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学科主题: Chemistry ; Oceanography
题名: Late Holocene elemental and isotopic carbon and nitrogen records from the East China Sea inner shelf: Implications for monsoon and upwelling
作者: Hu, BQ ; Li, J ; Zhao, JT ; Wei, HL ; Yin, XJ ; Li, GG ; Liu, Y ; Sun, ZL ; Zou, L ; Bai, FL ; Dou, YG ; Wang, LB ; Sun, RT
通讯作者: junli741001@gmail.com
关键词: East China Sea ; Stable isotopes ; East Asian monsoon ; Upwelling ; Late Holocene
刊名: MARINE CHEMISTRY
发表日期: 2014
卷: 162, 页:60-70
收录类别: sci
部门归属: [Hu, Bangqi ; Li, Jun ; Zhao, Jingtao ; Wei, Helong ; Liu, Yin ; Sun, Zhilei ; Zou, Liang ; Bai, Fenglong ; Dou, Yanguang ; Wang, Libo] Qingdao Inst Marine Geol, Minist Land & Resources, Key Lab Marine Hydrocarbon Resources & Environm G, Qingdao 266071, Shandong, Peoples R China ; [Hu, Bangqi ; Zhao, Jingtao] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China ; [Hu, Bangqi ; Zhao, Jingtao] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Yin, Xijie] State Ocean Adm, Inst Oceanog 3, Xiamen 361005, Peoples R China ; [Li, Guogang] State Ocean Adm, North China Sea Branch, Qingdao 266033, Peoples R China ; [Sun, Rongtao] Shandong Univ Technol, Sch Resources & Environm Engn, Zibo 255049, Peoples R China
项目归属: 海洋地质
资助者: National Key Basic Research Program of China [2013CB429701]; National Natural Science Foundation of China [41206049, 41006021, 41376079]; Open Foundation of the State Key Laboratory of Loess and Quaternary Geology [SKLLQG1107]; Open Foundation of the CAS Key Laboratory of Marginal Sea Geology [MSGL12-01]; Open Foundation of the Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology [MRE201231]
摘要: The East China Sea (ECS) is characterized by a relatively high riverine martial input that is associated with East Asian monsoon systems. In this study, we investigated a 272 cm-long sediment core (THB-2) from the ECS inner shelf for the AMS C-14 dating, grain size, total organic carbon (TOC), total nitrogen (TN), and stable carbon and nitrogen (delta C-13 and delta N-15) isotopes to provide insights into previous changes in the monsoon-climate and the intensity of the coastal upwelling. A three end-member (riverine, deltaic, and marine) mixing model was applied to determine the temporal variations in sedimentary organic matter sources. The transport and burial of the Changjiang riverine organic carbon in the ECS inner shelf is strongly controlled by the combined effects of the monsoon-climate and human activities during the late Holocene. The sedimentary delta N-15 records of the THB-2 core are more complex and may be best explained by changes in the nutrient utilization in the coastal zone surface waters. The downcore variations of the marine organic matter-delta N-15 are closely related to the intensity of East Asian summer monsoon during the last 3.6 ka. The stronger East Asian summer monsoon likely favored the intensive coastal upwelling and additional Changjiang discharge during the 3.6-2.7 ka and 0.4-0 ka periods, which triggered the greater relative nitrate utilization in the coastal surface water. (C) 2014 Elsevier B.V. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000337012700007
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10624
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Hu, BQ; Li, J; Zhao, JT; Wei, HL; Yin, XJ; Li, GG; Liu, Y; Sun, ZL; Zou, L; Bai, FL; Dou, YG; Wang, LB; Sun, RT.Late Holocene elemental and isotopic carbon and nitrogen records from the East China Sea inner shelf: Implications for monsoon and upwelling,MARINE CHEMISTRY,2014,162():60-70
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