Geomagnetic and geoelectrical prospection for buried archaeological remains on the Upper City of Amorium, a Byzantine city in midwestern Turkey

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dc.authoridBalkaya, Caglayan/0000-0002-0191-8564
dc.authoridEkinci, Yunus Levent/0000-0003-4966-1208
dc.authoridKAYA, MEHMET ALI/0000-0002-6190-3436
dc.contributor.authorEkinci, Yunus Levent
dc.contributor.authorBalkaya, Caglayan
dc.contributor.authorSeren, Aysel
dc.contributor.authorKaya, Mehmet Ali
dc.contributor.authorLightfoot, Christopher Sherwin
dc.date.accessioned2025-01-27T20:27:20Z
dc.date.available2025-01-27T20:27:20Z
dc.date.issued2014
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractOn the basis of geophysical imaging surveys, including geomagnetic and geoelectrical resistivity, possible archaeological remains and their spatial parameters (i.e., location, extension, depth and thickness) were explored to provide useful data for future excavations on the Upper City of the ancient Amorium site, which comprises a large prehistoric man-made mound. The surveys were performed very close to the main axis of the Basilica, and the derived geophysical traces indicated some subsurface structures that appear to confirm that more-substantial brick and masonry buildings lie near the present-day surface of the mound. Analyzing the local gradients by total horizontal derivatives of pseudogravity data enhanced the edges of the magnetic sources. Additionally, a profile curvature technique, which has rarely been applied to potential field data sets, dramatically improved the magnetic-source body edges and the lineaments that may be associated with buried archaeological remains. The depths of these possible anthropogenic remains were estimated by applying the Euler deconvolution technique to the geomagnetic data set. The Euler solutions on tentative indices indicated that the depths of the source bodies are not more than about 3 m. Moreover, geoelectrical resistivity depth slices produced from the results of two- and three-dimensional linearized least-squares inversion techniques revealed high-resistivity anomalies within a depth of about 3 m from the ground surface, which is in close agreement with those obtained by applying the Euler deconvolution technique to the magnetic data. Based on the existence of some archaeological remains in the vicinity of the surveyed area, these geophysical anomalies were thought to be the possible traces of the buried remains and were suggested as targets for excavations. This study also emphasized that the data-processing techniques applied in this investigation should be suitable for providing an insight into the layout of the unexcavated parts of the Amorium site.
dc.description.sponsorshipSuleyman Demirel University; Karadeniz Technical University in Turkey
dc.description.sponsorshipThanks are due to Suleyman Demirel University and Karadeniz Technical University in Turkey for their support. We thank the Amorium excavation team for their assistance and hospitality during the geophysical survey. We are also grateful to M. Metin Unyay and Ali Cengel for their efforts while conducting the field work of geophysical surveys. Graham Lee and Can Ertekin are thanked for putting effort into linguistic corrections of the early version of this paper. Moreover, we would like to thank Thomas Gunther from the Leibniz Institute for Applied Geosciences, Hannover, Germany, for enabling us to use the software DC2DInvRes and DC3DInvRes that he coded. We are also indebted to editorial board member and three capable journal referees for their constructive comments that have greatly improved our paper. The location map shown in figure 1(a) was generated using Generic Mapping Tools (GMT) (Wessel and Smith 1995).
dc.identifier.doi10.1088/1742-2132/11/1/015012
dc.identifier.issn1742-2132
dc.identifier.issn1742-2140
dc.identifier.issue1
dc.identifier.scopus2-s2.0-84893538977
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1088/1742-2132/11/1/015012
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22658
dc.identifier.volume11
dc.identifier.wosWOS:000343005900012
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherOxford Univ Press
dc.relation.ispartofJournal of Geophysics and Engineering
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectAmorium
dc.subjectarchaeological remains
dc.subjectgeomagnetic
dc.subjectgeoelectrical resistivity
dc.subjectderivative based techniques
dc.subjecttomographic inversion
dc.titleGeomagnetic and geoelectrical prospection for buried archaeological remains on the Upper City of Amorium, a Byzantine city in midwestern Turkey
dc.typeArticle

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