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Polycyclic aromatic compounds (PAHs, oxygenated PAHs, nitrated PAHs and azaarenes) in soils from China and their relationship with geographic location, land use and soil carbon fractions
Bandowe, Benjamin A. Musa1,6; Wei, Chong2,3; Han, Yongming2,4; Cao, Junji2; Zhan, Changlin2,5; Wilcke, Wolfgang2
通讯作者Bandowe, Benjamin A. Musa(benjamin.bandowe@mpic.de) ; Wei, Chong(weic@sari.ac.cn) ; Wilcke, Wolfgang(wolfgang.wilcke@kit.edu)
2019-11-10
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号690页码:1268-1276
摘要The assessment of risks arising from polycyclic aromatic compounds (PACs), particularly from the polar PACs [azaarenes (AZAs), oxygenated PAHs (OPAHs), nitrated PAHs (NPAHs)] requires us to understand the drivers of their spatial distribution. We determined the concentrations of 29 PAHs, 4 AZAs, 15 OPAHs and 11 NPAHs and their relationships with land use (urban vs. rural and forest vs. agriculture), climate (Qinghai-Tibetan plateau, temperate, sub tropical and tropical) and three C fractions (soil organic C, char, soot) in 36 mineral topsoils (0-5 cm) of China. The average concentrations +/- standard deviation of the Sigma 29PAHs, Sigma 16PAHs, Sigma 4AZAs, Sigma 150PAHs and Sigma 11NPAHs were 352 +/- 283, 206 +/- 215, 5.7 +/- 3.7, 108 +/- 66.8 and 32 +/- 3.4 ng g(-1), respectively. PAH, OPAH, NPAH and AZA concentrations were frequently not correlated within or across the regions reflecting different sources and turnover of PAHs and their derivatives. Temperate urban soils showed the highest and tropical rural soils the lowest concentrations of PACs. Forest soils had higher PACs concentrations than agricultural soils. Longitude correlated positively with the Sigma 29PAHs concentrations, because of increasing emissions of PAHs from East to West. The tropical and plateau regions with the lowest PAH concentrations, were dominated by low molecular weight PAHs (LMW-PAHs) with LMW/high molecular weight (HMW)-PAHs ratios >1, while the other two climatic regions with more industrial sites showed the opposite. Latitude correlated with NPAHs likely because of enhanced formation by photochemical reactions during transport in the atmosphere. The concentrations of the Sigma 29PAHs, Sigma 4AZAs, Sigma 150PAHs, Sigma 11NPAHs and their individual components were only occasionally correlated with those of carbon fractions (soil organic C. soot and char) suggesting a small role of soil C pool properties in driving PACs concentrations. Our results demonstrate that the strongest drivers of PACs concentrations are land use and distance to PAC emission sources followed by climate and size and properties of the soil organic C pool. (C) 2019 Elsevier B.V. All rights reserved.
关键词Carbon fractions (organic, soot, char) Climate zones of China Environmental fate PACs patterns Photochemical transformation
DOI10.1016/j.scitotenv.2019.07.022
关键词[WOS]SEMIVOLATILE ORGANIC-COMPOUNDS ; HYDROCARBONS PAHS ; BLACK CARBON ; CONTAINING DERIVATIVES ; OXY-PAHS ; ATMOSPHERIC DEPOSITION ; BACKGROUND SOILS ; TIBETAN PLATEAU ; URBAN SOILS ; NITRO-PAHS
收录类别SCI ; SCI
语种英语
资助项目Swiss National Science Foundation[SNF 200021_131938/1] ; NSF of China[41503119] ; NSF of China[41625015] ; National Basic Research Program of China[2013CB955900] ; Chinese Academy of Sciences[XDA05100402] ; Chinese Academy of Sciences[KZZD-EW-04] ; Science and Technology Commission of Shanghai Municipality[18DZ1204902] ; German Academic Exchange Service (DAAD)
WOS研究方向Environmental Sciences & Ecology
项目资助者Swiss National Science Foundation ; NSF of China ; National Basic Research Program of China ; Chinese Academy of Sciences ; Science and Technology Commission of Shanghai Municipality ; German Academic Exchange Service (DAAD)
WOS类目Environmental Sciences
WOS记录号WOS:000482549900115
出版者ELSEVIER
引用统计
被引频次:42[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/361006/13540
专题粉尘与环境研究室
通讯作者Bandowe, Benjamin A. Musa; Wei, Chong; Wilcke, Wolfgang
作者单位1.KIT, Inst Geog & Geoecol, Reinhard Baumeister Pl 1, D-76131 Karlsruhe, Germany
2.Chinese Acad Sci, Inst Earth Environm, KLACP, SKLLQG, Xian 710061, Shaanxi, Peoples R China
3.Chinese Acad Sci, Shanghai Adv Res Inst, SCDRC, CAS Key Lab Low Carbon Convers Sci & Engn, Shanghai 201210, Peoples R China
4.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Shaanxi, Peoples R China
5.Hubei Polytech Univ, Environm Sci & Engn Coll, Huangshi 435003, Hubei, Peoples R China
6.Max Planck Inst Chem, Multiphase Chem Dept, Hahn Meitner Weg 1, D-55128 Mainz, Germany
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Bandowe, Benjamin A. Musa,Wei, Chong,Han, Yongming,et al. Polycyclic aromatic compounds (PAHs, oxygenated PAHs, nitrated PAHs and azaarenes) in soils from China and their relationship with geographic location, land use and soil carbon fractions[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,690:1268-1276.
APA Bandowe, Benjamin A. Musa,Wei, Chong,Han, Yongming,Cao, Junji,Zhan, Changlin,&Wilcke, Wolfgang.(2019).Polycyclic aromatic compounds (PAHs, oxygenated PAHs, nitrated PAHs and azaarenes) in soils from China and their relationship with geographic location, land use and soil carbon fractions.SCIENCE OF THE TOTAL ENVIRONMENT,690,1268-1276.
MLA Bandowe, Benjamin A. Musa,et al."Polycyclic aromatic compounds (PAHs, oxygenated PAHs, nitrated PAHs and azaarenes) in soils from China and their relationship with geographic location, land use and soil carbon fractions".SCIENCE OF THE TOTAL ENVIRONMENT 690(2019):1268-1276.
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