IOCAS-IR  > 海洋地质与环境重点实验室
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
Chen, Hongjin1,3; Xu, Zhaokai1,2; Clift, Peter D.4,5; Lim, Dhongil6; Khim, Boo-Keun7; Yu, Zhaojie1
2019-05-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
Volume174Pages:11-22
Corresponding AuthorXu, Zhaokai(zhaokaixu@qdio.ac.cn) ; Khim, Boo-Keun(bkkhim@pusan.ac.kr)
AbstractClay 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.
KeywordInternational Ocean Discovery Program Eastern Arabian Sea Site U1456 Clay minerals Erosion and weathering Indian summer monsoon
DOI10.1016/j.jseaes.2018.10.012
Indexed BySCI
Language英语
Funding ProjectNational 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 Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000465056600002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161150
Collection海洋地质与环境重点实验室
Corresponding AuthorXu, Zhaokai; Khim, Boo-Keun
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
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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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