Li, Mingkun1; Zhu, Shanying1; Ouyang, Tingping1; Tang, Jianhui2
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发表期刊MARINE GEOLOGY
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ISSN0025-3227
2020-09-01
卷号427页码:12
关键词Bohai SeaSurface sedimentsMagnetic propertiesProvenance
DOI10.1016/j.margeo.2020.106226
通讯作者Ouyang, Tingping(oyangtp@m.scnu.edu.cn); Tang, Jianhui(jhtang@yic.ac.cn)
英文摘要The 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.
资助机构Natural Science Foundation of Guangdong Province, China; National Natural Science Foundation of China; key project of Chinese Academy of Sciences; Postdoctoral Research Foundation of China
收录类别SCI
语种英语
关键词[WOS]ENVIRONMENTAL MAGNETISM; ROCK MAGNETISM; LIAODONG BAY; YELLOW-RIVER; PROVENANCE; ENHANCEMENT; YANGTZE; RECORD; SHELF; DUST
研究领域[WOS]Geology; Oceanography
WOS记录号WOS:000552135700013
引用统计被引频次:2[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/28593
专题中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
中科院海岸带环境过程与生态修复重点实验室
通讯作者Ouyang, Tingping; Tang, Jianhui作者单位1.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
推荐引用方式
GB/T 7714Li, Mingkun,Zhu, Shanying,Ouyang, Tingping,et al. Magnetic fingerprints of surface sediment in the Bohai Sea, China[J]. MARINE GEOLOGY,2020,427:12.
APALi, Mingkun,Zhu, Shanying,Ouyang, Tingping,Tang, Jianhui,&He, Chenjian.(2020).Magnetic fingerprints of surface sediment in the Bohai Sea, China.MARINE GEOLOGY,427,12.
MLALi, Mingkun,et al."Magnetic fingerprints of surface sediment in the Bohai Sea, China".MARINE GEOLOGY 427(2020):12.
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