Development of predictive geoarchaeological models to locate and assess the preservation potential of submerged prehistoric sites using remote sensing, palaeoenvironmental analysis, and GIS

David John Gregory, Ole Bennike, Jørn Bo Jensen, Peter Rasmussen, Zyad Al-Hamdani

Publikation: Bidrag til tidsskriftArtikelForskningpeer review

Abstrakt

Using the Mesolithic site of Tudse Hage in the Great Belt of Denmark, this paper proposes a generic stepwise process to create geoarchaeological models that output seamless morphology maps in a GIS. This was achieved using remote sensing databases and the collection of marine geophysical data, above and below the seabed. On the basis of these data, key areas, with sediment sequences representative of the postglacial transgression surfaces, were identified. Core samples were taken for palaeoenvironmental analysis and dating that enabled a reconstruction of the relative sea-level changes. Using this information, palaeogeographic coastline maps of the Kongemose, late Kongemose, Ertebølle, and Neolithic periods in the Tudse Hage area were prepared, and potential hotspots for archaeological sites were proposed. Since their inundation, submerged prehistoric archaeological sites have been, and are, dynamic, with anthropogenic and natural processes affecting their stability and preservation. With the advocation of in situ preservation as a means of managing underwater cultural heritage, predicting where sites have survived these processes, and where they can be found, in advance of subsea development or other anthropogenic exploitation, is essential. Future natural threats to sites preserved in situ were determined through the modelling of seabed currents and sediment erosion.

OriginalsprogEngelsk
Sider (fra-til)4678-4699
Antal sider22
TidsskriftHeritage
Vol/bind4
Udgave nummer4
DOI
StatusUdgivet - dec. 2021

Emneord

  • Geo-Archaeology

Programområde

  • Programområde 5: Natur og klima

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