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Geochemical evidence of the indirect pathway of terrestrial particulate material transport to the Okinawa Trough
作者: Chen, Chen-Tung Arthur1,2; Kandasamy, Selvaraj3,4; Chang, Yuan-Pin1; Bai, Yan2; He, Xianqiang2,5; Lu, Jung-Tai1; Gao, Xuelu6
刊名: QUATERNARY INTERNATIONAL
ISSN号: 1040-6182
出版日期: 2017-06-16
卷号: 441, 页码:51-61
关键词: Marine sediments ; East China Sea ; Okinawa Trough ; Typhoons ; Biomarkers
DOI: 10.1016/j.quaint.2016.08.006
英文摘要: The major source of particulate matter in the East China Sea (ECS) is the Changjiang (Yangtze) River. Sediment types, the geochemical indices of terrigenous and biogenic inputs (TOC, CaCO3 and Sc), and biomarker indices such as the carbon preference index (CPI) of long-chain n-alkanes and the cinnamyli vanillyl ratio (C/V) in surface sediments, all reveal that the influence of terrestrial material initially declines away from the mouth of the Changjiang River across the ECS continental shelf. However, the influence then strengthens from the middle ECS shelf toward the continental slope and the Okinawa Trough, because when the northeast winds prevail from September to April, the Changjiang River plume flows southwestward along the coast of China. Part of this flow turns eastward in the northern Taiwan Strait, and then joins the northeastwardly flowing Kuroshio to reach the Okinawa Trough. As the central ECS is bypassed, the sediments accumulated there are geologically older, carbonate-rich and organic poor than those found off the coast of China and in the Okinawa Trough.
研究领域[WOS]: Physical Geography ; Geology
项目资助者: Ministry of Science and Technology of Taiwan(MOST 103-2611-M-110-010 ; "Aim for the Top University" program ; National Natural Science Foundation of China(41273083) ; Shanhai Fund(2013SH012) ; 104-2611-M-110-96)
关键词[WOS]: EAST-CHINA-SEA ; GULF-OF-MEXICO ; CONTINENTAL-SHELF ; ORGANIC-MATTER ; CROSS-SHELF ; NORTHEASTERN TAIWAN ; SURFACE SEDIMENTS ; SUSPENDED MATTER ; MARINE-SEDIMENTS ; GRAIN-SIZE
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000404696200005
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内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/22552
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Natl Sun Yat Sen Univ, Dept Oceanog, Kaohsiung, Taiwan
2.State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China
3.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen, Peoples R China
4.Xiamen Univ, Dept Geol Oceanog, Xiamen, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
6.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Shandong, Peoples R China

Recommended Citation:
Chen, Chen-Tung Arthur,Kandasamy, Selvaraj,Chang, Yuan-Pin,et al. Geochemical evidence of the indirect pathway of terrestrial particulate material transport to the Okinawa Trough[J]. QUATERNARY INTERNATIONAL,2017,441:51-61.
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