气候变化领域集成服务门户(CCPortal): Holocene tephrostratigraphic framework and monsoon evolution of East Asia: Key tephra beds for synchronising palaeoclimate records

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DOI	10.1016/j.quascirev.2020.106467
	Holocene tephrostratigraphic framework and monsoon evolution of East Asia: Key tephra beds for synchronising palaeoclimate records
	Chen X.-Y.; Blockley S.P.E.; Xu Y.-G.; Menzies M.A.
发表日期	2020
ISSN	0277-3791
卷号	242
英文摘要	In East Asia our understanding of Holocene climate change, forcing mechanisms and propagation, require the precise chronological control of palaeoclimate records to allow robust integration of data sets. The existing chronologies, predominantly based on 14C method, however, are not sufficient to constrain key questions about abrupt climate shifts that occur within a century in the transitions between states. Widely dispersed tephra layers allow precise dating and synchronisation of sedimentary archives, providing a chronological framework for integrating records, especially where the visible tephra record is complemented by the addition of cryptotephra (non-visible ash). Despite significant tephra studies in this region, however, a comprehensive Holocene tephra framework is not available. To address this issue, we carry out a thorough review on Holocene tephra investigations undertaken in Japan. Using widespread tephra beds we present an integrated tephra framework and suggest the way forward for establishing this as a wider approach for East Asia. The framework is based on twenty-two ash layers that are mainly from Japan, and to a lesser extent China/N Korea, S Korea and Russia. Each tephra is assessed in terms of chronology, geochemistry and distribution. The framework is compared with high resolution palaeoclimate records from East Asia. Using this we demonstrate regional variations in monsoon evolution and more importantly, the potential of tephra isochrons in constraining such variations. Given the scarce identification of tephra layers in those well-resolved palaeoclimate records, we advocate a more systematic employment of the cryptotephra method, which would potentially lead to a significant advance in East Asian tephrochronology and the correlation of palaeoclimate archives in the region. © 2020 Elsevier Ltd
英文关键词	Cryptotephra; East Asia; East Asian summer monsoon; Holocene; Tephrochronology; Tephrostratigraphic framework
语种	英语
scopus关键词	Atmospheric thermodynamics; Climate shifts; High resolution; Holocene climate change; Monsoon evolution; Palaeoclimate archives; Regional variation; Tephrochronology; Widespread tephra; Climate change; ash; geochemical survey; Holocene; lithostratigraphy; monsoon; paleoclimate; proxy climate record; sediment chemistry; synchrony; tephra; China; Japan; North Korea; Russian Federation; South Korea
来源期刊	Quaternary Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/151380
作者单位	State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China; Department of Geography, Royal Holloway University of London, Egham, Surrey TW20 0EX, United Kingdom; Department of Earth Sciences, Royal Holloway University of London, Egham, Surrey TW20 0EX, United Kingdom
推荐引用方式 GB/T 7714	Chen X.-Y.,Blockley S.P.E.,Xu Y.-G.,et al. Holocene tephrostratigraphic framework and monsoon evolution of East Asia: Key tephra beds for synchronising palaeoclimate records[J],2020,242.
APA	Chen X.-Y.,Blockley S.P.E.,Xu Y.-G.,&Menzies M.A..(2020).Holocene tephrostratigraphic framework and monsoon evolution of East Asia: Key tephra beds for synchronising palaeoclimate records.Quaternary Science Reviews,242.
MLA	Chen X.-Y.,et al."Holocene tephrostratigraphic framework and monsoon evolution of East Asia: Key tephra beds for synchronising palaeoclimate records".Quaternary Science Reviews 242(2020).