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Mechanism for enhanced eolian dust flux recorded in North Pacific Ocean sediments since 4.0 Ma: Aridity or humidity at dust source areas in the Asian interior?

文献类型：期刊论文

作者Zhang, Qiang4,5; Liu, Qingsong6; Roberts, Andrew P.7; Larrasoana, Juan C.1,3; Shi, Xuefa2; Jin, Chunsheng4
刊名GEOLOGY
出版日期2020
卷号48期号:1页码:77-81
ISSN号0091-7613
DOI10.1130/G46862.1
英文摘要Eolian material within pelagic North Pacific Ocean (NPO) sediments contains considerable information about paleoclimate evolution in Asian dust source areas. Eolian signals preserved in NPO sediments have been used as indices for enhanced Asian interior aridity. We here report a detailed eolian dust record, with chemical index of alteration (CIA) and Rb/Sr variations, for NPO sediments from Ocean Drilling Program Hole 885A over the past 4.0 m.y. CIA and Rb/Sr co-vary with the dust signal carried by combined eolian hematite and goethite concentrations. Changes in CIA around the intensification of Northern Hemisphere glaciation (iNHG) event at ca. 2.75 Ma indicate that dust production in source areas was associated mostly with physical and chemical weathering before and after the iNHG event, respectively. We here attribute the eolian flux increase into the NPO across the iNHG event mainly to increased availability of wind-erodible sediment in dust source areas derived from snow and glacial meltwater runoff, which resulted from glacial expansion and enhanced snowfall in the mountains surrounding the Tarim region in response to global cooling. Our results provide a deeper understanding of Asian interior environmental changes in response to global paleoclimate changes, where dust source areas became intermittently moister rather than more arid in response to global cooling.
WOS关键词TIBETAN PLATEAU ; DUNE MOBILITY ; DEEP-SEA ; CHINA ; CLIMATE ; LOESS ; DEPOSITION ; EVOLUTION ; ISOTOPES ; GLACIERS
资助项目National Key R&D Program of China[2016YFA0601903] ; National Natural Science Foundation of China[NSFC 41430962] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; National Program on Global Change and Air-Sea Interaction[GASI-GEOGE-03] ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australian government through the Australian Research Council's LIEF funding scheme[LE140100047] ; Ocean Drilling Program - U.S. National Science Foundation (NSF)
WOS研究方向Geology
语种英语
WOS记录号WOS:000505235200017
出版者GEOLOGICAL SOC AMER, INC
资助机构National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; NSFC-Shandong Joint Fund for Marine Science Research Centers ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; National Program on Global Change and Air-Sea Interaction ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australia-New Zealand International Ocean Discovery Program Consortium (ANZIC) ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Australian government through the Australian Research Council's LIEF funding scheme ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF) ; Ocean Drilling Program - U.S. National Science Foundation (NSF)
源URL[http://ir.iggcas.ac.cn/handle/132A11/95882]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Liu, Qingsong
作者单位1.IGME, Unidad IGME Zaragoza, C Manuel Lasala 44 9 B, Zaragoza 50006, Spain
2.MNR, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Shandong, Peoples R China
3.CSIC, Inst Earth Sci Jaume Almera ICTJA, C Sole i Sabaris S-N, E-08028 Barcelona, Spain
4.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, CM2, Shenzhen 518055, Guangdong, Peoples R China
7.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 2601, Australia
推荐引用方式
GB/T 7714		 Zhang, Qiang,Liu, Qingsong,Roberts, Andrew P.,et al. Mechanism for enhanced eolian dust flux recorded in North Pacific Ocean sediments since 4.0 Ma: Aridity or humidity at dust source areas in the Asian interior?[J]. GEOLOGY,2020,48(1):77-81.
APA Zhang, Qiang,Liu, Qingsong,Roberts, Andrew P.,Larrasoana, Juan C.,Shi, Xuefa,&Jin, Chunsheng.(2020).Mechanism for enhanced eolian dust flux recorded in North Pacific Ocean sediments since 4.0 Ma: Aridity or humidity at dust source areas in the Asian interior?.GEOLOGY,48(1),77-81.
MLA Zhang, Qiang,et al."Mechanism for enhanced eolian dust flux recorded in North Pacific Ocean sediments since 4.0 Ma: Aridity or humidity at dust source areas in the Asian interior?".GEOLOGY 48.1(2020):77-81.

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来源：地质与地球物理研究所

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