Massimo Fabris

Massimo Fabris
University of Padova | UNIPD · Department of Civil, Environmental and Architectural Engineering ICEA

PhD

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92
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Publications

Publications (92)
Article
Full-text available
La fotogrammetria Structure-from-Motion (SfM) si basa su algoritmi che permettono, in modo automatico e rapido, di individuare una quantità elevata di punti omologhi tra le immagini acquisite durante il rilievo. L’individuazione di tali punti consente di realizzare l’allineamento delle immagini e quindi la calibrazione esterna ed interna delle foto...
Article
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Nowadays, several methodologies, implemented for satellite or terrestrial surveys, reveal that daily and weekly site-positioning time series can exhibit linear trends plus seasonal oscillations. Such periodic components affect the evaluation of subsidence rates and, thus, they must be recognized and properly modelled. In this work, the periodic com...
Article
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The Po River Delta (PRD, Northern Italy) has been historically affected by land subsidence due to natural processes and human activities, with strong impacts on the stability of the natural ecosystems and significant socio-economic consequences. This paper is aimed to highlight the spatial and temporal evolution of the land subsidence in the PRD ar...
Article
The morphological changes of unstable areas can be identified using different methodologies that allow repeated surveys over time. The integration between the data obtained from different remote sensing and ground-based techniques, characterized by different coverage, resolution, and precision, allows to describe the kinematic motion of landslides...
Article
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Interaction between land subsidence and sea level rise (SLR) increases the hazard in coastal areas, mainly for deltas, characterized by flat topography and with great social, ecological, and economic value. Coastal areas need continuous monitoring as a support for human intervention to reduce the hazard. Po River Delta (PRD, northern Italy) in the...
Article
Full-text available
Mass movements represent a serious threat to the stability of human structures and infrastructures, and cause loss of lives and severe damages to human properties every year worldwide. Built structures located on potentially unstable slopes are susceptible to deformations due to the displacement of the ground that at worst can lead to total destruc...
Chapter
The main aim of this study is to compare the two commonly used multi-temporal interferometric synthetic aperture radar (InSAR) techniques, i.e. permanent scatterers (PS) and small baseline subset (SBAS), in monitoring shallow landslides. PS and SBAS techniques have been applied to ascending and descending Sentinel-1 SAR data to measure the rate of...
Article
Full-text available
In the mountain environment, the presence of fractures or degradation in the rock mass could represent an important risk both for the safety of population and for the anthropic structures that have a productive, touristic and/or historical importance. For this reason, the monitoring is a primary action of control and risk mitigation. In this work a...
Poster
Le variazioni morfologiche di aree instabili possono essere determinate utilizzando differenti metodologie che permettono di effettuare rilievi ripetuti nel tempo: la fotogrammetria digitale aerea, il LiDAR, l'analisi di immagini satellitari quali quelle acquisite in ambito interferometrico (SAR), le misure GNSS nelle diverse modalità oltre alle cl...
Article
The main aim of this work is to present the results of the geomatic survey, data collection and data processing that were conducted as part of the MACH project (MACH – Multidisciplinary methodological Approaches to the knowledge, conservation and valorization of Cultural Heritage) of the University of Padua. This wide research has regarded the stud...
Conference Paper
The Po is the largest river of Italy, it opens with a delta mouth in the Adriatic Sea and it is bounded by the Apennines to the South and by Alps to the North and West. The modern delta occupies a broad area of about 380 Km2, with a coastal extension of around 120 Km. Several industrial activities, intensive farming and important naturalistic areas...
Article
Ground deformation areas can be monitored with geomatic methodologies which provide high-precision and high-resolution data. One example is digital aerial photogrammetry, which can be used to reconstruct ground deformations over long periods (80–90 years) with multi-temporal surveys. This technique was used to survey the planimetric deformations of...
Article
River deltas are very complex environments vulnerable to flooding. Most of the world’s deltas are facing the immediate threat of land subsidence that jeopardizes the safety of millions of people worldwide. In Italy, the Po River Delta (PRD) (Northeast Italy) is an area historically affected by high rate of subsidence due to natural and anthropic fa...
Conference Paper
Open image in new windowThe main aim of this study is to test the effectiveness of Sentinel-1A Synthetic Aperture Radar (SAR) data in monitoring scarcely urbanized slopes affected by slow-moving instabilities. To this end, geological and geomorphological surveys were carried out, satellite SAR data were processed and a GPS network system was instal...
Article
Full-text available
This work describes the three-dimensional survey of “Ex Stazione Frigorifera Specializzata”: initially used for agricultural storage, during the years it was allocated to different uses until the complete neglect. The historical relevance and the architectural heritage that this building represents has brought the start of a recent renovation proje...
