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  • English  (3)
  • 1
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    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Publication Date: 2023-07-12
    Description: Electromagnetic imaging can proficiently detect deep structures in volcanic environments. A magnetotelluric (MT) survey has been performed in the Campi Flegrei volcanic environment, crossing the caldera through the main, recent volcano-tectonic structures and intersecting the most active sector of the Solfatra-Agnano zone. The electromagnetic reconstruction of the volcano’s internal structure points out the configuration of the plumbing system and the main structures for the ascent of magma and magmatic fluids, at least below a large continental portion of the caldera. The preliminary picture of the electrical resistivity distribution with depth suggests that the CF caldera plumbing system appears to be formed by distinct branches with a shallower geothermal system well developed below the Solfatara-Agnano area fed by a deeper source. The primary fault system, acting as a preferential pathway for magmatic fluids, is also identified. The resistivity model allows (i) to constrain the main electromagnetic features of the caldera and (ii) to delineate significant clues about its structural setting.This new picture represents a relevant contribution furnished by MT observations for hazard assessment at Campi Flegrei and can enhance the modeling of the driving mechanisms of the ongoing unrest.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 2
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    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Publication Date: 2023-07-12
    Description: Raising the alert level concerning Vulcano has led to increased monitoring activities concerning the island. One of the leading research topics to enhance the knowledge of this volcanic system is the characterization of the volcano-tectonic structures of the island and their relation with the geothermal system. We present a 3D resistivity imaging obtained by the Magnetotelluric (MT) method, highlighting the structures of the La Fossa crater down to 2 km depth b.s.l. The geometry of the resistivity anomalies elucidates the different volcano-tectonic lineaments that characterize the volcanological evolution of Vulcano island and provides valuable indications for understanding the interaction between lithostratigraphic setting, fluid circulation, and the current dynamics recorded on the island. The most significant structure identified by the MT survey is a resistive anomaly located at La Fossa crater, which continuously deepens to the maximum depths detected and represents a conduit-type structure along which there is a preferential ascent of magmatic fluids. Furthermore, the resistivity anomalies are mainly aligned in the N-S direction and contain the outgassing structures of the N-NE sector of the crater. They probably represent the island sector where, in addition to the ascent of magmas from recent activity, the most significant quantities of fluids from the deep accumulate/channeling. The model also shows that the higher resistivity bodies emerging at the surface mainly correspond to volcanic buildings, craters, conduits, and/or eruptive fissures. The deep structures imaged by the MT model become very significant in light of the interpretation of the possible unrest dynamics at Vulcano.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 3
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    Archaeopress Publishing | Archaeopress Publishing
    Publication Date: 2024-04-02
    Description: The Changing Landscapes of Rome’s Northern Hinterland presents a new regional history of the middle Tiber valley as a lens through which to view the emergence and transformation of the city of Rome from 1000 BC to AD 1000. Setting the ancient city within the context of its immediate territory, the authors reveal the diverse and enduring links between the metropolis and its hinterland. At the heart of the volume is a detailed consideration of the results of a complete restudy of the pioneering South Etruria Survey (c. 1955–1970), one of the earliest and most influential Mediterranean landscape projects. Between 1998 and 2002, an international team based at the British School at Rome conducted a comprehensive restudy of the material and documentary archive generated by the South Etruria Survey. The results were supplemented with a number of other published and unpublished sources of archaeological evidence to create a database of around 5000 sites across southern Etruria and the Sabina Tiberina, extending in date from the Bronze Age, through the Etruscan/Sabine, Republican and imperial periods, to the middle ages. Analysis and discussion of these data have appeared in a series of interim articles published over the past two decades; the present volume offers a final synthesis of the project results. The chapters include the first detailed assessment of the field methods of the South Etruria Survey, an extended discussion of the use of archaeological legacy data, and new insights into the social and economic connectivities between Rome and the communities of its northern hinterland across two millennia. The volume as a whole demonstrates how the archaeological evidence generated by landscape surveys can be used to rewrite narrative histories, even those based on cities as familiar as ancient Rome. Includes contributions by Martin Millett, Simon Keay and Christopher Smith, and a preface by Andrew Wallace-Hadrill.
    Keywords: History ; Ancient ; Rome ; thema EDItEUR::N History and Archaeology::NH History::NHD European history
    Language: English
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