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Anthropogenic Pb input into Bohai Bay, China: Evidence from stable Pb isotopic compositions in sediments
Hu Ning-jing1; Huang Peng2; Zhang Hui1; Zhu Ai-mei1; Liu Ji-hua1; Zhang Jun1; He Lian-hua1
2015-10-15
Source PublicationCONTINENTAL SHELF RESEARCH
Volume109Issue:2015Pages:188-197
SubtypeArticle
AbstractTo investigate the source of Pb within Bohai Bay, Pb concentrations and Pb isotopic compositions (Pb-204, (206)pb, Pb-207, and Pb-208) of surface sediments in this area were determined. The Pb concentration in this bay varied widely from 6.9 to 39.2 mu g/g (average: 21.8 +/- 7.8 mu g/g), and the Pb isotopic compositions ranged from 0.8338 to 0.8864 (average: 2.0997 +/- 0.0180) for Pb-208/Pb-208 and from 2.0797 to 2.1531 (average: 0.8477 +/- 0.0135) for Pb-207/Pb-206, presenting in three distinct clusters. The Pb isotopic ratios of sediments from the northeastern (NE zone) and northwestern (NW zone) coastal areas were significantly influenced by anthropogenic sources such as coal combustion and automobile emission. In sediments from the central and southern Bohai Bay (C-S zone); however, Pb mainly originated from the Yellow River catchment, as a result of lithogenic sediment (from rock weathering) accumulation. The Pb isotopic ratios further indicate that, apart from riverine inputs, the neighboring large-scale ports and aerosols significantly contributed to the anthropogenic Pb contained in these sediments. Pb contamination in the Haihe and Luanhe river mouths as well as in the regions near ports is also suggested from anthropogenic enrichment factors. As cities and ports continue to develop around Bohai Bay, a long-term extensive sewage monitoring program is highly recommended. (C) 2015 Published by Elsevier Ltd.
KeywordPb Isotope Ratio Marine Sediments Sources Identification Bohai Bay
DOI10.1016/j.csr.2015.09.004
Indexed BySCI
Language英语
WOS IDWOS:000364898200016
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/82297
Collection海洋地质与环境重点实验室
海洋生态与环境科学重点实验室
Affiliation1.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Hu Ning-jing,Huang Peng,Zhang Hui,et al. Anthropogenic Pb input into Bohai Bay, China: Evidence from stable Pb isotopic compositions in sediments[J]. CONTINENTAL SHELF RESEARCH,2015,109(2015):188-197.
APA Hu Ning-jing.,Huang Peng.,Zhang Hui.,Zhu Ai-mei.,Liu Ji-hua.,...&He Lian-hua.(2015).Anthropogenic Pb input into Bohai Bay, China: Evidence from stable Pb isotopic compositions in sediments.CONTINENTAL SHELF RESEARCH,109(2015),188-197.
MLA Hu Ning-jing,et al."Anthropogenic Pb input into Bohai Bay, China: Evidence from stable Pb isotopic compositions in sediments".CONTINENTAL SHELF RESEARCH 109.2015(2015):188-197.
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