IGGCAS OpenIR  > 新生代地质与环境院重点实验室
A new correlation between Chinese loess and deep-sea delta O-18 records since the middle Pleistocene
Jin, Chunsheng1,2; Liu, Qingsong3,4; Xu, Deke1; Sun, Jimin1,2; Li, Cange1; Zhang, Yun1; Han, Peng1; Liang, Wentian5
2019-01-15
发表期刊EARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
卷号506页码:441-454
摘要The Quaternary Chinese loess is one of the most continuous terrestrial sediments, and preserves excellent palaeoclimate records at different timescales. The conventional land-ocean palaeoclimatic comparison has been established by correlation between magnetic susceptibility of the Chinese loess and deep-sea delta O-18 records during the 1980s. However, such a correlation results in long-standing debates on the lock-in depth of the palaeomagnetic polarity boundaries in Chinese loess. In this study, the lock-in depth of palaeomagnetic signals for loess <130 ka were estimated through correlation between palaeomagnetic relative palaeointensity (RPI) and Be-10 RPI curves, and are linearly related with the calculated loess dust accumulation rate. Palaeomagnetic displacement for the geomagnetic polarity boundaries and excursions in the middle Pleistocene loess at Luochuan, Zhaojiachuan and Lingtai sections could be estimated using the linear relation only in decimeter scale (generally <50 cm) which indicates paleomagnetic boundaries in Chinese loess can be used as reliable age control points after moderate adjustments. Based on this as well as a high-resolution loess magnetostratigraphy and grain-size sequence, we propose a new scheme for palaeoclimatic correlation between Chinese loess and marine sediments since the middle Pleistocene. (C) 2018 Elsevier B.V. All rights reserved.
关键词Chinese loess lock-in depth natural remanent magnetization marine oxygen isotope record grain size palaeomagnetic relative palaeointensity
DOI10.1016/j.epsl.2018.11.022
资助者Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC
关键词[WOS]BRUNHES GEOMAGNETIC REVERSAL ; EMPIRICAL MODE DECOMPOSITION ; MAGNETIZATION LOCK-IN ; OXYGEN-ISOTOPE ; ASTRONOMICAL CALIBRATION ; MATUYAMA CHRON ; NORTH-ATLANTIC ; GRAIN-SIZE ; MARINE ; SUSCEPTIBILITY
语种英语
资助项目Strategic Priority Research Program of CAS[XDA20070202] ; Strategic Priority Research Program of CAS[XDB26000000] ; NSFC[41430962] ; NSFC[41672168] ; NSFC[41672200]
资助者Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC ; Strategic Priority Research Program of CAS ; Strategic Priority Research Program of CAS ; NSFC ; NSFC
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000455693800042
出版者ELSEVIER SCIENCE BV
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90219
专题新生代地质与环境院重点实验室
通讯作者Jin, Chunsheng; Liu, Qingsong
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Southern Univ Sci & Technol, Dept Ocean Sci & Engn, Shenzhen 518055, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
5.Northwest Univ, State Key Lab Continental Dynam, Xian 710069, Shaanxi, Peoples R China
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GB/T 7714
Jin, Chunsheng,Liu, Qingsong,Xu, Deke,et al. A new correlation between Chinese loess and deep-sea delta O-18 records since the middle Pleistocene[J]. EARTH AND PLANETARY SCIENCE LETTERS,2019,506:441-454.
APA Jin, Chunsheng.,Liu, Qingsong.,Xu, Deke.,Sun, Jimin.,Li, Cange.,...&Liang, Wentian.(2019).A new correlation between Chinese loess and deep-sea delta O-18 records since the middle Pleistocene.EARTH AND PLANETARY SCIENCE LETTERS,506,441-454.
MLA Jin, Chunsheng,et al."A new correlation between Chinese loess and deep-sea delta O-18 records since the middle Pleistocene".EARTH AND PLANETARY SCIENCE LETTERS 506(2019):441-454.
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