Improved age estimates for key Late Quaternary European tephra horizons in the RESET lattice

Improved age estimates for key Late Quaternary European tephra horizons in the RESET lattice
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改进了 RESET 晶格中重要的晚第四纪欧洲火山灰地层的年龄估计

DOI:
10.1016/j.quascirev.2014.11.007
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发表时间:
2015
影响因子:
4
通讯作者:
Bronk Ramsey C
Bronk Ramsey C
中科院分区:
地球科学1区
文献类型:
--
作者:
Bronk Ramsey C

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“人类对环境突变的反应”(Response of Humans to Abrupt Environmental Transitions)研究项目使用火山灰层将考古和环境遗址的地层记录联系在一起并同步。随着火山灰作为沉积序列中年代学标志物的重要性日益增加,在本项目中以及更普遍的情况下,需要对这些火山层位的绝对年龄进行良好的估计。本文总结了时间范围为10-60 ka BP,从现有的文献中,从产生的论文的一部分,ESTA项目,并进行重新分析,本文的关键火山灰在火山灰晶格的年表。该文件概述了按时间顺序的方法采取的定年的火山灰内的冰核项目,并为进一步的工作的基础,作为INTIMATE(整合冰芯MARINE和地球记录)倡议的一部分。对于晶格中的每个火山灰层,讨论了现有的文献,并使用最新的放射性碳校准曲线(IntCal 13和Marine 13)和方法更新了相关的日期估计。地图显示了火山灰发现的大致范围,直观地显示了不同时期晶格的覆盖范围。
The research project ‘Response of Humans to Abrupt Environmental Transitions’ (RESET) used tephra layers to tie together and synchronise the chronologies of stratigraphic records at archaeological and environmental sites. With the increasing importance of tephra as chronological markers in sedimentary sequences, both in this project and more generally, comes a requirement to have good estimates for the absolute age of these volcanic horizons. This paper summarises the chronology of the key tephra in the RESET tephra lattice in the time range 10–60 ka BP, from the existing literature, from papers produced as part of the RESET project, and reanalysis conducted for this paper. The paper outlines the chronological approach taken to the dating of tephra within the RESET project, and the basis for further work, as part of the INTIMATE (INTegrating Ice core MArine and TErrestrial records) initiative. For each of the tephra layers in the lattice, the existing literature is discussed and, where relevant date estimates updated using the latest radiocarbon calibration curves (IntCal13 and Marine13) and methods. Maps show the approximate extent of tephra finds, giving a visual indication of the coverage of the lattice in different time-periods.
RESET tephra 数据库和相关分析工具
DOI: 10.1016/j.quascirev.2014.11.008
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影响因子: 4
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通讯作者: Bronk Ramsey C
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