Images of buried graves in Bayat, Afyon (Turkey) from high-resolution magnetic data and their comparison with preliminary excavations

Arisoy, Muzaffer Özgü; Koçak, Özdemir; Büyüksaraç, Aydın; Bilim, Funda

doi:10.1016/j.jas.2006.11.005

Cited by 17 publications

(17 citation statements)

References 13 publications

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“…Arisoy et al (2007) demonstrate the potential of using magnetics to map grave locations. However, the deceased at that site were interred in close proximity to magnetized archaeological artifacts that provided detectable signatures.…”

Section: Geophysical Methodsmentioning

confidence: 91%

Geophysical remote sensing of historical Aboriginal gravesites in southwestern Western Australia

et al. 2014

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Many suspected historical Aboriginal gravesites are through-out southwestern Western Australia, where individual burial locations remain unknown. Because of the cultural and historical importance of these heritage sites, there is an increasing effort to identify such locations to enable better site preservation and appropriate commemoration. Gravesite reconnaissance routinely requires the investigation of large areas, and it is inefficient and disrespectful to excavate large volumes in search of burials. Geophysical remote sensing offers a noninvasive alternative for identifying and delineating gravesites. To these ends, the University of Western Australia (UWA) Society of Exploration Geophysicists (SEG) Student Chapter has been working with the South West Aboriginal Land and Sea Council (SWALSC) in a pilot study to acquire several near-surface geophysical surveys at two historically documented Aboriginal gravesites in Quairading and Toodyay, Western Australia. The resulting ground-penetrating radar (GPR), magnetics, conductivity mapping, and resistivity profiling data sets identify subsurface anomalies that are consistent in location with historical documentation and elders’ recollections and with the expected geophysical signatures of historical burials and early development activities. The geophysical survey results have been relayed to the SWALSC and community decision makers to assist in upcoming preservation and commemoration efforts. The pilot study could be helpful in identifying other Aboriginal gravesites throughout Western Australia and would represent a positive step toward resolving key longstanding issues among different community interests surrounding the uncertainties of some sites of suspected Aboriginal heritage.

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Section: Geophysical Methodsmentioning

confidence: 91%

Geophysical remote sensing of historical Aboriginal gravesites in southwestern Western Australia

et al. 2014

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“…Magnetic anomalies in archaeological sites usually exceed in amplitude the anomalies identified in this work and they are related to artificial elements in graves (10–20 nT; e.g. Özgü Arısoy et al, ), bricks and metal deposits within the archaeological structures (Drahor et al ., ), burnt features and rubbish deposits (10–15 nT; Gaffney and Gater, ), pottery kilns (Tsokas and Hansen; ), pithouses (reaching 50 and over 1000 nT, Eppelbaum et al ., ; Rogers et al ., ; Argote et al ., ), storage pits (e.g. Rego and Cegielski, ; with anomalies between 10 and 14 nT) or monumental structures of large scale (e.g.…”

Section: Interpretation and Discussionmentioning

confidence: 99%

Geophysical and Archaeological Characterization of a Modest Roman Villa: Methodological Considerations about Progressive Feedback Analyses in Sites with Low Geophysical Contrast

