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  • 1
    Publication Date: 2021-03-11
    Description: 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.
    Description: Published
    Description: e2019EA000870
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: JCR Journal
    Keywords: Sinkhole ; Subsidence ; Remote sensing ; Complementary geophysical techniques combination ; Remote sensing and geophysical perspection ; Sinkhole and subsidence in the Acque Albule Basin (Italy)
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
    Publication Date: 2018-02-01
    Description: Il lavoro descritto in questo rapporto tecnico è parte integrante del programma operativo del progetto SCANCOAST, pensato per il monitoraggio di aree costiere e sottomarine condotto mediante l’integrazione di tecniche di telerilevamento quali Terrestrial Laser Scanning (TLS), fotogrammetria digitale e multibeam interferometrico.
    Description: ingv
    Description: Published
    Description: 3A. Geofisica marina
    Description: N/A or not JCR
    Keywords: 04.02. Exploration geophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2018-02-01
    Description: La divulgazione scientifica ha assunto in tempi recenti un ruolo sociale importante catalizzando l’attenzione di un crescente numero di persone verso il mondo della ricerca. L’Istituto Nazionale di Geofisica e Vulcanologia (INGV) ha sviluppato molti progetti di divulgazione scientifica, organizzati in forme diverse, ciascuno finalizzato ad un particolare tipo di utenza. Nell’ambito di questi percorsi sono state organizzate conferenze, visite alle sedi e laboratori, info-point scientifici e molto altro ancora. Fra le varie iniziative che hanno coinvolto la sede distaccata di Portovenere (La Spezia), è stato sviluppato, negli ultimi anni, un interessante progetto educativo che verrà di seguito illustrato e che ha visto la fattiva collaborazione con un istituto d’istruzione superiore del territorio. Questo progetto, realizzato nell’ambito dei percorsi di formazione scuola-lavoro (“2003, Legge Moratti”), si propone di orientare gli studenti verso le future scelte professionali. In questo contesto, sono state realizzate alcune esperienze di stage finalizzate a far conoscere la figura del ricercatore scientifico interessato alle discipline geofisiche quali il geomagnetismo e la gravimetria marina. Per illustrare tale figura, si è scelto di far compiere agli studenti un percorso didattico che li stimolasse a svolgere in modo autonomo, critico e costruttivo, le attività schedulate. Impartita la metodologia del metodo scientifico e le nozioni di base delle discipline in studio, sono stati lasciati liberi di condurre una ricerca assegnatagli. In questo percorso, non solo hanno esplorato i vari aspetti di cui si compone una ricerca scientifica - quali, bibliografia, acquisizione ed elaborazione dati, presentazione dei risultati - ma hanno acquisito altri importanti concetti in grado di fornire loro una informazione più completa del mondo della scienza: la consapevolezza del legame tra i concetti fondamentali della fisica - già precedentemente acquisiti dagli studenti - e le ricadute nelle applicazioni di utilizzo quotidiano, il ruolo della scienza nella società, l’interdisciplinarietà e l’importanza della divulgazione scientifica. L’esperienza quinquennale, condotta con gruppi di quattro studenti frequentanti la quarta classe del liceo Scientifico Tecnologico prima e, attualmente, del Liceo delle Scienze Applicate dell’IIS “Capellini Sauro di La Spezia”, ha evidenziato come gli studenti siano stati in grado di applicare le conoscenze teoriche al lavoro pratico andando a conoscere così il metodo scientifico, che è la base fondamentale dell’attività del ricercatore.
