IOCAS-IR  > 海洋生态与环境科学重点实验室
Spatial variation, fractionation and sedimentary records of mercury in the East China Sea
Duan, Li-Qin1; Song, Jin-Ming1; Yu, Yu2; Yuan, Hua-Mao1; Li, Xue-Gang1; Li, Ning1
2015-12-15
Source PublicationMARINE POLLUTION BULLETIN
Volume101Issue:1Pages:434-441
SubtypeArticle
AbstractSurface and core sediments were collected to study distributions, phases and potential environmental risk of Hg and to reconstruct anthropogenic Hg change over the past one hundred years in the East China Sea (ECS). Hg contents in surface sediments displayed a decreasing gradient from the Changjiang Estuary to the outer sea. Sequential extraction analysis showed that Hg mainly existed as residual fraction (70.18% of total), and while organic matter fraction (22.96% of total) was the main component of labile fraction, indicating the strong adsorption of organic matters on Hg. Enrichment factor and sediment quality guidelines suggested that Hg in sediments of ECS were at minor enrichment and low adverse effect. Temporal distributions of total Hg content labile fraction, burial flux and anthropogenic Hg flux showed that anthropogenic Hg input increased since the 1960s, which was related to riverine input and atmospheric transport. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordMercury Phase Environmental Risk Sedimentary Record Sediment The East China Sea
DOI10.1016/j.marpolbul.2015.09.050
Indexed BySCI
Language英语
WOS IDWOS:000367630700064
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/95202
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Agr Univ, Marine Sci & Engn Coll, Qingdao 266109, Peoples R China
Recommended Citation
GB/T 7714
Duan, Li-Qin,Song, Jin-Ming,Yu, Yu,et al. Spatial variation, fractionation and sedimentary records of mercury in the East China Sea[J]. MARINE POLLUTION BULLETIN,2015,101(1):434-441.
APA Duan, Li-Qin,Song, Jin-Ming,Yu, Yu,Yuan, Hua-Mao,Li, Xue-Gang,&Li, Ning.(2015).Spatial variation, fractionation and sedimentary records of mercury in the East China Sea.MARINE POLLUTION BULLETIN,101(1),434-441.
MLA Duan, Li-Qin,et al."Spatial variation, fractionation and sedimentary records of mercury in the East China Sea".MARINE POLLUTION BULLETIN 101.1(2015):434-441.
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