Conference Paper
Full-text available
L'andamento della subsidenza recente nell'area del delta del Po, storicamente affetta da questa problematica, viene studiata utilizzando dati SAR dei satelliti ERS-1/2 (dal 17 luglio 1995 al 10 agosto 1998), ENVISAT (dal 30 giugno 2003 al 31 marzo 2010) e Sentinel-1A (dal 12 ottobre 2014 al 7 settembre 2016) integrati con i dati di livellazione geo...
Article
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The main aim of this study is to comprehend landslide phenomena that affect the area of Rovegliana (North-Eastern Italian pre-Alps), quantifying soil displacements and investigating conditions that influence slope dynamics. Geological surveying turns out to be useful as support to the satellite radar interferometry technique, whose results allowed...
Article
Phaistos is one of the main Minoan palatial sites in the Aegean context. The ancient sources and the scarce archaeological records indicate that the city, destroyed by the nearby town of Gorthina during second century bc, underwent also an important post-palatine phase from alto-archaic and archaic age to Hellenistic age, still scarcely excavated....
Article
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The Emilia Romagna Region (N-E Italy) and in particular the Adriatic Sea coastline of Ravenna, is affected by a noticeable subsidence that started in the 1950s, when the exploitation of on and off-shore methane reservoirs began, along with the pumping of groundwater for industrial uses. In such area the current subsidence rate, even if lower than i...
Article
Full-text available
The Emilia Romagna Region (N-E Italy) and in particular the Adriatic Sea coastline of Ravenna, is affected by a noticeable subsidence that started in the 1950s, when the exploitation of on and off-shore methane reservoirs began, along with the pumping of groundwater for industrial uses. In such area the current subsidence rate, even if lower than i...
Article
Full-text available
Abstract Purpose – The purpose of this paper is to give an explanation of the new data available about surface subsidence above the depleted gas reservoir Ravenna Terra. These data confirm the existence after end of exploitation of a reversed subsidence bowl with minimum subsidence above the reservoir, as opposed to conventional subsidence bowls du...
Conference Paper
Full-text available
Land subsidence affecting the Ravenna Municipality (Emilia Romagna Region, NE Italy) is one of the best example on how the exploitation of natural resources can affect the environment and the territory. In fact, the pumping of groundwater and the extraction of gas from both on and offshore reservoirs, started in the 1950s, have caused a strong land...
Conference Paper
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The study area is located along the Ionian coast of the northern Calabrian Arc, in correspondence of the Crotone and Spartivento fore-arc basins. The investigated coastal area represents the western margin of the Gulf of Taranto. The seafloor of this sector has been investigated by several authors during the last three decades and is characterized...
Conference Paper
Multibeam bathymetry combined with aerial digital photogrammetry, play a crucial role in the generation of ultra-high resolution digital terrain models (DTMs) of land and submarine areas. Integrating these survey techniques can be realized accurate and homogeneous DTMs along narrow coastal zones that often cannot be adequately surveyed owing to log...
Article
In questo studio viene illustrata una campagna di misura GPS con tecnica RTK svolta all’isola di Lipari (Isole Eolie) nell’ambito dei progetti V3 Multi-disciplinary analysis of the relationships between tectonic structures and volcanic activity, finanziato dal Dipartimento della Protezione Civile e del progetto Response of morphoclimatic system dyn...
Article
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In this study are shown and discussed results from two topographic campaigns based on GPS/RTK technique performed in the island of Lipari (Aeolian Islands) under the projects V3 Multi-disciplinary analysis of the relationships between tectonic structures and volcanic activity, funded by the Department of Civil Protection, and Response of morphoclim...
Article
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Geomatic approaches were used to investigate a landslide in the Emilian Apennines in northern Italy which occurred during excavation works for high-speed railway tunnels between 2002 and 2007. The landslide damaged three buildings located on the upper part of a hillside. At the site of interest, the high-speed railway system included three contiguo...
Conference Paper
Full-text available
In this work, the subsidence in the Ravenna area is estimated by means of the integration between the classical geometric leveling techniques with the more recent SAR (Synthetic Aperture Radar) methodology: Small Baseline Subset (SBAS). This is an interesting area due to the presence of methane reservoirs the exploitation of which has caused in the...
Article
Full-text available
Subsidence in a deformation area can be measured in various ways, examples being conventional high-precision leveling, differential InSAR and multi-temporal GPS surveys. Integration of methods can improve results, and is crucial to extract high-precision data. In particular, orthometric and ellipsoid elevations, surveyed at different moments in tim...