Anchuela

Blasco

Benito

et al. 2015

Archaeological Prospection

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The low contrast in physical properties of archaeological elements compared to the host soil is a common drawback in geophysical surveys applied to subtle archaeological sites because those contrasts are usually what are being measured by most instruments. Furthermore, when archaeological elements and construction remains are placed within the same package of materials, differentiation of each can make the interpretation of geophysical data sometimes difficult. In this work we propose a dynamic, integrated approach for the characterization of an archaeological site with simple Roman construction materials in order to evaluate methodological considerations in the evaluation of this kind of sites. This approach includes: (i) a preliminary evaluation of construction material characteristics, according to the background provided by the historical and geographical context and from previous excavations, (ii) measurements of magnetic susceptibility of archaeological and natural materials in the site for direct modelling of the expected anomalies; (iii) a geophysical survey including magnetometry, multifrequency electromagnetic (EM) method and ground penetrating radar (GPR) (100, 250 and 500 MHz centre frequency antennas); (iv) geophysical data evaluation for planning subsequent systematic surveys; (v) dynamic interpretation of geophysical results through careful data evaluation of all previous steps. The final archaeological model from geophysical data has been successful due to the manner of data interpretation looking for orthogonal patterns of geophysical anomalies that were hypothesized to be subsurface walls. Modelling was then followed by archaeological excavations consisting of three trenches where the walls were exposed. The integration of geophysical data with excavations has permitted to evaluate significance of the different geophysical analysis and to identify their archaeological meaning. The proposed sequential methodology represents an innovative manner of analysis (i) in subtle sites where construction remains are scarce and the absence of well‐defined geophysical contrasts can limit the results of usual surveys and (ii) to increase the efficiency in the evaluation of more extensive survey areas. Copyright © 2015 John Wiley & Sons, Ltd.

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“…We discovered cremation remains and some pieces of beads next to them ( Figure 4). Grave locations of E3, E4, F5, F6 and F8 can be seen on the interpretation map that was prepared by Arisoy et al (2007). The other graves, which were not identified in the original magnetic map, were not observed due to a lack of magnetic measurement.…”

Section: Archaeological Information and Excavationsmentioning

confidence: 99%

“…Four trenches have been excavated in the study area so far ( Figure 2). Initially, Trenches A and B were excavated and Arisoy et al (2007) published the results. They interpreted the correlations between the geophysical and excavation results together in their paper.…”

Section: Archaeological Information and Excavationsmentioning

confidence: 99%

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Determination of grave locations in Dedemezari Necropolis (Western Turkey) using magnetic field derivatives

Büyüksaraç¹,

Arisoy²,

Bektaș³

et al. 2008

Archaeological Prospection

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Thelocationofthe studyarea for thisresearch ofa Middle Bronze Age Necropolisissituatedinthewest of Turkey near Afyonkarahisar. Magnetic surveying was carried out in two adjacent areas (Areas 4 and 5).Four trencheshavebeenexcavated so farandgraveswerelocatedinpositionsinterpretedfrom a magnetic survey carried out in 2005. Initial excavations have shown that cist, pithos and simple graves were placed randomly and it is suggested that Dedemezari Necropolis is similar to the well known necropoleis of Gordion and Sariket. This paper compares the results of some phase-based filters which show improved performance as edge detectors in different ways.The filters are demonstrated on synthetic magnetic data and magnetic field data from Dedemezari Necropolis. Magnetic field derivatives, both vertical and horizontal, are common and useful tools for interpretation of the magnetic anomalies. Interpretation of magnetic field derivatives, separately or together, provide images of shallow bodies from magnetic data. The horizontal derivatives of the total magnetic field were computed in the space domain by means of finite-difference relationships, and the vertical derivative was computed in the frequency domain by using fast Fourier transform filtering.Derivatives of the magnetic anomalies have been used for detection of causative bodies. The analytic signal (AS), the enhanced horizontal derivative (EHD), tilt derivative (TD), theta map, hyperbolic tilt angle (HTA) and total horizontal derivative (THDR) methods were applied not only to synthetic anomalies but also to the measured magnetic anomalies of Areas 4 and 5. However, AS and EHD produced the best results as the other methods created edge effects

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Images of buried graves in Bayat, Afyon (Turkey) from high-resolution magnetic data and their comparison with preliminary excavations

Cited by 17 publications

References 13 publications

Geophysical remote sensing of historical Aboriginal gravesites in southwestern Western Australia

Geophysical remote sensing of historical Aboriginal gravesites in southwestern Western Australia

Geophysical and Archaeological Characterization of a Modest Roman Villa: Methodological Considerations about Progressive Feedback Analyses in Sites with Low Geophysical Contrast

Determination of grave locations in Dedemezari Necropolis (Western Turkey) using magnetic field derivatives

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