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PAH distribution and mass fluxes in the Three Gorges Reservoir after impoundment of the Three Gorges Dam
Deyerling, Dominik1,2; Wang, Jingxian1,2,5; Hu, Wei3; Westrich, Bernhard4; Peng, Chengrong5; Bi, Yonghong1,5; Henkelmann, Bernhard1,2; Schramm, Karl-Werner
2014-09-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume491Pages:123-130
AbstractMass fluxes of polycyclic aromatic hydrocarbons (PAHs) were calculated for the Three Gorges Reservoir (TGR) in China, based on concentration and discharge data from the Yangtze River. Virtual Organisms (VOs) have been applied during four campaigns in 2008, 2009 (twice) and 2011 at sampling sites distributed from Chongqing to Maoping. The total PAH mass fluxes ranged from 110 to 2160 mg s(-1). Highest loads were determined at Chongqing with a decreasing trend towards Maoping in all four sampling campaigns. PAR remediation capacity of the TGR was found to be high as the mass flux reduced by more than half from upstream to downstream. Responsible processes are thought to be adsorption of PAR to suspended particles, dilution and degradation. Furthermore, the dependence of PAR concentration upon water depth was investigated at Maoping in front of the Three Gorges Dam. Although considerable differences could be revealed, there was no trend observable. Sampling of water with self-packed filter cartridges confirmed more homogenous PAR depth distribution. Moreover, PAR content of suspended particles was estimated from water concentrations gathered by VOs based on a water particle separation model and subsequently compared to PAR concentration measured in water and in filter cartridges. It could be shown that the modeled data predicts the concentration caused by particle-bound PAHs to be about 6 times lower than PAHs dissolved in water. Besides, the model estimates the proportions of 5- and 6-ring PAHs being higher than in water phase. (C) 2014 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordThree Gorges Reservoir Pollution Pah Vo Freight Mass Flux
DOI10.1016/j.scitotenv.2014.03.076
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS KeywordPOLYCYCLIC AROMATIC-HYDROCARBONS ; YANGTZE-RIVER ; WATER ; CARBON
WOS IDWOS:000339534700017
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20401
Collection藻类生物学及应用研究中心
Affiliation1.German Res Ctr Environm Hlth GmbH, Helmholtz Ctr Munich, Mol EXpos MEX, D-85764 Neuherberg, Germany
2.Tech Univ Munich, Chair Analyt Food Chem, Dept Nutr & Food Sci Weihenstephan, D-85350 Freising Weihenstephan, Germany
3.Karlsruhe Inst Technol, Inst Mineral & Geochem, Karlsruhe, Germany
4.Univ Stuttgart, Inst Geotech Engn, D-70569 Stuttgart, Germany
5.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Deyerling, Dominik,Wang, Jingxian,Hu, Wei,et al. PAH distribution and mass fluxes in the Three Gorges Reservoir after impoundment of the Three Gorges Dam[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2014,491:123-130.
APA Deyerling, Dominik.,Wang, Jingxian.,Hu, Wei.,Westrich, Bernhard.,Peng, Chengrong.,...&Schramm, Karl-Werner.(2014).PAH distribution and mass fluxes in the Three Gorges Reservoir after impoundment of the Three Gorges Dam.SCIENCE OF THE TOTAL ENVIRONMENT,491,123-130.
MLA Deyerling, Dominik,et al."PAH distribution and mass fluxes in the Three Gorges Reservoir after impoundment of the Three Gorges Dam".SCIENCE OF THE TOTAL ENVIRONMENT 491(2014):123-130.
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