Noninvasive geophysical integrated survey at Madonna del Giglio (Sabine necropolis, Magliano Sabina, Latium, Central Italy)

Smriglio, F.; Enrico, Papale; Verga, Flaminia; Piro, Salvatore

doi:10.1007/s12520-020-01029-x

Cited by 3 publications

(3 citation statements)

References 29 publications

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“…High-resolution magnetic field measurements play a significant role in many different technological and scientific research areas such as nondestructive testing [1,5], dangerous objects detection [12] and demining [6], archeological [18] and geological studies [19] as well as space research [21]. In spite of radical advancements in the development of magnetoresistive [8] and magnetoimpedance sensors [4], fluxgate sensors [14] are the most crucial sensor type for room temperature, high resolution, and nearly constant magnetic field measurements.…”

Section: Wprowadzeniementioning

confidence: 99%

Sensitivity Limits and Functional Characteristics of Fluxgate Sensors with Rod-Shaped Magnetic Cores

Kopala¹,

Ostaszewska-Liżewska²,

Szewczyk³

2022

PAR

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Highly sensitive fluxgate magnetic field sensors with rod-shaped cores are widely used for non-destructive testing as well as for industrial applications. However, in case of both Foerster and Vacquier (two-core sensors configurations), fluxgate sensors sensitivity is directly connected with the relative magnetic permeability of the sensor’s core. It should be highlighted that the magnetic permeability of rod-shaped magnetic cores is driven mainly by the demagnetization factor determined by its slenderness (aspect ratio). The paper presents the analyses of sensitivity limits of fluxgate sensors with rod-shaped cores. On the base of estimations of demagnetization factor specific for fluxgate sensors, it is shown that in case of rod-shaped cores, the sensor’s sensitivity is connected with the shape of the core rather than its relative magnetic permeability. This conclusion is essential during the development and optimization of functional characteristics of fluxgate sensors.

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Section: Wprowadzeniementioning

confidence: 99%

Sensitivity Limits and Functional Characteristics of Fluxgate Sensors with Rod-Shaped Magnetic Cores

Kopala¹,

Ostaszewska-Liżewska²,

Szewczyk³

2022

PAR

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“…Recently, multi-parametric geophysical surveys have become a standard approach as they provide a higher level of accuracy in data interpretation compared to a single technique. Regarding the archeological investigation, the joint use of geophysical methods based on detecting contrasts in the dielectric constant, such as ground-penetrating radar (GPR), in the resistivity distribution is similar to those measured by electrical resistivity tomography (ERT) or in the magnetic susceptibility through magnetic method (MM) are the most used to image buried remains [6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Multi-Parametric Imaging of Etruscan Chamber Tombs: Grotte Di Castro Case Study (Italy)

Sapia

Materni

Florindo³

et al. 2021

Applied Sciences

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A multi-parametric approach that involves the use of different geophysical methods coupled with geochemical data allowed us to identify undiscovered archeological burials in a funerary area of the Grotte di Castro Etruscan settlement. In particular, we tested the suitability of the capacitive resistivity method and the presence of Radon in soil for the identification of burials calibrating their outcomes over coincident survey profiles with standard geophysical techniques routinely applied for archaeological prospections. Soil Radon data were acquired both in a grid and along a profile to highlight anomalous gas concentrations, whereas electrical resistivity and ground-penetrating radar measurements were conducted on overlapping profiles to depict the electrical and electromagnetic subsurface distribution. Data integration showed a series of anomalies, suggesting the presence of multiple burials starting from a depth of approximately 1.5 m below the terrain surface. Slight anomalies of Radon in the soil were found to correspond to most of the recovered geophysical ones. Our results pointed out the effectiveness of geophysical method integration in archeological prospecting with the novelty of the joint use of Radon in soil measurements and capacitive resistivity tomography. The latter provided reliable results and can be considered as a standalone technique in archaeological surveys.

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“…Since 1946, geophysical techniques have been increasingly used with increasing rate in archaeological prospecting. The recent advances in geophysical data acquisition systems (2D/3D) and analysis software improve the applicability of multi-methodological approaches that can enhance the S/N ratio to improve the knowledge of the subsurface and visualization capabilities (2D/3D) for archaeological structures [17,26,27]. Electrical resistivity tomography (ERT), ground-penetrating radar (GPR), and magnetic methods are probably the most frequently applied methods in archaeological prospection [28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Multi-Scale Geophysical Methodologies Applied to Image Archaeological Ruins at Various Depths in Highly Terraneous Sites

et al. 2021

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Among all geophysical techniques, electrical resistivity and magnetic surveying as an integrative approach has been used widely for archaeological prospection at different scales of investigations. In this study, DC resistivity (1D vertical sounding and/2D/3D ERT) and magnetic surveys (total and gradient) as a multi-scale approach was applied in a highly terraneous archaeological site (Tell) with a case study to characterize and image the various archaeological assets at different depths with different spatial resolutions. Four critical zones of great interest within the considered Tell were surveyed. At the heart of the study area, three layers were depicted clearly from 1D resistivity sounding. A thick conductive zone of mostly clay is sandwiched between two resistive layers. The topmost layer contains construction debris (dated back to the Islamic Era), whereas the deeper layer could be related to Gezira sand on which the probable Pharaonic temple was constructed. A long 2D ERT profile using Wenner Beta (WB) and Dipole–Dipole (DD) arrays with a 5-m electrode spacing identified shallow high resistivity anomalies that could be related to construction ruins from fired bricks. Additionally, it succeeded in imaging the turtleback-shaped deeper resistive layer of mostly sand. At an elevated rim to the east and west of the Tell, total and vertical magnetic gradient maps clearly delineated different archaeological structures: the walls of the rooms of ancient Islamic settlers and the walls of water tanks from the Byzantine Era. Magnetic modeling assuming 2.5-dimensional magnetic models constrained by the 2D ERT inversion models could be used to create a realistic representation of the buried structures. Toward the northern part of the Tell, the joint application of the quasi-3D ERT inversion scheme and the magnetic survey revealed an anomaly of a well-defined geometric shape of an archaeological interest thought to be a crypt or water cistern based on nearby archaeological evidence. The overall results of the geophysical survey integrated with the image of some partially excavated parts provided the archaeologists with a comprehensive and realistic view of the subsurface antiquities at the study area.

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Noninvasive geophysical integrated survey at Madonna del Giglio (Sabine necropolis, Magliano Sabina, Latium, Central Italy)

Cited by 3 publications

References 29 publications

Sensitivity Limits and Functional Characteristics of Fluxgate Sensors with Rod-Shaped Magnetic Cores

Sensitivity Limits and Functional Characteristics of Fluxgate Sensors with Rod-Shaped Magnetic Cores

Multi-Parametric Imaging of Etruscan Chamber Tombs: Grotte Di Castro Case Study (Italy)

Multi-Scale Geophysical Methodologies Applied to Image Archaeological Ruins at Various Depths in Highly Terraneous Sites

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