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Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments
Liu, JG; Yan, W; Chen, Z; Lu, J; wyan@scsio.ac.cn
2012
发表期刊CONTINENTAL SHELF RESEARCH
ISSN0278-4343
卷号47页码:156-164
摘要Clay minerals of surface sediment samples from nine bays/harbors along northern coast of the South China Sea (SCS) are used for sediment sources and contribution estimation in the study areas. Results reveal that sediments in the study bays/harbors seem to be a mixture of sediments from the Pearl, Hanjiang River and local islands/rivers, but their clay mineral assemblage is distinct from that of Luzon and Taiwan sediments, indicating that sediments are derived mainly from the neighboring sources through riverine input and partly from localized sediments. Due to input of local sediments in the northern SCS, sediments from both east of the Leizhou Peninsula (Area IV) and next to the Pearl River estuary (PRE, Area II) have high smectite percent. Affected by riverine input of the Pearl and Hanjiang Rivers, sediments in west of the PRE (Area III) and east of the PRE (Area I) have high illite (average 47%) and kaolinite (54%) percents, respectively. Sediment contributions of various major sources to the study areas are estimated as the following: (1) the Hanjiang River provide 95% and 84% sediments in Areas I and II, respectively, (2) the Pearl River supply 79% and 29% sediments in Areas III and IV, respectively and (3) local sediments contribute the rest and reach the maximum (similar to 71%) in Area IV. (c) 2012 Elsevier Ltd. All rights reserved.
部门归属[Liu, Jianguo; Yan, Wen; Chen, Zhong; Lu, Jun] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
关键词Sediment Sources Contribution Estimation Surface Sediments Clay Minerals Bays/harbors South China Sea
学科领域Oceanography
语种英语
资助项目海洋地质
WOS记录号WOS:000310403800015
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10309
专题中科院边缘海地质重点实验室
通讯作者wyan@scsio.ac.cn
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GB/T 7714
Liu, JG,Yan, W,Chen, Z,et al. Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments[J]. CONTINENTAL SHELF RESEARCH,2012,47:156-164.
APA Liu, JG,Yan, W,Chen, Z,Lu, J,&wyan@scsio.ac.cn.(2012).Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments.CONTINENTAL SHELF RESEARCH,47,156-164.
MLA Liu, JG,et al."Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments".CONTINENTAL SHELF RESEARCH 47(2012):156-164.
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