Modern transport and deposition of settling particles in the northern South China Sea: Sediment trap evidence adjacent to Xisha Trough

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 中科院边缘海地质重点实验室

	Modern transport and deposition of settling particles in the northern South China Sea: Sediment trap evidence adjacent to Xisha Trough
	Liu, JG ; Clift, PD ; Yan, W ; Chen, Z ; Chen, H ; Xiang, R ; Wang, DX
刊名	DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
	2014
卷号	93 页码:145-155
关键词	Sediment trap Total particle flux Clay mineral Sediment source Deep water current Coastal currents South China Sea
ISSN号	0967-0637
其他题名	mannual of IR
通讯作者	jgliu@scsio.ac.cn
产权排序	产权排序
合作状况	填入合作性质等
中文摘要	Studies on modern sediment transport and deposition, especially studies analyzing settling particles collected with sediment traps, have rarely been carried out in the northern South China Sea. Using sediment trap time series data from Site XS1 (17 degrees 24.5'N, 110 degrees 55.0'E, water depth 1690 m) adjacent to the Xisha Trough, variations in sediment source through time have been reconstructed. These observations include total particle flux (TPF) and current data, grain size distributions, and clay mineral compositions obtained from two sediment traps deployed in 500 m and 1500 m water depth, respectively. Time series records at Site XS1 changed seasonally for both sampled layers. TPF in the lower layer (426 mg/m(2)/d) was several times that of the upper layer (113 mg/m2/d) and is affected by lateral transport. However, mean grain size (Mz) of the upper layer is greater that of the lower layer (29 vs10 mu m) due to contributions from biogenic materials. There are no clear seasonal changes in clay mineral assemblage in either the upper or lower layers. The annual percentages of four main clay minerals were 82-83% illite, 7-9% kaolinite, 6-8% chlorite and 1-3% smectite. Taiwan was the dominant sediment source (42-74%), while sediment contributions from the Red River and Annamite Chain account for 23-53% and 0-15%, respectively. Sediment supply from Taiwan could be explained by deep water current flow, while coastal currents may aid sediment transport from the Red River and small mountainous rivers of central Vietnam. (C) 2014 Elsevier Ltd. All rights reserved.
英文摘要	description.abstract
学科主题	Oceanography
收录类别	SCI
资助信息	Knowledge Innovation Program of the Chinese Academy of Sciences [SQ201201]; Basic Research Project of the State Oceanic Administration People's Republic of China; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11030103]; National Special Project on Basic Research of Science and Technology [2008FY110100]; National Key Project for Basic Research of China [2013CB956102]; Xisha Station Construction for Marine Observation [KZCX2-YW-Y202]
原文出处	PERGAMON-ELSEVIER SCIENCE LTD
语种	中文
WOS记录号	WOS:000343853200013
公开日期	2014-12-11
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/10597]
专题	南海海洋研究所_中科院边缘海地质重点实验室
推荐引用方式 GB/T 7714	Liu, JG,Clift, PD,Yan, W,et al. Modern transport and deposition of settling particles in the northern South China Sea: Sediment trap evidence adjacent to Xisha Trough[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2014,93:145-155.
APA	Liu, JG.,Clift, PD.,Yan, W.,Chen, Z.,Chen, H.,...&Wang, DX.(2014).Modern transport and deposition of settling particles in the northern South China Sea: Sediment trap evidence adjacent to Xisha Trough.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,93,145-155.
MLA	Liu, JG,et al."Modern transport and deposition of settling particles in the northern South China Sea: Sediment trap evidence adjacent to Xisha Trough".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 93(2014):145-155.