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Acoustic mapping of submerged Stone Age sites - A HALD approach
Grøn, O.; Boldreel, L.O.; Smith, M.F.; Joy, S.; Tayong Boumda, R.; Mäder, A.; Bleicher, N.; Madsen, B.; Cvikel, D.; Nilsson, B.; Sjöström, A.; Galili, E.; Normark, E.; Hu, C.; Ren, Q.; Blondel, P.; Gao, X.; Stråkendal, P.; Dell'Anno, A. (2021). Acoustic mapping of submerged Stone Age sites - A HALD approach. Remote Sens. 13(3): 445. https://hdl.handle.net/10.3390/rs13030445
In: Remote Sensing. MDPI: Basel. ISSN 2072-4292; e-ISSN 2072-4292, more
Peer reviewed article  
Available in  Authors 
Keyword
    Marine/Coastal
Author keywords
    acoustic mapping; cultural heritage management; lithic artefacts; underwater archaeology; underwater survey
Authors  Top 
  • Grøn, O.
  • Boldreel, L.O.
  • Smith, M.F.
  • Joy, S.
  • Tayong Boumda, R., more
  • Mäder, A.
  • Bleicher, N.
  • Madsen, B.
  • Cvikel, D.
  • Nilsson, B.
  • Sjöström, A.
  • Galili, E.
  • Normark, E.
  • Hu, C.
  • Ren, Q.
  • Blondel, P.
  • Gao, X.
  • Stråkendal, P.
  • Dell'Anno, A.
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 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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