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Orbital-scale evolution of the Indian summer monsoon since 1.2 Ma:Evidence from clay mineral records at IODP Expedition 355 Site U1456 in the eastern Arabian Sea

文献类型：期刊论文

作者Chen, Hongjin1,3; Xu, Zhaokai1,2; Clift, Peter D.4,5; Lim, Dhongil6; Khim, Boo-Keun7; Yu, Zhaojie1
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2019-05-01
卷号174页码:11-22
关键词International Ocean Discovery Program Eastern Arabian Sea Site U1456 Clay minerals Erosion and weathering Indian summer monsoon
ISSN号1367-9120
DOI10.1016/j.jseaes.2018.10.012
通讯作者Xu, Zhaokai(zhaokaixu@qdio.ac.cn) ; Khim, Boo-Keun(bkkhim@pusan.ac.kr)
英文摘要Clay mineral assemblages at International Ocean Discovery Program Expedition 355 Site U1456 drilled in the eastern Arabian Sea have been investigated to reveal the sediment provenances and reconstruct the erosion/weathering patterns in the western Himalaya and Indian subcontinent, thus constraining the evolution of the Indian summer monsoon and its forcing mechanism since 1.2 Ma. The clay mineral assemblages at Site U1456 mainly comprise smectite (with an average value of 59%) and illite (with an average value of 33%), with chlorite (with an average value of 5%) and kaolinite (with an average value of 3%) as minor constituents. In terms of sediment provenance, our results indicate that illite and chlorite are predominantly derived from the Indus River, which originates from the western Himalaya and Karakoram, while smectite is primarily sourced from the Narmada River and Tapti River in the Deccan Traps, with a non-negligible contribution from the Indus River in some cases. Variations in smectite/(illite + chlorite) ratio are ultimately controlled by the Indian summer monsoon, which is characterized by approximate glacial/interglacial cyclicity, showing higher values (i.e., enhanced chemical weathering) during interglacial periods. In addition, a major shift in smectite/(illite + chlorite) ratio at 0.9 Ma is correlated to the Mid-Pleistocene Transition (similar to 1.2-0.9 Ma). Both the Marine Isotope Stage 13 event (533-478 ka) and the Mid-Brunhes Event (similar to 430 ka) are also recorded in the clay mineral proxies. Based on the spectral analysis, smectite/(illite + chlorite) ratio displays a transition from nonprimary periodicity (29-kyr) to strong eccentricity (100-kyr) and precession (22-kyr) periodicities at approximately 0.9 Ma, which corresponds to the Mid-Pleistocene Transition. Our study indicates that the variability of the Indian summer monsoon at orbital timescales is controlled by high-latitude (i.e., ice volume) and low-latitude (i.e., summer insolation) processes.
资助项目National Natural Science Foundation of China[41676038] ; Scientific and Technological Innovation Project - Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; National Special Project for Global Change and Air Sea Interaction[GASI-GEOGE-02] ; National Special Project for Global Change and Air Sea Interaction[GASI-GEOGE-06-04] ; National Special Project for Global Change and Air Sea Interaction[GASI-GEOGE-04] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; National Research Foundation of Korea[2016K2A9A2A08003704] ; National Research Foundation of Korea[2016R1A2B4008256] ; Korea Institute of Ocean Science Technology[PE99432]
WOS研究方向Geology
语种英语
WOS记录号WOS:000465056600002
出版者PERGAMON-ELSEVIER SCIENCE LTD
源URL[http://ir.qdio.ac.cn/handle/337002/161149]  
专题海洋研究所_海洋地质与环境重点实验室
通讯作者Xu, Zhaokai; Khim, Boo-Keun
作者单位1.Chinese Acad Sci, CAS Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA
5.Nanjing Normal Univ, Sch Geog Sci, Nanjing 210023, Jiangsu, Peoples R China
6.Korea Inst Ocean Sci & Technol, South Sea Res Inst, Geoje 656830, South Korea
7.Pusan Natl Univ, Dept Oceanog, Busan 46241, South Korea
推荐引用方式
GB/T 7714		 Chen, Hongjin,Xu, Zhaokai,Clift, Peter D.,et al. Orbital-scale evolution of the Indian summer monsoon since 1.2 Ma:Evidence from clay mineral records at IODP Expedition 355 Site U1456 in the eastern Arabian Sea[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,174:11-22.
APA Chen, Hongjin,Xu, Zhaokai,Clift, Peter D.,Lim, Dhongil,Khim, Boo-Keun,&Yu, Zhaojie.(2019).Orbital-scale evolution of the Indian summer monsoon since 1.2 Ma:Evidence from clay mineral records at IODP Expedition 355 Site U1456 in the eastern Arabian Sea.JOURNAL OF ASIAN EARTH SCIENCES,174,11-22.
MLA Chen, Hongjin,et al."Orbital-scale evolution of the Indian summer monsoon since 1.2 Ma:Evidence from clay mineral records at IODP Expedition 355 Site U1456 in the eastern Arabian Sea".JOURNAL OF ASIAN EARTH SCIENCES 174(2019):11-22.

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来源：海洋研究所

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