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Mineral magnetic variation of the minle loess/palaeosol sequence of the late glacial to holocene period in the northeastern Tibetan Plateau

文献类型：期刊论文

作者Xiong, Jianguo2,3,4; Zhong, Yuezhi4,5; Liu, Caicai2; Liu, Qingri2,4; Zhang, Huiping2; Deng, Chenglong1; Li, Youli4
刊名GEOPHYSICAL JOURNAL INTERNATIONAL
出版日期2023-07-27
卷号235期号:2页码:1624-1638
关键词Geomorphology Environmental magnetism Tectonics and climatic interactions Holocene Chinese Loess Plateau
ISSN号0956-540X
DOI10.1093/gji/ggad305
英文摘要Located at the modern junction of the Asian Summer Monsoon and the Westerlies, the northeastern Tibetan Plateau and western Chinese Loess Plateau are in distinct climatic setting from the middle and eastern Chinese Loess Plateau. Besides, Holocene climate variations near the Asian Summer Monsoon margin are highly debated with different models proposed. We carried out environmental magnetic analyses on the Minle loess section, with continuous deposition between 13.3-0.5 ka, located near this margin. Results show that the magnetic susceptibilities of palaeosols are dominantly contributed by superparamagnetic (SP) and single-domain (SD) maghemite and/or magnetite produced by pedogenesis. Limited changes in the content of haematite indicate that dust origin hardly influenced the magnetic mineral variations. The section is divided into four substages according to the changes in magnetic indices and provides a full scene of Holocene climatic evolutions. During the coldest and driest Late Glacial (13.3-11.7 ka), it displays the weakest pedogenesis, as suggested by the lowest SP and SD concentration. The strongest pedogenesis in the Minle section produced higher magnetic susceptibility than the loess records in the Chinese Loess Plateau during the early Holocene Optimum (11.7-8.1 ka). The subsequently declined summer insolation, equatorward migrated Westerlies and the weakened Asian Summer Monsoon led to weak pedogenesis during the middle Holocene (8.1-5.3 ka). Stronger pedogenesis during the late Holocene (5.3-0.5 ka) than the middle Holocene might be due to lower evapotranspiration from weaker insolation and/or to the enhanced winter Westerlies. We attribute the spatiotemporal differences in climatic records of the Chinese loess to precipitation, effective humidity and aeolian geomorphological processes.
WOS关键词LOESS-PALEOSOL SEQUENCES ; CHINESE LOESS ; NW CHINA ; TEMPERATURE-DEPENDENCE ; ENVIRONMENTAL-CHANGE ; MOISTURE EVOLUTION ; ASIAN MONSOON ; CLIMATE ; SUSCEPTIBILITY ; ENHANCEMENT
资助项目All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences[41888101] ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences[2019QZKK0704] ; National Natural Science Foundation of China[2016ZT06N331] ; Second Tibetan Plateau Scientific Expedition and Research Program ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; China Scholarship Council ; Ganzi section ; [42225205]
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:001053455900001
出版者OXFORD UNIV PRESS
资助机构All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; China Scholarship Council ; China Scholarship Council ; Ganzi section ; Ganzi section ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; China Scholarship Council ; China Scholarship Council ; Ganzi section ; Ganzi section ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; China Scholarship Council ; China Scholarship Council ; Ganzi section ; Ganzi section ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; All the measurements were undertaken in the Palaeomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences. This research was jointly financed by the National Natural Science Foundation of China (grant nos 42 ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program ; Second Tibetan Plateau Scientific Expedition and Research Program ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; Guangdong Province Introduced Innovative Ramp;amp;D Team of Geological Processes and Natural Disasters around the South China Sea ; China Scholarship Council ; China Scholarship Council ; Ganzi section ; Ganzi section
源URL[http://ir.iggcas.ac.cn/handle/132A11/111410]  
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Zhong, Yuezhi
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.China Earthquake Adm, Inst Geol, State Key Lab Earthquake Dynam, Beijing 100029, Peoples R China
3.Sun Yat sen Univ, Sch Earth Sci & Engn, Guangdong Prov Key Lab Geodynam & Geohazards, Guangzhou 510275, Peoples R China
4.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, Beijing 100871, Peoples R China
5.Swiss Fed Inst Technol, Dept Earth Sci, CH-8092 Zurich, Switzerland
推荐引用方式
GB/T 7714		 Xiong, Jianguo,Zhong, Yuezhi,Liu, Caicai,et al. Mineral magnetic variation of the minle loess/palaeosol sequence of the late glacial to holocene period in the northeastern Tibetan Plateau[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2023,235(2):1624-1638.
APA Xiong, Jianguo.,Zhong, Yuezhi.,Liu, Caicai.,Liu, Qingri.,Zhang, Huiping.,...&Li, Youli.(2023).Mineral magnetic variation of the minle loess/palaeosol sequence of the late glacial to holocene period in the northeastern Tibetan Plateau.GEOPHYSICAL JOURNAL INTERNATIONAL,235(2),1624-1638.
MLA Xiong, Jianguo,et al."Mineral magnetic variation of the minle loess/palaeosol sequence of the late glacial to holocene period in the northeastern Tibetan Plateau".GEOPHYSICAL JOURNAL INTERNATIONAL 235.2(2023):1624-1638.

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来源：地质与地球物理研究所

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