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A reassessment of late glacial - Holocene diatom oxygen isotope record from Lake Baikal using a geochemical mass-balance approach

文献类型：期刊论文

作者Mackay, Anson W.1; Swann, George E. A.2; Brewer, Tim S.3; Leng, Melanie J.4; Morley, David W.1,5; Piotrowska, Natalia6; Rioual, Patrick7; White, Dustin8
刊名JOURNAL OF QUATERNARY SCIENCE
出版日期2011-08-01
卷号26期号:6页码:627-634
关键词delta(18)O(diatom) Holocene IRD events Lake Baikal late glacial
ISSN号0267-8179
DOI10.1002/jqs.1484
文献子类Article
英文摘要We present a new palaeoenvironmental record of hydrological variability in Lake Baikal, based on re-modelled delta(18)O(diatom) values of diatom silica (delta(18)O(modelled)), where the residual contaminants are identified and compensated for using electron optical imaging and whole-sample geochemistry. delta(18)O(modelled) interpretations are based on the balance between rivers with high delta(18)O values and rivers with low delta(18)O values. Isotopic variability is related to latitudinal differences in precipitation which feed these rivers. The delta(18)O(modelled) record suggests that rather moist conditions prevailed in the Lake Baikal region during the latter stages of the Younger Dryas. Throughout the Holocene, episodes of low delta(18)O(modelled) values are, in general, in good agreement with increases in percentage haematite-stained grains in North Atlantic sediments (indicative of ice-rafted debris events). Rivers with southerly catchments dominate fluvial input especially between c. 3.3 and 2 cal ka BP, concurrent with high precipitation in the Lake Baikal region. Copyright (C) 2011 John Wiley & Sons, Ltd.
WOS关键词CLIMATE VARIABILITY ; ENVIRONMENTAL-CHANGE ; BIOGENIC SILICA ; POLLEN RECORDS ; CENTRAL-ASIA ; SEDIMENTS ; MONGOLIA ; PALEOCLIMATE ; SIBERIA ; BASIN
WOS研究方向Geology ; Paleontology
语种英语
WOS记录号WOS:000294583000008
出版者WILEY-BLACKWELL
资助机构EU(EVK2-2000-00057) ; EU(EVK2-2000-00057) ; NERC NIGL(IP/635/0300) ; NERC NIGL(IP/635/0300) ; NERC(NER/S/A/2001/06430) ; NERC(NER/S/A/2001/06430) ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Royal Society through the UK BICER ; Royal Society through the UK BICER ; EU(EVK2-2000-00057) ; EU(EVK2-2000-00057) ; NERC NIGL(IP/635/0300) ; NERC NIGL(IP/635/0300) ; NERC(NER/S/A/2001/06430) ; NERC(NER/S/A/2001/06430) ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Royal Society through the UK BICER ; Royal Society through the UK BICER ; EU(EVK2-2000-00057) ; EU(EVK2-2000-00057) ; NERC NIGL(IP/635/0300) ; NERC NIGL(IP/635/0300) ; NERC(NER/S/A/2001/06430) ; NERC(NER/S/A/2001/06430) ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Royal Society through the UK BICER ; Royal Society through the UK BICER ; EU(EVK2-2000-00057) ; EU(EVK2-2000-00057) ; NERC NIGL(IP/635/0300) ; NERC NIGL(IP/635/0300) ; NERC(NER/S/A/2001/06430) ; NERC(NER/S/A/2001/06430) ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Major Collaborative Research Initiative (MCRI) of the Social Sciences and Humanities Research Council of Canada ; Royal Society through the UK BICER ; Royal Society through the UK BICER
源URL[http://ir.iggcas.ac.cn/handle/132A11/74050]  
专题中国科学院地质与地球物理研究所
通讯作者Mackay, Anson W.
作者单位1.UCL, Dept Geog, Environm Change Res Ctr, London WC1E 6BT, England
2.Univ Nottingham, Sch Geog, Nottingham NG7 2RD, England
3.Univ Leicester, Dept Geol, Leicester LE1 7RH, Leics, England
4.British Geol Survey, NERC Isotope Geosci Lab, Nottingham NG12 5GG, England
5.Univ Oxford, Dept Zool, Spatial Ecol & Epidemiol Grp, Oxford OX1 3PS, England
6.Silesian Tech Univ, Inst Phys, Dept Radioisotopes, GADAM Ctr Excellence, Gliwice, Poland
7.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
8.Univ Southampton, Southampton, Hants, England
推荐引用方式
GB/T 7714		 Mackay, Anson W.,Swann, George E. A.,Brewer, Tim S.,et al. A reassessment of late glacial - Holocene diatom oxygen isotope record from Lake Baikal using a geochemical mass-balance approach[J]. JOURNAL OF QUATERNARY SCIENCE,2011,26(6):627-634.
APA Mackay, Anson W..,Swann, George E. A..,Brewer, Tim S..,Leng, Melanie J..,Morley, David W..,...&White, Dustin.(2011).A reassessment of late glacial - Holocene diatom oxygen isotope record from Lake Baikal using a geochemical mass-balance approach.JOURNAL OF QUATERNARY SCIENCE,26(6),627-634.
MLA Mackay, Anson W.,et al."A reassessment of late glacial - Holocene diatom oxygen isotope record from Lake Baikal using a geochemical mass-balance approach".JOURNAL OF QUATERNARY SCIENCE 26.6(2011):627-634.

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来源：地质与地球物理研究所

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