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Application of GPR Prospection to Unveil Historical Stratification inside Monumental Buildings: The Case of San Leonardo de Siete Fuentes in Santu Lussurgiu, Sardinia, Italy

Author

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  • Luca Piroddi

    (Department of Civil and Environmental Engineering, and Architecture (DICAAR), University of Cagliari, 09123 Cagliari, Italy
    Now at Department of Geosciences, University of Malta, MSD 2080 Msida, Malta)

  • Massimo Rassu

    (Independent Researcher, 09100 Cagliari, Italy)

Abstract

Stratigraphy is a fundamental classification tool for archaeology on which modern excavation techniques are based, and essentially consists of a sedimentological, pedological and archaeological interpretation of the multiple cultural layers found while digging; this concept can be adopted when studying monumental buildings and, in particular, their hidden parts or elements. The precious and delicate surfaces of monuments need non-invasive techniques such as geophysical methods and in the present article, the use of GPR technique has been exploited through a dataset collected over the nave of the church of San Leonardo de Siete Fuentes in Sardinia. First, the georadar results have been jointly analyzed by means of the B- and C-scans, in which some most significant patterns were detected and analyzed by looking at their signal features over the investigated volume. Following the analysis, elements from the signal attribute analysis and horizon detection and visualization, with a 3D approach, were used. To strengthen the reliability of the GPR results, a thermal infrared survey was simultaneously carried out. Thanks to the integrated geophysical and historical analysis of the monument, the ancient layout of the church has been reconstructed and other targets of potential archaeological interest identified

Suggested Citation

  • Luca Piroddi & Massimo Rassu, 2023. "Application of GPR Prospection to Unveil Historical Stratification inside Monumental Buildings: The Case of San Leonardo de Siete Fuentes in Santu Lussurgiu, Sardinia, Italy," Land, MDPI, vol. 12(3), pages 1-20, March.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:3:p:590-:d:1084676
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    References listed on IDEAS

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    1. Takeshi Inomata & Daniela Triadan & Verónica A. Vázquez López & Juan Carlos Fernandez-Diaz & Takayuki Omori & María Belén Méndez Bauer & Melina García Hernández & Timothy Beach & Clarissa Cagnato & Ka, 2020. "Monumental architecture at Aguada Fénix and the rise of Maya civilization," Nature, Nature, vol. 582(7813), pages 530-533, June.
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    Cited by:

    1. Cristina Cornaro & Gianluigi Bovesecchi & Filippo Calcerano & Letizia Martinelli & Elena Gigliarelli, 2023. "An HBIM Integrated Approach Using Non-Destructive Techniques (NDT) to Support Energy and Environmental Improvement of Built Heritage: The Case Study of Palazzo Maffei Borghese in Rome," Sustainability, MDPI, vol. 15(14), pages 1-36, July.

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