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Chemical (C, N, S, black carbon, soot and char) and stable carbon isotope composition of street dusts from a major West African metropolis: Implications for source apportionment and exposure
Bandowe, BAM (Bandowe, Benjamin A. Musa)1,2; Nkansah, MA (Nkansah, Marian Asantewah)3; Leimer, S (Leimer, Sophia)1; Fischer, D (Fischer, Daniela)4; Lammel, G (Lammel, Gerhard)2,5; Han, YM (Han, Yongming)6,7
通讯作者Bandowe, Benjamin A. Musa(benjamin.bandowe@kit.edu)
2019-03-10
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号655页码:1468-1478
产权排序7
摘要Street dust is a major source of pollution and exposure of residents of West Africa to toxic chemicals. There is however, limited knowledge about the chemical composition and sources of street dust in urban areas of sub-Saharan Africa. The total carbon (TC), nitrogen (TN), sulfur (TS) and the stable carbon isotope ratios (delta C-13) contents of street dust sampled from 25 sites distributed across Kumasi (a metropolis in Ghana with a population of ca.2 million) were determined. In addition, black carbon (BC) and their subunits (soot and char) in these samples were also determined. The concentrations of TC, TN and TS in the dusts were 5-71 mg g(-1), 0.3-4.3 mg g(-1) and 0.2-1.4 mg g(-1), respectively. The concentrations of TC, TN and TS were higher than at the background site of the metropolis by a factor of 5.1 (range: 1.7-12), 3.9 (1.1-13) and 2.8 (0.7-5), respectively. The BC, char and soot concentrations in these samples averaged 1.6 mg g(-1) (0.13-4.4), 1.2 mg g(-1) (0.08-3.7) and 0.36 mg g(-1) (0.05-1.5), respectively. The concentrations of BC, char and soot in the street dust were higher than in the background location by factors of 5 (range: 0.8-13), 6 (0.7-17) and 3 (0.5-12), respectively. The TC, TN, TS, BC, soot and char concentrations were positively correlated with each other and with polycyclic aromatic compounds (PAHs, oxygenated PAHs and azaarenes from a previous study), indicating their common origin and fate. The delta C-13 values ranged from -27 to -24 [parts per thousand], with more polluted sites being more depleted in C-13. Based on the chemical composition of the street dusts, the 25 sites could be clustered into four groups by hierarchical cluster analysis which reflect areas of varying anthropogenic influence and, accordingly, exposure to hazardous chemicals.
关键词Carbon Nitrogen Sulphur Urban pollution Polycyclic aromatic compounds
DOI10.1016/j.scitotenv.2018.11.089
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; ROAD DUST ; PARTICULATE MATTER ; AIR-POLLUTION ; OXYGENATED-PAHS ; TROPICAL CITY ; HEALTH-RISK ; MEGA-CITY ; URBAN ; PM10
收录类别SCI ; SCIE
语种英语
资助项目German Academic Exchange Service (DAAD) ; National Natural Science Foundation of China[41625015] ; National Natural Science Foundation of China[41473119]
WOS研究方向Environmental Sciences & Ecology
项目资助者German Academic Exchange Service (DAAD) ; National Natural Science Foundation of China
WOS类目Environmental Sciences
WOS记录号WOS:000455034600142
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:17[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/361006/10939
专题粉尘与环境研究室
通讯作者Bandowe, BAM (Bandowe, Benjamin A. Musa)
作者单位1.Karlsruhe Inst Technol, Inst Geog & Geoecol, Reinhard Baumeister Pl 1, D-76131 Karlsruhe, Germany;
2.Max Planck Inst Chem, Multiphase Chem Dept, Hahn Meitner Weg 1, D-55128 Mainz, Germany;
3.Kwame Nkrumah Univ Sci & Technol, Dept Chem, Kumasi, Ghana;
4.Univ Bern, Inst Geog, Hallerstr 12, CH-3012 Bern, Switzerland;
5.Masaryk Univ, Res Ctr Tox Cpds Environm, Kamenice 5, Brno 62500, Czech Republic;
6.Chinese Acad Sci, SKLLQG, Xian 710075, Shaanxi, Peoples R China;
7.Chinese Acad Sci, KLACP Inst Earth Environm, Xian 710075, Shaanxi, Peoples R China
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Bandowe, BAM ,Nkansah, MA ,Leimer, S ,et al. Chemical (C, N, S, black carbon, soot and char) and stable carbon isotope composition of street dusts from a major West African metropolis: Implications for source apportionment and exposure[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,655:1468-1478.
APA Bandowe, BAM ,Nkansah, MA ,Leimer, S ,Fischer, D ,Lammel, G ,&Han, YM .(2019).Chemical (C, N, S, black carbon, soot and char) and stable carbon isotope composition of street dusts from a major West African metropolis: Implications for source apportionment and exposure.SCIENCE OF THE TOTAL ENVIRONMENT,655,1468-1478.
MLA Bandowe, BAM ,et al."Chemical (C, N, S, black carbon, soot and char) and stable carbon isotope composition of street dusts from a major West African metropolis: Implications for source apportionment and exposure".SCIENCE OF THE TOTAL ENVIRONMENT 655(2019):1468-1478.
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