Distribution and mass inventory of mercury in sediment from the Yangtze River estuarine-inner shelf of the East China Sea

doi:10.1016/j.csr.2016.11.004

	Distribution and mass inventory of mercury in sediment from the Yangtze River estuarine-inner shelf of the East China Sea
	Liu, Wenchuan 1; Hu, Limin 2,3; Lin, Tian 4; Li, Yuanyuan 1; Guo, Zhigang 1
刊名	CONTINENTAL SHELF RESEARCH
	2017-01
卷号	132 页码:29-37
关键词	Mercury Surface sediments Distribution Mass inventory Large river input The coastal East China Sea
ISSN号	0278-4343
DOI	10.1016/j.csr.2016.11.004
英文摘要	Mercury (Hg) was measured in 70 sediment samples from the Yangtze River estuarine-inner shelf of the East China Sea (ECS) to evaluate its occurrence, distribution, and deposition flux. Its concentrations were 10-92 ng/ g with a mean of 46 +/- 17 ng/g. A decrease of Hg concentration with increasing distance offshore suggested a dominance of riverine input. The high levels of Hg observed at the southern inner shelf were partly due to the sorption affinity of fine-grained sediments. Hg concentration was significantly correlated with total organic carbon content and sediment grain size, implying that the nature of sedimentary organic matter and hydrodynamic forces could influence the Hg occurrence. A moderate correlation between Hg with high molecular-weight polycyclic aromatic hydrocarbons in the YRE suggested that they shared a similar input pathway. The total deposition flux of Hg was estimated to be similar to 52 t/y with a deposition rate of 6-120 ng/cm(2) y, which indicated that the estuarine-inner shelf of the ECS was a major sink of Hg in the margins off China, and this area could play a significant role in the Hg biogeochemical cycle on a global scale.
资助项目	Coastal Investigation and Research Project of China[908-ZC-I-05]
WOS关键词	COASTAL MARINE-SEDIMENTS ; POLYCYCLIC AROMATIC-HYDROCARBONS ; ECOLOGICAL RISK-ASSESSMENT ; HEAVY-METALS ; ORGANIC-MATTER ; SURFACE SEDIMENTS ; SPATIAL VARIATION ; ANTHROPOGENIC MERCURY ; ATMOSPHERIC MERCURY ; METHYL MERCURY
WOS研究方向	Oceanography
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000393005500004
内容类型	期刊论文
源URL	[http://ir.fio.com.cn:8080/handle/2SI8HI0U/26067]
专题	自然资源部第一海洋研究所
通讯作者	Hu, Limin; Guo, Zhigang
作者单位	1.Fudan Univ, Dept Environm Sci & Engn, Shanghai Key Lab Atmospher Particle Pollut Preven, Shanghai 200433, Peoples R China 2.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China 4.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Peoples R China
推荐引用方式 GB/T 7714	Liu, Wenchuan,Hu, Limin,Lin, Tian,et al. Distribution and mass inventory of mercury in sediment from the Yangtze River estuarine-inner shelf of the East China Sea[J]. CONTINENTAL SHELF RESEARCH,2017,132:29-37.
APA	Liu, Wenchuan,Hu, Limin,Lin, Tian,Li, Yuanyuan,&Guo, Zhigang.(2017).Distribution and mass inventory of mercury in sediment from the Yangtze River estuarine-inner shelf of the East China Sea.CONTINENTAL SHELF RESEARCH,132,29-37.
MLA	Liu, Wenchuan,et al."Distribution and mass inventory of mercury in sediment from the Yangtze River estuarine-inner shelf of the East China Sea".CONTINENTAL SHELF RESEARCH 132(2017):29-37.