactivity of volatile organic compounds in a typical urban area of Northeast China".JOURNAL OF ENVIRONMENTAL SCIENCES 79(2019):121-134.