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Distribution of Dissolved, Suspended, and Sedimentary Heavy Metals along a Salinized River Continuum
Yang, Xi1,2; Wang, Zhong-Liang1
2017-09-01
Source PublicationJOURNAL OF COASTAL RESEARCH
ISSN0749-0208
Volume33Issue:5Pages:1189-1195
Corresponding AuthorWang, Zhong-Liang(wangzhongliang@vip.skleg.cn)
AbstractAttention has been increasingly focused on the geochemical behavior of heavy metals in high-salinity estuaries, but how the salinity gradient affects the behavior of heavy metals in low-salinity rivers is not clear. In this paper, the distribution of Cr, Cu, Co, and Ni were assessed according to the proportions in three phases (dissolved, suspended particle, and surface sediment) along the Jiyunhe River in northern China. Dissolved heavy metals had a significantly positive correlation with salinity (p < 0.01), increasing along a salinity gradient from upstream to the river mouth. Suspended particulate materials were mainly derived from particles like clay rather than algae. With salinity greater than 2%, suspended heavy metals were released into the water, bringing about an increase in dissolved heavy metal content. High deviations of Cr from conservative mixing behavior occurred downstream of an urban area. In the low-salinity area, heavy metals were mainly released from particles and increased along a salinized and degraded river continuum. The distribution coefficient implied that under a salinity effect, Cr and Cu exhibited higher ecological risk and mobility, whereas Co and Ni seemed to be more conservative in the sediment of the Jiyunhe River.
KeywordHeavy metal contamination salinity gradient river estuary water purification
DOI10.2112/JCOASTRES-D-16-00120.1
WOS KeywordFRESH-WATER ; ESTUARY ; CD ; CHINA ; ADSORPTION ; KINETICS ; MOBILITY ; TIANJIN ; MATTER ; MN
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41173096] ; National Natural Science Foundation of China[41372373] ; innovation team training plan of the Tianjin Education Committee[TD12-5037] ; Opening Fund of Tianjin Key Laboratory of Water Resources and Environment[52ZKF002]
Funding OrganizationNational Natural Science Foundation of China ; innovation team training plan of the Tianjin Education Committee ; Opening Fund of Tianjin Key Laboratory of Water Resources and Environment
WOS Research AreaEnvironmental Sciences & Ecology ; Physical Geography ; Geology
WOS SubjectEnvironmental Sciences ; Geography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000409252500018
PublisherCOASTAL EDUCATION & RESEARCH FOUNDATION
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61616
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Zhong-Liang
Affiliation1.Tianjin Normal Univ, Tianjin Key Lab Water Resources & Environm, Tianjin 300387, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Yang, Xi,Wang, Zhong-Liang. Distribution of Dissolved, Suspended, and Sedimentary Heavy Metals along a Salinized River Continuum[J]. JOURNAL OF COASTAL RESEARCH,2017,33(5):1189-1195.
APA Yang, Xi,&Wang, Zhong-Liang.(2017).Distribution of Dissolved, Suspended, and Sedimentary Heavy Metals along a Salinized River Continuum.JOURNAL OF COASTAL RESEARCH,33(5),1189-1195.
MLA Yang, Xi,et al."Distribution of Dissolved, Suspended, and Sedimentary Heavy Metals along a Salinized River Continuum".JOURNAL OF COASTAL RESEARCH 33.5(2017):1189-1195.
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