Magnetic fingerprints of surface sediment in the Bohai Sea, China
Li, Mingkun1; Zhu, Shanying1; Ouyang, Tingping1; Tang, Jianhui2; He, Chenjian1
Source PublicationMARINE GEOLOGY
KeywordBohai Sea Surface sediments Magnetic properties Provenance
Corresponding AuthorOuyang, Tingping( ; Tang, Jianhui(
AbstractThe understanding of the surrounding river impacts on the sediment supply to the Bohai Sea, northern China, is insufficient. In this study, magnetic measurements on surface sediment from the Bohai Sea and surrounding rivers were performed to interpret the distribution and origin of sediment in the Bohai Sea. Different magnetic properties in the analyzed material correspond to seven provenance areas. The magnetic mineral content decreases gradually toward the central Bohai Sea from its marginal areas. Sediment in the central and northern parts contains higher concentrations of finer magnetic minerals than the southern Bohai Sea. The western Bohai Sea (western Bohai and Liaodong bays) has high contents of magnetic minerals because its provenance areas contain abundant old metamorphic rocks with magnetite. The Yellow River, with the most elevated sediment flux, contributes with fine, high-corercivity magnetic minerals (e.g., hematite) to the southern Bohai Sea (mainly in the northwestern Laizhou Bay). Some local rivers (e.g., Fuzhou River) are also important contributors to the coastal waters, due to the magnetic similarities. Sediment from the north Yellow Sea is magnetically similar to the Yellow River detritus. The results highlight the use of the rapid magnetic method in provenance tracing.
Funding OrganizationNatural Science Foundation of Guangdong Province, China ; National Natural Science Foundation of China ; key project of Chinese Academy of Sciences ; Postdoctoral Research Foundation of China
Indexed BySCI
WOS Research AreaGeology ; Oceanography
WOS IDWOS:000552135700013
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorOuyang, Tingping; 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
Recommended Citation
GB/T 7714
Li, Mingkun,Zhu, Shanying,Ouyang, Tingping,et al. Magnetic fingerprints of surface sediment in the Bohai Sea, China[J]. MARINE GEOLOGY,2020,427:12.
APA Li, Mingkun,Zhu, Shanying,Ouyang, Tingping,Tang, Jianhui,&He, Chenjian.(2020).Magnetic fingerprints of surface sediment in the Bohai Sea, China.MARINE GEOLOGY,427,12.
MLA Li, Mingkun,et al."Magnetic fingerprints of surface sediment in the Bohai Sea, China".MARINE GEOLOGY 427(2020):12.
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