Molecular distribution and stable carbon isotopic compositions of dicarboxylic acids and related SOA from biogenic sources in the summertime atmosphere of Mt. Tai in the North China Plain | |
Meng, JJ (Meng, Jingjing)[ 1,3 ]; Wang, GH (Wang, Gehui)[ 2,3,4 ]; Hou, ZF (Hou, Zhanfang)[ 1,3 ]; Liu, XD (Liu, Xiaodi)[ 1 ]; Wei, BJ (Wei, Benjie)[ 1 ]; Wu, C (Wu, Can)[ 3 ]; Cao, C (Cao, Cong)[ 3 ]; Wang, JY (Wang, Jiayuan)[ 3 ]; Li, JJ (Li, Jianjun)[ 3 ]; Cao, JJ (Cao, Junji)[ 3 ]; Zhang, EX (Zhang, Erxun)[ 1 ]; Dong, J (Dong, Jie)[ 1 ]; Liu, JZ (Liu, Jiazhen)[ 1 ]; Ge, SS (Ge, Shuangshuang)[ 2 ]; Xie, YN (Xie, Yuning)[ 2 ] | |
通讯作者 | Wang, Gehui(wanggh@ieecas.cn) |
2018 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS |
ISSN | 1680-7316 |
卷号 | 18期号:20页码:15069-15086 |
文章类型 | 期刊论文 |
摘要 | Molecular distributions and stable carbon isotopic (δ13C values) compositions of dicarboxylic acids and related secondary organic aerosols (SOA) in PM2:5 aerosols collected on a day/night basis at the summit of Mt. Tai (1534 m a.s.l.) in the summer of 2016 were analyzed to investigate the sources and photochemical aging process of organic aerosols in the forested highland region of the North China Plain. The molecular distributions of dicarboxylic acids and related SOA are characterized by the dominance of oxalic acid (C2), followed by malonic (C3), succinic (C4) and azelaic (C9) acids. The concentration ratios of C2 = C4, diacid-C = OC and C2 = total diacids are larger in the daytime than in the nighttime, suggesting that the daytime aerosols are more photochemically aged than those in the nighttime due to the higher temperature and stronger solar radiation. Both ratios of C2 = C4 (R2 > 0:5) and C3 = C4 (R2 > 0:5) correlated strongly with the ambient temperatures, indicating that SOA in the mountaintop atmosphere are mainly derived from the photochemical oxidation of local emissions rather than long-range transport. The mass ratios of azelaic acid to adipic acid (C9 = C6), azelaic acid to phthalic aid (C9 = Ph) and glyoxal to methylglyoxal (Gly = mGly) and the strong linear correlations of major dicarboxylic acids and related SOA (i.e., C2, C3, C4, !C2, Pyr, Gly and mGly) with biogenic precursors (SOA tracers derived from isoprene, α/β-pinene and β-caryophyllene) further suggest that aerosols in this region are mainly originated from biogenic sources (i.e., tree emissions). C2 concentrations correlated well with aerosol pH, indicating that particle acidity favors the organic acid formation. The stable carbon isotopic compositions (δ13C) of the dicarboxylic acids are higher in the daytime than in the nighttime, with the highest value (−16:5 ± 1:9 ‰) found for C2 and the lowest value (−25:2 ± 2:7 ‰) found for C9. An increase in δ13C values of C2 along with increases in C2 = Gly and C2 = mGly ratios was observed, largely due to the isotopic fractionation effect during the precursor oxidation process. |
DOI | 10.5194/acp-18-15069-2018 |
关键词[WOS] | SECONDARY ORGANIC AEROSOL ; WHEAT BURNING SEASON ; OXALIC-ACID ; ALPHA-DICARBONYLS ; KETOCARBOXYLIC ACIDS ; OXOCARBOXYLIC ACIDS ; FORMATION MECHANISMS ; MARINE AEROSOLS ; FATTY-ACIDS ; ISOPRENE |
收录类别 | SCI |
语种 | 英语 |
资助项目 | China National Science Funds[41505112] ; China National Science Funds[41773117] ; Natural Science Foundation of Shandong Province[BS2015HZ002] ; China National Natural Science Funds for Distinguished Young Scholars[41325014] ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences[SKLLQG1509] ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences[SKLLQG1504] |
WOS研究方向 | Meteorology & Atmospheric Sciences |
项目资助者 | China National Science Funds ; Natural Science Foundation of Shandong Province ; China National Natural Science Funds for Distinguished Young Scholars ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS记录号 | WOS:000447779800004 |
出版者 | COPERNICUS GESELLSCHAFT MBH |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/9590 |
专题 | 粉尘与环境研究室 |
通讯作者 | Wang, GH (Wang, Gehui)[ 2,3,4 ] |
作者单位 | 1.School of Environment and Planning, Liaocheng University, Liaocheng 252000, China; 2.Key Laboratory of Geographic Information Science of the Ministry of Education, School of Geographic Sciences,East China Normal University, Shanghai 200062, China; 3.State Key Laboratory of Loess and Quaternary Geology, Key Lab of Aerosol Chemistry and Physics,Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China; 4.School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China |
推荐引用方式 GB/T 7714 | Meng, JJ ,Wang, GH ,Hou, ZF ,et al. Molecular distribution and stable carbon isotopic compositions of dicarboxylic acids and related SOA from biogenic sources in the summertime atmosphere of Mt. Tai in the North China Plain[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2018,18(20):15069-15086. |
APA | Meng, JJ .,Wang, GH .,Hou, ZF .,Liu, XD .,Wei, BJ .,...&Xie, YN .(2018).Molecular distribution and stable carbon isotopic compositions of dicarboxylic acids and related SOA from biogenic sources in the summertime atmosphere of Mt. Tai in the North China Plain.ATMOSPHERIC CHEMISTRY AND PHYSICS,18(20),15069-15086. |
MLA | Meng, JJ ,et al."Molecular distribution and stable carbon isotopic compositions of dicarboxylic acids and related SOA from biogenic sources in the summertime atmosphere of Mt. Tai in the North China Plain".ATMOSPHERIC CHEMISTRY AND PHYSICS 18.20(2018):15069-15086. |
条目包含的文件 | ||||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
acp-18-15069-2018.pd(2025KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 请求全文 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论