Integrated Geophysical and Aerial Sensing Methods for Archaeology: A Case History in the Punic Site of Villamar (Sardinia, Italy)

Piga, Claudio A.; Piroddi, Luca; Pompianu, Elisa; Ranieri, Gaetano; Stocco, Stefano; Trogu, Antonio

doi:10.3390/rs61110986

Cited by 13 publications

(2 citation statements)

References 35 publications

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“…A few studies also show the benefits of using several of these techniques combined (Piga et al, 2014;Pisz et al, 2020), but without really crossing the data in the same representation. Nevertheless, the stratification of several reading levels could increase the intelligibility of urban or architectural exams of a site.…”

Section: Aerial-gprmentioning

confidence: 99%

Crossed Experimentations of Low-Altitude Surveys for the Detection of Buried Structures

Dongen

Eeckhout

Buglio

2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. Drones are becoming essential in the field of heritage surveying, especially for large-scale archaeological site. The precision offered by the new survey tools (UAVs, sensors, processing software, etc.) should make it possible to obtain enough information to complete the plan of a site on an urban scale.This paper shows the use of two types of sensors embedded simultaneously on a UAV with the aim of highlighting information that is often difficult to detect on the ground. By crossing RGB and thermal data, certain built-up limits seem to appear. Thanks to this new information, hypotheses of the urban structure are proposed. In other words, the aim is to bring out circulation hypotheses within a large complex archaeological site. Unlike the field of architectural survey where thermography is widely used, for example, to identify certain building pathologies, in archeology this technique does not seem to be part of the traditional survey pipeline and even less on large-scale sites. The possibility of using a third type of sensor is also sketched. The aerial-GPR would in fact make it possible to confirm the presence of a buried structure without having to go through systematic excavation and could provide a three-dimensional image of the ruins.

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Section: Aerial-gprmentioning

confidence: 99%

Crossed Experimentations of Low-Altitude Surveys for the Detection of Buried Structures

Dongen

Eeckhout

Buglio

2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…Imagery in the visible spectrum is mostly used, but the infrared spectrum also plays an increasingly significant role, as well as multispectral and hyperspectral data [8]. Radar is also used both in properly remote sensing (satellite-and airplane-based synthetic aperture radar (SAR)) and in proximal sensing (ground penetrating radar (GPR)), recently also mounted on low-flying UAVs [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Preliminary Archeological Site Survey by UAV-Borne Lidar: A Case Study

Balsi

Esposito²,

Fallavollita³

et al. 2021

Remote Sensing

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Preliminary analysis of an archaeological site requires the acquisition of information by several diverse diagnostic techniques. Remote sensing plays an important role especially in spatially extended and not easily accessible sites for the purposes of preventive and rescue archaeology, landscape archaeology, and intervention planning. In this paper, we present a case study of a detailed topographic survey based on a light detection and ranging (LiDAR) sensor carried by an unmanned aerial vehicle (UAV; also known as drone). The high-resolution digital terrain model, obtained from the cloud of points automatically labeled as ground, was searched exhaustively by an expert operator looking for entrances to prehistoric hypogea. The study documents the usefulness of such a technique to reveal anthropogenic structures hidden by vegetation and perform fast topographic documentation of the ground surface.

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Geophysical and Remote Sensing Techniques for Evaluating Historical Stratigraphy and Assessing the Conservation Status of Defensive Structures Heritage: Preliminary Results from the Military Buildings at San Filippo Bastion, Cagliari, Italy

Piroddi¹,

Calcina²,

Fiorino³

et al. 2020

Computational Science and Its Applications – ICCSA 2020

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This paper describes the preliminary results of integrated non-destructive surveys for the diagnosis of the materials and for the analysis of the underground structures of an historical building. The studied structure was built in the center of Cagliari, Italy. A single channel 200 MHz Ground Penetrating Radar (GPR) survey was carried out in order to provide the 3D reconstruction of the buried structures localized under the floor level of two rooms of the structure. Two 3D models of the underground environments were derived from orthogonal radar profiles. In addition, active Infrared Thermography (IRT) and Multispectral Imaging techniques (MSI) were utilized to perform the non-invasive inspection of the conditions of the surface materials. IRT images were processed via the Principal Component Analysis (PCA) technique. The reflective patterns of the GPR maps allowed to locate several buried anomalies. IRT data and MSI images have provided a fundamental support to enhance discontinuities and defects of the investigated surfaces.

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Integrated Geophysical and Aerial Sensing Methods for Archaeology: A Case History in the Punic Site of Villamar (Sardinia, Italy)

Cited by 13 publications

References 35 publications

Crossed Experimentations of Low-Altitude Surveys for the Detection of Buried Structures

Crossed Experimentations of Low-Altitude Surveys for the Detection of Buried Structures

Preliminary Archeological Site Survey by UAV-Borne Lidar: A Case Study

Geophysical and Remote Sensing Techniques for Evaluating Historical Stratigraphy and Assessing the Conservation Status of Defensive Structures Heritage: Preliminary Results from the Military Buildings at San Filippo Bastion, Cagliari, Italy

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