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Authors: De Ritis, Riccardo* 
Nardi, Adriano* 
Materni, Valerio* 
Venuti, Alessandra* 
Stefanelli, Paolo* 
Rotella, G.* 
Sapia, Vincenzo* 
Carpentieri, E.* 
Tolomei, Cristiano* 
Civico, Riccardo* 
Coltorti, Mauro* 
Nanni, Torquato* 
Argentieri, A.* 
Del Gaudio, Pierdomenico* 
Chiappini, Massimo* 
Title: Multidisciplinary Study of Subsidence and Sinkhole Occurrences in the Acque Albule Basin (Roma, Italy)
Journal: Earth and Space Science 
Series/Report no.: /7 (2020)
Publisher: Wiley Agu
Issue Date: 2020
DOI: 10.1029/2019EA000870
Keywords: Sinkhole
Remote sensing
Complementary geophysical techniques combination
Subject ClassificationRemote sensing and geophysical perspection
Sinkhole and subsidence in the Acque Albule Basin (Italy)
Abstract: We present the results of a combined analysis of remote sensing and geophysical ‐ geotechnical data carried out in the Acque Albule Basin, a sinkhole prone area located close to the city of Roma, where a wide travertine wedge is present. We carried out geophysical measurements and borehole drillings over two test areas to image the subsoil where paroxysmal sur fi cial dynamics occur. One site is marked by subsidence occurring at least since the early 2000s, whereas the other site hosts the “ La Regina ” and “ Colonnelle ” sinkhole lakes, which discharge sulfur ‐ carbonated waters. The stability of these two sites threatens highway, railway, and airport facilities, and this study helps to assess the geological hazard. For example, InSAR and LiDAR data helped de fi ne wide scale subsidence over the last 20 years and previously undetected small ‐ scale morphologies. Geophysical measurements of the latter revealed shallow and deep dissolution affecting the travertine and driving sur fi cial paroxysmal events. Both study sites were found to lie inside a large depression located at the junction between Jurassic carbonate and Plio ‐ Pleistocene units in association with paleo karst morphologies in the travertine deposits and affected by the present ‐ past spillage of sulfurous waters. Given these elements, multidisciplinary geophysical observations are crucial for assessing and mitigating the geological risk and guiding land use planning and management.
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