The challenges of signal interpretation of burials in ground-penetrating radar

IF 2.1 3区 地球科学 0 ARCHAEOLOGY Archaeological Prospection Pub Date : 2023-11-23 DOI:10.1002/arp.1920
Andrew Martindale, William T. D. Wadsworth, Eric Simons, Brian Whiting, Colin Grier
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引用次数: 1

Abstract

The identification of unmarked graves and burials is one of most common applications of ground-penetrating radar (GPR) in archaeology. Despite a high frequency of use and a long history of experimentation, there appears to be considerable variability on what indicates a burial in GPR data—likely a consequence of heterogeneity in geological contexts, age and in burial practices. Although general statements about uncertainty in GPR interpretation may be acceptable in archaeological applications, the interpretative process becomes more complicated when GPR is used to locate unmarked graves in culturally, politically and legally contested locations such as at former Indian Residential Schools (IRSs) in Canada. In this paper, we review international applications of the technique and identify trends and traits between the authors' use of GPR to identify burials. By categorizing the studies based on the GPR reflection signatures identified, our review demonstrates that there is modest consensus across the 77 documents reviewed for what represents a burial. Interrogating these findings, we identify a range of potential contributors to signal heterogeneity and outline potential steps forward to a higher confidence or more statistically robust identification of unmarked graves using GPR.
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探地雷达对墓葬信号解读的挑战
识别无标记的坟墓和埋葬是探地雷达(GPR)在考古学中最常见的应用之一。尽管使用频率很高,实验历史也很长,但探地雷达数据显示的埋藏情况似乎存在相当大的差异,这可能是地质背景、年龄和埋葬方式不均匀的结果。虽然关于探地雷达解释的不确定性的一般陈述在考古应用中可能是可以接受的,但当使用探地雷达在文化、政治和法律上有争议的地点(如加拿大的前印第安人寄宿学校)定位无标记坟墓时,解释过程变得更加复杂。在本文中,我们回顾了该技术的国际应用,并确定了作者使用探地雷达识别墓葬的趋势和特征。通过根据识别的探地雷达反射信号对研究进行分类,我们的评论表明,在77份被审查的文件中,对于代表埋葬的东西存在适度的共识。通过对这些发现的分析,我们确定了一系列可能导致信号异质性的因素,并概述了使用探地雷达对无标记坟墓进行更高可信度或更统计上可靠的识别的潜在步骤。
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来源期刊
Archaeological Prospection
Archaeological Prospection 地学-地球科学综合
CiteScore
3.90
自引率
11.10%
发文量
31
审稿时长
>12 weeks
期刊介绍: The scope of the Journal will be international, covering urban, rural and marine environments and the full range of underlying geology. The Journal will contain articles relating to the use of a wide range of propecting techniques, including remote sensing (airborne and satellite), geophysical (e.g. resistivity, magnetometry) and geochemical (e.g. organic markers, soil phosphate). Reports and field evaluations of new techniques will be welcomed. Contributions will be encouraged on the application of relevant software, including G.I.S. analysis, to the data derived from prospection techniques and cartographic analysis of early maps. Reports on integrated site evaluations and follow-up site investigations will be particularly encouraged. The Journal will welcome contributions, in the form of short (field) reports, on the application of prospection techniques in support of comprehensive land-use studies. The Journal will, as appropriate, contain book reviews, conference and meeting reviews, and software evaluation. All papers will be subjected to peer review.
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