2019
DOI: 10.3390/rs11151739
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Reconstruction of a Segment of the UNESCO World Heritage Hadrian’s Villa Tunnel Network by Integrated GPR, Magnetic–Paleomagnetic, and Electric Resistivity Prospections

Abstract: Hadrian’s Villa is an ancient Roman archaeological site built over an ignimbritic tuff and characterized by abundant iron oxides, strong remnant magnetization, and elevated magnetic susceptibility. These properties account for the high-amplitude magnetic anomalies observed in this site and were used as a primary tool to detect deep archaeological features consisting of air-filled and soil-filled cavities of the tuff. An integrated magnetic, paleomagnetic, radar, and electric resistivity survey was performed in… Show more

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Cited by 4 publications
(3 citation statements)
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“…The "E"starting value was calculated by measuring the two-way travel time (TWT) of the reflections generated from the top of the EB1 excavated burial (Figure 3). This value was integrated using velocity analyses on diffraction hyperbolas occurring along the profiles and was found to be consistent with those proposed in the literature for the same soil type [42,43].…”
Section: Gpr Data Acquisitionsupporting
confidence: 81%
“…The "E"starting value was calculated by measuring the two-way travel time (TWT) of the reflections generated from the top of the EB1 excavated burial (Figure 3). This value was integrated using velocity analyses on diffraction hyperbolas occurring along the profiles and was found to be consistent with those proposed in the literature for the same soil type [42,43].…”
Section: Gpr Data Acquisitionsupporting
confidence: 81%
“…These reflectors seem to delimit an irregularly shaped depression, which become shallower to the west, up to a minimum depth of 2 m (Figure 11c). Given the expected lithology of the above GPR‐b, the sudden increase in velocity of GPR‐d most likely reflects the transition from these clayish sediments to the underlying limestone bedrock, which delimits the bottom of the ERT‐F feature (Carbonel et al, 2014; Ghezzi et al, 2019; Gutiérrez et al, 2011).…”
Section: Discussionmentioning
confidence: 99%
“…Aforementioned NDI methods are most commonly deployed in routine RTSSI surveys based on encountered literature, motivating distinction from (i) more antiquated methods (e.g., invasive, inefficient, overly localised), (ii) less established experimental practices and (iii) schemes for real-time subsurface monitoring. In (i), we group: Borehole/Drill Core Sampling [190,191], Electrical Resistivity Tomography (ERT) [192][193][194][195], Endoscopic Probing [196,197] and Schmidt Hammer Strength Testing [53,198]. In group (ii), we gather: Radiography/Muon Tomography [199,200] and multiple additional prototype robotic RTSSI systems [14,166,[201][202][203][204].…”
Section: Other Methodsmentioning
confidence: 99%