Institutional Repository of Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
| Sea-level changes controlled detrital sediment inputs to the Bicol Shelf in the western Philippine Sea since 150 ka | |
Zhang Zhishun1,2,3; Jiang Fuqing1,2,4; Li Tiegang4,5 ; Yang Dezhou4,6; Zhou Xiaojing7; Xiong Zhifang4,5; Qiu Xiaohua8; Jia Qi5; Yan Yu1,2,3; Feng Xuguang9
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| 2020-07-08 | |
| 发表期刊 | JOURNAL OF OCEANOLOGY AND LIMNOLOGY
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| ISSN | 2096-5508 |
| 页码 | 16 |
| 通讯作者 | Jiang Fuqing([email protected]) ; Li Tiegang([email protected]) |
| 摘要 | Detrital sediments derived from the Philippine Islands are one of the main sources of deep-sea sediments in the western Philippine Sea. However, systematic research on their characteristics and transport mechanisms are lacking. We used parametric end-member analysis to quantitatively partition the grain size of detrital sediments in core MD06-3052 from the Bicol Shelf in the western Philippine Sea; three end-members EM1, EM2, and EM3, whose respective modes were at 2, 10, and 45 mu m, were separated. We also measured the Sr and Nd isotopic compositions of different size fractions (20 mu m) of the detrital sediments and the results showed that the detrital sediments mainly originate from the Philippine Islands. Components EM1 and EM2 are transported to the Bicol Shelf mainly by surface and bottom currents from the islands, and component EM3 is delivered by gravity flow from the exposed shelf during low sea-level stands. The content of the total detrital fraction and the three end-members, as well as the mass accumulation rates (MARs) of the coarse detritus (EM2 and EM3), were considerably higher during glacial periods (40-14 ka and 150-130 ka) than during other intervals; the glacials corresponded to a low sea level, while the MAR of the fine detritus (EM1) did not increase remarkably during 40-14 ka. We therefore concluded that the input of coarse detritus to the Bicol Shelf from the islands was mainly controlled by sea-level change. Variations of the input of fine-grained detritus (EM1) was influenced not only by sea level but also by ocean currents and regional precipitation. Overall, our results help understand "source-to-sink" processes in the western Pacific marginal seas and their response to global change. |
| 关键词 | Bicol Shelf late Pleistocene grain size sea level change |
| DOI | 10.1007/s00343-020-0051-4 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Natural Science Foundation of China[41776065]; National Natural Science Foundation of China[41576050]; National Natural Science Foundation of China[41830539]; Basic Scientific Fund for National Public Research Institutes of China[2019S04]; Basic Scientific Fund for National Public Research Institutes of China[2017Y07]; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000]; Open Fund of Qingdao National Laboratory for Marine Science and Technology[QNLM2016ORP0205] |
| WOS研究方向 | Marine & Freshwater Biology ; Oceanography |
| WOS类目 | Limnology ; Oceanography |
| WOS记录号 | WOS:000546525000007 |
| 出版者 | SCIENCE PRESS |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/167895 |
| 专题 | 海洋环流与波动重点实验室 海洋地质与环境重点实验室 |
| 通讯作者 | Jiang Fuqing; Li Tiegang |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266237, Peoples R China 5.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China 6.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China 7.Dalian Ocean Univ, Sch Marine Sci & Environm, Dalian 116023, Peoples R China 8.1 Inst Geol & Mineral Resources Shandong Prov, Jinan 250014, Peoples R China 9.Nanjing Univ, Sch Geog & Ocean Sci, Nanjing 210023, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所; 中国科学院海洋大科学研究中心 |
| 通讯作者单位 | 中国科学院海洋研究所; 中国科学院海洋大科学研究中心 |
| 推荐引用方式 GB/T 7714 | Zhang Zhishun,Jiang Fuqing,Li Tiegang,et al. Sea-level changes controlled detrital sediment inputs to the Bicol Shelf in the western Philippine Sea since 150 ka[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020:16. |
| APA | Zhang Zhishun.,Jiang Fuqing.,Li Tiegang.,Yang Dezhou.,Zhou Xiaojing.,...&Feng Xuguang.(2020).Sea-level changes controlled detrital sediment inputs to the Bicol Shelf in the western Philippine Sea since 150 ka.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,16. |
| MLA | Zhang Zhishun,et al."Sea-level changes controlled detrital sediment inputs to the Bicol Shelf in the western Philippine Sea since 150 ka".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2020):16. |
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