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Acoustic mapping of submerged stone age sites—A HALD approach

Grøn, Ole ; Boldreel, Lars Ole ; Smith, Morgan F. ; Joy, Shawn ; Boumda, Rostand Tayong ; Mäder, Andreas ; Bleicher, Niels ; Madsen, Bo ; Cvikel, Deborah and Nilsson, Björn LU , et al. (2021) In Remote Sensing 13(3).
Abstract

Acoustic response from lithics knapped by humans has been demonstrated to facilitate effective detection of submerged Stone Age sites exposed on the seafloor or embedded within its sediments. This phenomenon has recently enabled the non-invasive detection of several hitherto unknown submerged Stone Age sites, as well as the registration of acoustic responses from already known localities. Investigation of the acoustic-response characteristics of knapped lithics, which appear not to be replicated in naturally cracked lithic pieces (geofacts), is presently on-going through laboratory experiments and finite element (FE) modelling of high-resolution 3D-scanned pieces. Experimental work is also being undertaken, employing chirp sub-bottom... (More)

Acoustic response from lithics knapped by humans has been demonstrated to facilitate effective detection of submerged Stone Age sites exposed on the seafloor or embedded within its sediments. This phenomenon has recently enabled the non-invasive detection of several hitherto unknown submerged Stone Age sites, as well as the registration of acoustic responses from already known localities. Investigation of the acoustic-response characteristics of knapped lithics, which appear not to be replicated in naturally cracked lithic pieces (geofacts), is presently on-going through laboratory experiments and finite element (FE) modelling of high-resolution 3D-scanned pieces. Experimental work is also being undertaken, employing chirp sub-bottom systems (reflection seismic) on known sites in marine areas and inland water bodies. Fieldwork has already yielded positive results in this initial stage of development of an optimised Human-Altered Lithic Detection (HALD) method for mapping submerged Stone Age sites. This paper reviews the maritime archaeological perspectives of this promising approach, which potentially facilitates new and improved practice, summarizes existing data, and reports on the present state of development. Its focus is not reflection seismics as such, but a useful resonance phenomenon induced by the use of high-resolution reflection seismic systems.

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type
Contribution to journal
publication status
published
subject
keywords
Acoustic mapping, Cultural heritage management, Lithic artefacts, Underwater archaeology, Underwater survey
in
Remote Sensing
volume
13
issue
3
article number
445
publisher
MDPI AG
external identifiers
  • scopus:85103889993
ISSN
2072-4292
DOI
10.3390/rs13030445
language
English
LU publication?
yes
id
8db0b705-6c84-4813-bbea-cf232286dff3
date added to LUP
2022-03-22 17:37:58
date last changed
2022-04-22 20:47:18
@article{8db0b705-6c84-4813-bbea-cf232286dff3,
  abstract     = {{<p>Acoustic response from lithics knapped by humans has been demonstrated to facilitate effective detection of submerged Stone Age sites exposed on the seafloor or embedded within its sediments. This phenomenon has recently enabled the non-invasive detection of several hitherto unknown submerged Stone Age sites, as well as the registration of acoustic responses from already known localities. Investigation of the acoustic-response characteristics of knapped lithics, which appear not to be replicated in naturally cracked lithic pieces (geofacts), is presently on-going through laboratory experiments and finite element (FE) modelling of high-resolution 3D-scanned pieces. Experimental work is also being undertaken, employing chirp sub-bottom systems (reflection seismic) on known sites in marine areas and inland water bodies. Fieldwork has already yielded positive results in this initial stage of development of an optimised Human-Altered Lithic Detection (HALD) method for mapping submerged Stone Age sites. This paper reviews the maritime archaeological perspectives of this promising approach, which potentially facilitates new and improved practice, summarizes existing data, and reports on the present state of development. Its focus is not reflection seismics as such, but a useful resonance phenomenon induced by the use of high-resolution reflection seismic systems.</p>}},
  author       = {{Grøn, Ole and Boldreel, Lars Ole and Smith, Morgan F. and Joy, Shawn and Boumda, Rostand Tayong and Mäder, Andreas and Bleicher, Niels and Madsen, Bo and Cvikel, Deborah and Nilsson, Björn and Sjöström, Arne and Galili, Ehud and Nørmark, Egon and Hu, Changqing and Ren, Qunyan and Blondel, Philippe and Gao, Xing and Stråkendal, Petra and Dell’anno, Antonio}},
  issn         = {{2072-4292}},
  keywords     = {{Acoustic mapping; Cultural heritage management; Lithic artefacts; Underwater archaeology; Underwater survey}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{3}},
  publisher    = {{MDPI AG}},
  series       = {{Remote Sensing}},
  title        = {{Acoustic mapping of submerged stone age sites—A HALD approach}},
  url          = {{http://dx.doi.org/10.3390/rs13030445}},
  doi          = {{10.3390/rs13030445}},
  volume       = {{13}},
  year         = {{2021}},
}