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Technical Note

Multi-Coil FD-EMI in Tidal Flat Areas: Prospection and Ground Truthing at a 17th Century Wooden Ship Wreckage

1
Institute of Geosciences, Kiel University, Otto-Hahn-Platz 1, 24118 Kiel, Germany
2
State Archaeology Department of Schleswig-Holstein (ALSH), Brockdorff-Rantzau-Straße 70, 24837 Schleswig, Germany
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Cluster of Excellence ROOTS, Kiel University, Leibnizstraße 3, 24118 Kiel, Germany
4
Centre for Baltic and Scandinavian Archaeology (ZBSA), Schloss Gottorf, 24837 Schleswig, Germany
5
Community Office Hallig Hooge, Hanswarft 1, 25859 Hallig Hooge, Germany
*
Author to whom correspondence should be addressed.
Academic Editors: Carl Philipp Lipo and Timothy S de Smet
Remote Sens. 2022, 14(3), 489; https://doi.org/10.3390/rs14030489
Received: 23 November 2021 / Revised: 14 January 2022 / Accepted: 17 January 2022 / Published: 20 January 2022
(This article belongs to the Special Issue Remote Sensing of Archaeology)
We present a case study of multi-coil frequency-domain electromagnetic (FD-EMI) prospection of a wooden ship wreckage from the 17th century. The wreckage is buried in a sandbar in the German part of the tidal flat area of the North Sea. Furthermore, the wreckage was excavated in advance and covered again after investigation. This ground truthing background and the position of the wreckage makes it a unique investigation object to test the feasibility of FD-EMI for prospecting wooden archaeological objects in the high conductive sediments of tidal flat areas. Our results reveal the shape and position of the wreckage in terms of conductivity maps. The resulting signal change caused by the wreckage in conductivity is only 10% of the value of the water-saturated sandy background, respectively, making a cautious process necessary, including a precise height correction. The data, furthermore, reveals a sensitivity to the vertical shape of the wreckage and thus sufficient depth sensitivity, but with reduced sensing depth. The study highlights the great potential of EMI for both in situ heritage management and archaeological research in the Wadden Sea. View Full-Text
Keywords: archaeological prospection; geophysics; EMI; tidal flats; ship wreck archaeological prospection; geophysics; EMI; tidal flats; ship wreck
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MDPI and ACS Style

Wilken, D.; Zwick, D.; Majchczack, B.S.; Blankenfeldt, R.; Erkul, E.; Fischer, S.; Bienen-Scholt, D. Multi-Coil FD-EMI in Tidal Flat Areas: Prospection and Ground Truthing at a 17th Century Wooden Ship Wreckage. Remote Sens. 2022, 14, 489. https://doi.org/10.3390/rs14030489

AMA Style

Wilken D, Zwick D, Majchczack BS, Blankenfeldt R, Erkul E, Fischer S, Bienen-Scholt D. Multi-Coil FD-EMI in Tidal Flat Areas: Prospection and Ground Truthing at a 17th Century Wooden Ship Wreckage. Remote Sensing. 2022; 14(3):489. https://doi.org/10.3390/rs14030489

Chicago/Turabian Style

Wilken, Dennis, Daniel Zwick, Bente S. Majchczack, Ruth Blankenfeldt, Ercan Erkul, Simon Fischer, and Dirk Bienen-Scholt. 2022. "Multi-Coil FD-EMI in Tidal Flat Areas: Prospection and Ground Truthing at a 17th Century Wooden Ship Wreckage" Remote Sensing 14, no. 3: 489. https://doi.org/10.3390/rs14030489

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