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Keywords = electromagnetometry

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12 pages, 6290 KB  
Article
Geophysical Investigation at the Santa Chiara Church in Nardò (Southern Italy)
by Lara De Giorgi, Dora Francesca Barbolla, Ivan Ferrari, Francesco Giuri, Chiara Torre and Giovanni Leucci
Heritage 2023, 6(3), 2978-2989; https://doi.org/10.3390/heritage6030158 - 12 Mar 2023
Cited by 1 | Viewed by 1818
Abstract
The church of Santa Chiara with its adjacent convent, whose foundations date back to the 13th century, is a monastic complex in the city of Nardò in the province of Lecce. The current church was built ex novo between the 17th and 18th [...] Read more.
The church of Santa Chiara with its adjacent convent, whose foundations date back to the 13th century, is a monastic complex in the city of Nardò in the province of Lecce. The current church was built ex novo between the 17th and 18th centuries under the direction of Bishop Orazio Fortunato. Currently, there is no information about the presence of crypts or burials in the church and in the adjacent area. For this reason, a campaign of geophysical investigations was undertaken using electromagnetic, electrical resistivity and ground-penetrating radar methods. Geophysical investigations were carried out both inside and in the courtyard of the church. The results showed the presence of a series of anomalies, whose interpretation suggests important structures of probable archaeological interest. Full article
(This article belongs to the Special Issue Geophysical Surveys for Heritage and Archaeology)
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18 pages, 5205 KB  
Article
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy
by Mirko Pavoni, Fabio Sirch and Jacopo Boaga
Sensors 2021, 21(4), 1294; https://doi.org/10.3390/s21041294 - 11 Feb 2021
Cited by 14 | Viewed by 4495
Abstract
The monitoring of rock glaciers plays a relevant role in relation to natural hazards in high mountain environments. Due to the climate warming, mountain permafrost is thawing, and its degradation is influencing the triggering and the evolvement of processes such as rockfalls, landslides, [...] Read more.
The monitoring of rock glaciers plays a relevant role in relation to natural hazards in high mountain environments. Due to the climate warming, mountain permafrost is thawing, and its degradation is influencing the triggering and the evolvement of processes such as rockfalls, landslides, debris flows and floods. Therefore, the study and monitoring of these periglacial forms have both a scientific and economic importance. We tested electrical and electromagnetic measurements along the same investigation lines, in two different sites of the Dolomites area (Northeast Italy). Electrical prospecting exploits the high resistivity contrast between frozen and non-frozen debris. However, these measurements have high logistic demands, considering the complex rock glaciers surface and the need of ground galvanic contact. For this reason, we tried to compare electrical measurements with electromagnetic contactless ones, that theoretically can be used to define the distribution of electrical resistivity in the first subsoil in a quicker and easier way. The obtained results show that the joint use of the two methods allows us to characterize a rock glacier subsoil with good confidence. Finally, the advantages and disadvantages of both the techniques are discussed. Full article
(This article belongs to the Special Issue Electromagnetic and Electrical Methods for Environmental Engineering)
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