Geophysical Prospecting For The Reconstruction Of The Ancient Topography Of The Messapian Necropoleis In Lecce (South Italy)

Leucci, Giovanni and De Giorgi, Lara and Di Giacomo, Giacomo and Di Taranto, Immacolata and Miccoli, Ilaria and Scardozzi, Giuseppe (2016) Geophysical Prospecting For The Reconstruction Of The Ancient Topography Of The Messapian Necropoleis In Lecce (South Italy). Journal of Archaeological Science, 7. pp. 290-302. ISSN 1095-9238

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Extensive urbanization may cover important archaeological structures that are still buried in urban areas, and Ground Penetrating Radar is one of the most reliable geophysical technique for resolving buried archaeological structures in urban territories. In this paper a case study that involves a geophysical surveyemploying the surface three-dimensional (3D) GPR techniques, to characterize the investigated areas from the archaeological point of view, is illustrated. GPR measurements, integrated with archaeological and topographical information aimed at the production of a digital archaeological map integrated in a webGIS platform, were carried out in some areas at the historical centre of Lecce (Apulia, Italy). The investigated areas are related to somesectors of theMessapian necropolises (dated mainly in 4th–3rd century BCE), characterized by different types of graves (pits dug in the bedrock or built with slabs, sarcophagi and hypogea) that lying also inside the settlement surrounded by city walls. The survey was carried out using the IDS Hi Mod georadar system, incorporating a dual band 200– 600 MHz centre frequency antennae. The GPR time slices were constructed from closely spaced parallel profiles. The time slices, computed from averaging radar reflections over vertical time windows several nanoseconds thick, are used to map subsoil features associatedwith its structure. The time sliceswere georeferenced in the archaeological map of Lecce in order to acquire new data on the distribution and the ancient topography of the funerary areas inside the settlements. Moreover, to facilitate the interpretation of the results, a three-dimensional image was constructed using closely spaced parallel profiles, which are interpolated.

Item Type: Article
Uncontrolled Keywords: GPR; Archaeological map; webGIS; Messapian tombs
Subjects: 300 Scienze sociali > 360 Problemi e servizi sociali; associazioni > 363 Altri problemi e servizi sociali > 363.69 Tutela dei beni culturali (Classificare qui le opere interdisciplinari su Conservazione e Restauro dei beni culturali ; classificare la Conservazione e il Restauro dei beni architettonici e ambientali in 720.288)
600 Tecnologia - Scienze applicate
Depositing User: dottoressa Gaetana Marchesini
Date Deposited: 28 Nov 2016 08:41
Last Modified: 25 Jan 2017 08:34

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