Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals
Li, Mingkun1,3; Zhu, Shanying1; Ouyang, Tingping1,3; Tang, Jianhui2; Tang, Zhihua4
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
2021-05-15
Volume410Pages:14
KeywordHeavy metals Environmental magnetism Yellow River Estuary Laizhou Bay Marine sediment
DOI10.1016/j.jhazmat.2020.124579
Corresponding AuthorLi, Mingkun(limk@m.scnu.edu) ; Tang, Jianhui(jhtang@yic.ac.cn)
AbstractThe Yellow River Estuary (YRE) and adjacent Laizhou Bay (LB) encounter eco-environmental risks caused by heavy metals (HMs) pollution. Here magnetic measurements were performed on 239 surface sediment samples from the YRE and LB to establish a rapid and effective method for detecting HMs. Magnetite, maghemite, and hematite coexist in the sediments. The distributions of magnetic minerals are dominated by sediment sources (Yellow River in northern and western LB, and rivers in southern and eastern coastal LB), and the anticlockwise water current. Compared to the background values, Cd content is enriched for all samples, while Co, Cr, Ni, Cu, Zn, and Pb contents are lower for most samples. The low pollution load indexes (PLI) of HMs (< 1?1.56) indicate the unpolluted to moderately polluted status, while the muddy area is the most polluted. The principal component analysis indicates that Co, Cr, Ni, Cu, and Zn are mainly from natural weathering substances, while Cd and Pb are anthropogenic. Contents of fine-grained sediments and magnetic particles are positively correlated to Co, Ni, Cu, Zn, and PLI. The high-risk Co, Ni, Cu, and Zn regions can be quickly delineated with the frequencydependent susceptibility.
Funding OrganizationNational Natural Science Foundation of China ; Key Research Programs of the Chinese Academy of Sciences ; Natural Science Foundation of Guangdong Province, China ; Postdoctoral Research Foundation of China
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS IDWOS:000635538600007
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/27315
Collection中国科学院海岸带环境过程与生态修复重点实验室
Corresponding AuthorLi, Mingkun; Tang, Jianhui
Affiliation1.South China Normal Univ, Sch Geog, Guangzhou 510631, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Ocean & Marginal Sea Geol, Guangzhou 510640, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Energy Convers, Integrated Technol Ctr, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Li, Mingkun,Zhu, Shanying,Ouyang, Tingping,et al. Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals[J]. JOURNAL OF HAZARDOUS MATERIALS,2021,410:14.
APA Li, Mingkun,Zhu, Shanying,Ouyang, Tingping,Tang, Jianhui,&Tang, Zhihua.(2021).Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals.JOURNAL OF HAZARDOUS MATERIALS,410,14.
MLA Li, Mingkun,et al."Magnetic properties of the surface sediments in the Yellow River Estuary and Laizhou Bay, Bohai Sea, China: Implications for monitoring heavy metals".JOURNAL OF HAZARDOUS MATERIALS 410(2021):14.
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