Seasonal variation and size distribution of biogenic secondary organic aerosols at urban and continental background sites of China
Ren, YQ (Ren, Yanqin)[ 1,4,5 ]; Wang, GH (Wang, Gehui)[ 1,2,3,4 ]; Li, JJ (Li, Jianjun)[ 1 ]; Wu, C (Wu, Can)[ 1,4 ]; Cao, C (Cao, Cong)[ 1,4 ]; Wang, JY (Wang, Jiayuan)[ 1,4 ]; Zhang, L (Zhang, Lu)[ 1,4 ]; Meng, F (Meng, Fan)[ 5 ]; Li, H (Li, Hong)[ 5 ]
2018-09
发表期刊JOURNAL OF ENVIRONMENTAL SCIENCES
卷号71页码:32-44
文章类型期刊论文
摘要Size-resolved biogenic secondary organic aerosols (BSOA) derived from isoprene and monoterpene photooxidation in Qinghai Lake, Tibetan Plateau (a continental background site) and five cities of China were measured using gas chromatography/mass spectrometry (GC/MS). Concentrations of the determined BSOA are higher in the cities than in the background and are also higher in summer than in winter. Moreover, strong positive correlations (R2 = 0.44–0.90) between BSOA and sulfate were found at the six sites, suggesting that anthropogenic pollution (i.e., sulfate) could enhance SOA formation, because sulfate provides a surface favorable for acid-catalyzed formation of BSOA. Size distribution measurements showed that most of the determined SOA tracers are enriched in the fine mode (< 3.3 μm) except for cis-pinic and cis-pinonic acids, both presented a comparable mass in the fine and coarse (> 3.3 μm) modes, respectively. Mass ratio of oxidation products derived from isoprene to those from monoterpene in the five urban regions during summer are much less than those in Qinghai Lake region. In addition, in the five urban regions relative abundances of monoterpene oxidation products to SOA are much higher than those of isoprene. Such phenomena suggest that BSOA derived from monoterpenes are more abundant than those from isoprene in Chinese urban areas.
关键词Biogenic secondary organic aerosols Photochemical oxidation Seasonal and spatial variations Size distribution Sulfate
DOI10.1016/j.jes.2017.11.016
收录类别SCI
语种英语
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9664
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China;
2.Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences, East China Normal University, Shanghai 200041, China;
3.Center of Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China;
4.University of Chinese Academy of Sciences, Beijing 100049, China;
5.State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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Ren, YQ ,Wang, GH ,Li, JJ ,et al. Seasonal variation and size distribution of biogenic secondary organic aerosols at urban and continental background sites of China[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2018,71:32-44.
APA Ren, YQ .,Wang, GH .,Li, JJ .,Wu, C .,Cao, C .,...&Li, H .(2018).Seasonal variation and size distribution of biogenic secondary organic aerosols at urban and continental background sites of China.JOURNAL OF ENVIRONMENTAL SCIENCES,71,32-44.
MLA Ren, YQ ,et al."Seasonal variation and size distribution of biogenic secondary organic aerosols at urban and continental background sites of China".JOURNAL OF ENVIRONMENTAL SCIENCES 71(2018):32-44.
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