Historical records, distributions and sources of mercury and zinc in sediments of East China sea: Implication from stable isotopic compositions

doi:10.1016/j.chemosphere.2018.04.100

IOCAS-IR > 海洋地质与环境重点实验室

	Historical records, distributions and sources of mercury and zinc in sediments of East China sea: Implication from stable isotopic compositions
	Zhang, Rui1,2,3 ; Russell, James 3; Xiao, Xin 4; Zhang, Fan 4; Li, Tiegang5,6,7 ; Liu, Zhiyong 8; Guan, Minglei 1; Han, Qi 9; Shen, Liya 1; Shu, Yujie 1
	2018-08-01
发表期刊	CHEMOSPHERE
ISSN	0045-6535
卷号	205 页码:698-708
通讯作者	Zhang, Rui(rzhang_838@163.com) ; Zhang, Fan(njuzfan@163.com) ; Li, Tiegang(tgli@fio.org.ca)
摘要	The distribution and source of mercury (Hg) and zinc (Zn) in surface sediments from East China Sea (ECS) were studied using stable isotopes. Hg concentrations in surface sediments varied from 12.6 to 133.2 ng g(-1). Zn concentrations ranged between 45.9 and 133.6 ng g(-1). Hydrodynamic circulation and sedimentary process within the ECS were the dominant factors controlling the distribution and fate of heavy metals, referring from relationships of Hg and Zn concentrations and total organic carbon (TOC) and clay contents. Spatial variations in Hg isotopic compositions (delta Hg-202) were observed in the ECS, with delta Hg-202 ranging from -1.86 to -0.83 parts per thousand and Delta Hg-199 ranging from -0.07 to +0.26 parts per thousand. The high delta Hg-202 values and relatively negative Delta Hg-199 values in estuarine and inner shelf sites indicated that the riverine inputs from Yangtze River played an important role in delivering Hg to ECS. In contrast, Hg isotopic signatures in outer shelf sediments had relatively low delta Hg-202 and positive Delta Hg-199, implying that atmospheric Hg deposition could be relatively dominant source for Hg. Moreover, application of zinc isotopes to trace anthropogenic sources has been tested, with delta Zn-66 ranging from 0.20 to 0.67 parts per thousand. The results showed significant variations of delta Zn-66 in the ECS, implying that Zn isotope compositions can be tracers of anthropogenic sources. Using these Hg isotope compositions, the source attributions of sediments in ECS were estimated based on a mixing model, suggesting that river-dominated inputs, discharging pollutants from industrial sources, and atmospheric deposition could dominate in the occurrence and fate of Hg in sediments of ECS. (C) 2018 Elsevier Ltd. All rights reserved.
关键词	Mercury Zinc Isotopic tracer Source identification East China sea Anthropogenic inputs
DOI	10.1016/j.chemosphere.2018.04.100
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[41406055] ; National Natural Science Foundation of China[41230959] ; National Natural Science Foundation of China[41476043] ; National Natural Science Foundation of China[41506106] ; Strategic Priority Research Program of the Chinese Academy of Sciences (A)[XDA11030104] ; Response of marine biotic community structure toclimate change, National Program on Global Change and Air Sea Interaction[GASI-GEOGE-06-02] ; Response of marine biotic community structure toclimate change, National Program on Global Change and Air Sea Interaction[GASI-GEOGE-04] ; International Postdoctoral Exchange Fellowship Program[20160073] ; Natural Science Foundation of Jiangsu Province[BK20170451] ; Natural Science Foundation of Jiangsu Province[BE2016701] ; Natural Science Foundation of Jiangsu Province[BK20171262] ; Six Talent Peaks Project in Jiangsu Province[JNHB-143] ; Natural Science Foundation of Lianyungang City[SH1506] ; Natural Science Foundation of Lianyungang City[CN1510] ; Natural Science Foundation of Jiangsu Provincial Department of Education[15KJD150007] ; National Natural Science Foundation of China[41406055] ; National Natural Science Foundation of China[41230959] ; National Natural Science Foundation of China[41476043] ; National Natural Science Foundation of China[41506106] ; Strategic Priority Research Program of the Chinese Academy of Sciences (A)[XDA11030104] ; Response of marine biotic community structure toclimate change, National Program on Global Change and Air Sea Interaction[GASI-GEOGE-06-02] ; Response of marine biotic community structure toclimate change, National Program on Global Change and Air Sea Interaction[GASI-GEOGE-04] ; International Postdoctoral Exchange Fellowship Program[20160073] ; Natural Science Foundation of Jiangsu Province[BK20170451] ; Natural Science Foundation of Jiangsu Province[BE2016701] ; Natural Science Foundation of Jiangsu Province[BK20171262] ; Six Talent Peaks Project in Jiangsu Province[JNHB-143] ; Natural Science Foundation of Lianyungang City[SH1506] ; Natural Science Foundation of Lianyungang City[CN1510] ; Natural Science Foundation of Jiangsu Provincial Department of Education[15KJD150007]
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:000439640900079
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：24[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/163475
专题	海洋地质与环境重点实验室
通讯作者	Zhang, Rui; Zhang, Fan; Li, Tiegang
作者单位	1.Huaihai Inst Technol, Sch Geodesy & Geomat Engn, Lianyungang 222005, Jiangsu, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 3.Brown Univ, Dept Earth Environm & Planetary Sci, Providence, RI 02912 USA 4.Huaihai Inst Technol, Dept Chem Engn, Lianyungang 222005, Jiangsu, Peoples R China 5.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Shandong, Peoples R China 6.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China 7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 8.Soochow Univ, Coll Med, Sch Radiat Med & Protect, Suzhou 100083, Jiangsu, Peoples R China 9.China Univ Geosci, Sch Ocean Sci, Beijing 100083, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Zhang, Rui,Russell, James,Xiao, Xin,et al. Historical records, distributions and sources of mercury and zinc in sediments of East China sea: Implication from stable isotopic compositions[J]. CHEMOSPHERE,2018,205:698-708.
APA	Zhang, Rui.,Russell, James.,Xiao, Xin.,Zhang, Fan.,Li, Tiegang.,...&Shu, Yujie.(2018).Historical records, distributions and sources of mercury and zinc in sediments of East China sea: Implication from stable isotopic compositions.CHEMOSPHERE,205,698-708.
MLA	Zhang, Rui,et al."Historical records, distributions and sources of mercury and zinc in sediments of East China sea: Implication from stable isotopic compositions".CHEMOSPHERE 205(2018):698-708.