    Description: ingv
    Description: Published
    Description: 2TM. Divulgazione Scientifica
    Description: N/A or not JCR
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
    Publication Date: 2020-01-28
    Description: The Structure-from-Motion photogrammetry (SfM) allows a fast and easy data acquisition and a highly automated data processing, leading to accurate photorealistic point clouds. The results of a SfM-based modeling of the coastal zone of Monterosso a Mare (Eastern Liguria, Italy) are shown here. Four photogrammetric surveys of the area were carried out from both moving surface (boat) and aerial (Unmanned Aerial Vehicle) platforms. The corresponding results were compared in order to provide information about precision and model reliability from fast ad cheap SfM surveys carried out without Ground Control Points (GCPs). The important issue of scale factor evaluation was solved by means of selection of points easily recognizable in each point cloud and measurement of the length of the polyline that connects these points. The ratio between the lengths of the polyline defined on a point cloud and the corresponding polyline defined in a metric reference frame provided the scale factor. The results highlight that the SfM technique can be used in emergency conditions, where GCPs cannot be used, and is compatible with a floating platform-based observation, leading to point clouds whose resolution is some centimeters for an acquisition distance of 100-150 m.
    Description: Published
    Description: 73-81
    Description: 7A. Geofisica per il monitoraggio ambientale
    Description: N/A or not JCR
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
    Publication Date: 2020-04-06
    Description: The EARTHCRUISERS project was developed for the MIUR’s call “Progetti Premiali 2015” by the “Istituto Nazionale di Oceanografia e di Geofisica Sperimentale” (Trieste, Italy) in collaboration with the “Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo” (Catania, Italy) and “Stazione Zoologica Anton Dohrn” (Naples, Italy). The main goals of the project are: (i) to identify and characterize the main crustal tectonic structures offshore Sicily and the Aeolian Islands, (ii) to better understand the geodynamic processes controlling seismicity and volcanism affecting this region, and (iii) to furnish a useful tool to estimate seismic, tsunamigenic and volcanic hazard in the highly populated coastal sectors. Furthermore, in order to contribute at the Blue Growth objectives, the project aims to analyze some relevant issues related to mineral prospecting offshore, such as the characterization of the hydrothermal systems in the Tyrrhenian Sea and the impact of the exploitation of oil and gas fields on the marine environment in the Sicily Channel. To achieve these objectives the acquisition of multibeam and sidescan sonar, multichannel seismic reflection, magnetic and gravimetric data is planned. Nearly 2500 km of multichannel seismic reflection lines will be acquired during the project in the Marsili Basin (Tyrrhenian Sea) and Mt. Etna offshore. This large amount of data will allow to: better understand the relationship between tectonics and evolution of volcanism; identify active faults and volcanic bodies; better constrain the seismostratigraphic and structural setting of the study areas, and investigate the eventual occurrence of unstable volcanic slopes which could lead to landslide and tsunami. Finally, the deployment offshore southeastern Sicily of a temporary Ocean Bottom Seismometer (OBS) network will carry out for monitoring the natural seismicity in the area of VEGA platform, the largest oil extraction site in Italian seas. Data collected will be used to study the eventual correlation between local seismicity and oil extractive activities.
    Description: Published
    Description: Rome
    Description: 2T. Deformazione crostale attiva
    Keywords: Marine Geophysics, Active Tectonic, Ocean Bottom Seismometer
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Extended abstract
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  • 6
    Publication Date: 2020-02-14
    Description: In the two last decades the eastern flank of Mt. Etna volcano was frequently affected by unexpected, violent and dangerous flooding phenomena. The municipalities most strongly involved are Giarre, Riposto and Acireale, where the floods caused heavy damage to the territory and human causalities. In particular, the most remarkable event is dated March 13, 1995 and caused the death of several people, whereas the most recent events occurred in 2014 and 2015 and, fortunately, generated only damages to infrastructures. With the aim to provide a starting point for studying the flooding hazard in the eastern flank of Mt. Etna, we have organized and elaborated on a GIS platform the relevant data from rainfall, topography, lithology and land use. The data were combined to produce, for the first time, a run-off predisposition map that can represent a useful base for future studies aimed at flooding hazard mapping along the eastern flank of Mt. Etna volcano.
    Description: Published
    Description: 69-75
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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