The RESET project: Constructing a European tephra lattice for refined synchronisation of environmental and archaeological events during the last c. 100 ka

The RESET project: Constructing a European tephra lattice for refined synchronisation of environmental and archaeological events during the last c. 100 ka
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RESET 项目:构建欧洲火山灰网格,以精确同步过去 100 ka 期间的环境和考古事件

DOI:
10.1016/j.quascirev.2015.04.006
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发表时间:
2015
影响因子:
4
通讯作者:
--
中科院分区:
地球科学1区
文献类型:
--
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本文介绍了RESET项目(人类对环境突变的反应)的目标和范围,该项目是由自然环境研究理事会(英国)在2008至2013年间资助的一个研究方案;它还提供了第四纪科学评论专册中收录的论文的背景和理由,其中报告了该项目的一些发现。RESET研究了用来建立环境突然转变(AET)时间与人类扩散和发展时间之间因果联系的时间顺序和相关方法,重点放在旧石器时代中期和晚期。感兴趣的时期是最后一次冰川旋回和全新世早期(约100-800万年),在此期间发生了一些明显的AETs。一个长期争论的话题是,旧石器时代欧洲和地中海地区的人类历史在多大程度上受到了这些AET的影响,但事实证明,由于缺乏对年代的控制,这一点很难评估。为了推动科学向前发展,Reset研究了Tephra等时线,特别是不可见的火山灰层(密码短语)可能提供的以更高程度的精细同步古记录的潜力。该项目产生的新的盖层地层学数据增强了以前为该地区建立的Tephra框架,并支持了一个更进化的Tephra‘网格’,它将格陵兰、欧洲大陆、地中海和北非的海底层序之间的古记录联系在一起。这篇论文还概述了这本特别卷的其他贡献的意义:这些共同说明了晶格是如何构建的,它是如何与欧洲和其他地方的同源Tephra研究联系在一起的,以及Tephra等时线的证据如何开始挑战关于旧石器时代环境变化对人类影响的长期观点。
This paper introduces the aims and scope of the RESET project (RESponse of humans to abruptEnvironmentalTransitions), a programme of research funded by the Natural Environment Research Council (UK) between 2008 and 2013; it also provides the context and rationale for papers included in a special volume ofQuaternary Science Reviewsthat report some of the project's findings. RESET examined the chronological and correlation methods employed to establish causal links between the timing of abrupt environmental transitions (AETs) on the one hand, and of human dispersal and development on the other, with a focus on the Middle and Upper Palaeolithic periods. The period of interest is the Last Glacial cycle and the early Holocene (c. 100–8 ka), during which time a number of pronounced AETs occurred. A long-running topic of debate is the degree to which human history in Europe and the Mediterranean region during the Palaeolithic was shaped by these AETs, but this has proved difficult to assess because of poor dating control. In an attempt to move the science forward, RESET examined the potential that tephra isochrons, and in particular non-visible ash layers (cryptotephras), might offer for synchronising palaeo-records with a greater degree of finesse. New tephrostratigraphical data generated by the project augment previously-established tephra frameworks for the region, and underpin a more evolved tephra ‘lattice’ that links palaeo-records between Greenland, the European mainland, sub-marine sequences in the Mediterranean and North Africa. The paper also outlines the significance of other contributions to this special volume: collectively, these illustrate how the lattice was constructed, how it links with cognate tephra research in Europe and elsewhere, and how the evidence of tephra isochrons is beginning to challenge long-held views about the impacts of environmental change on humans during the Palaeolithic.
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