Article
The safeguarding of Venice and the Venetian lagoon (Italy) from rising water is of great national interest. Besides the normal tidal regime, the effects of an increase in the frequency and intensity of floods in the lagoon have been accentuated by a reduction in the elevation of the land in respect to the actual average sea level. With the aim of r...
Article
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Results of recent monitoring activities on potentially unstable areas of the NW volcano flank of La Fossa cone (Vulcano Island, Italy) are shown here. They are obtained by integration of data by aerial photogrammetry, terrestrial laser scanning (TLS) and GPS taken in the 1996–2011 time span. A comparison between multi-temporal models built from rem...
Conference Paper
La fotogrammetria digitale è una metodologia di rilievo che permette di ottenere informazioni metriche tridimensionali di oggetti dall’analisi di immagini acquisite da differenti punti di presa. L’aerofotogrammetria utilizza fotografie acquisite da aerei per il rilievo del territorio. La disponibilità di voli d’archivio, effettuati negli ultimi 70-...
Article
Full-text available
In the framework of the development of a web site devoted to the documentation and monitoring of the cultural heritage (above all monumental buildings), a semiautomatic method for anomalous change detection has been set up. The method uses the grouping of the image difference values, to detect both small and diffused changes. Three tests are descri...
Article
Full-text available
Three-dimensional methodologies as Terrestrial Laser Scanning (TLS) and digital photogrammetry, are used to extract digital models of surfaces. In this paper, the two different approaches, integrated with classical topographic methodologies, were applied in the 3D survey of a portion of Phaistos Palace in Crete island. The archaeological site repre...
Article
Laser scanning methodology which has been used in different sectors, allow surveying an object by means of very dense and accurate point clouds acquisitions. The alignment and co-registration in a defined reference system allow generating a D model of the object, with the possibility to associate the radiometric information useful in many applicati...
Article
Full-text available
The morphological evolution of the Sciara del Fuoco, Stromboli, is described from a time series dataset formed by Digital Elevation Models and orthophotos derived by digitising historical contour maps compiled in 1868 and 1937 and by processing data from aerial surveys carried out between 1954 and 2009. All maps were co-registered in the same refer...
Article
Full-text available
L’integrazione di metodologie geomatiche di rilievo 3D terrestre ad alta risoluzione, come la fotogrammetria digitale, il laser scanning e le misure topografiche classiche, permette l’acquisizione di grandi quantità di informazioni con precisioni elevate. In questo lavoro il laser scanning e la fotogrammetria digitale sono state utilizzate per il r...
Conference Paper
Nel lavoro vengono analizzate le variazioni planimetriche della fascia costiera del delta del Po da Porto Caleri (Rovigo) al Lido di Volano (Ferrara); lo studio è stato effettuato mediante rilievi aero-fotogrammetrici multi-temporali realizzati nel 1933, 1944, 1955, 1977, 1999 e 2008, alcuni dei quali con copertura parziale. Tale lavoro è stato rea...
Chapter
Nell’ambito della mostra Metamorfosi, l’approccio fotogrammetrico è stato particolarmente utile per “trasferire” virtualmente, mediante riproduzione, elementi archeologici non trasportabili (si pensi, ad esempio, ad una casa pompeiana oppure a monumenti come l’Ara Pacis) o difficilmente trasportabili (come affreschi) per la fruizione del bene da pa...
Article
Archival multi-temporal aerial photogrammetry allows to measure displacements of a landslide area when images are co-registered in the same reference system. In this paper we investigated three photogrammetric surveys performed in 1998, 2004 and 2007 in an area of the northern Apennine (Bologna). The study of morphological changes was carried out m...
Article
L’esigenza di ampliare la conoscenza dell’abitato di Festòs attraverso l’indagine, in senso diacronico, delle forme di occupazione e dello sviluppo urbano, ha indotto la Scuola Archeologica Italiana di Atene ad avviare, nell’estate del 2007, una synergasia italo-greca nella consapevolezza che solo un reciproco scambio di informazioni e una stretta...
Chapter
In questo lavoro le differenti metodologie di rilievo, laser scanning, fotogrammetriche, topografiche classiche e termografiche, vengono integrate allo scopo di ottenere informazioni geometriche, radiometriche e termiche dell’edificio Donghi oggetto del rilievo.
Article
In questo articolo vengono presentati i risultati del rilievo tridimensionale dell’Arca Scaligera di Cansignorio, effettuato integrando differenti metodologie di rilievo: quella topografica classica, la scansione laser, la fotogrammetria digitale metrica e la tecnica della fotografia panoramica. In questo modo è possibile ottenere informazioni ad a...
Chapter
In questo lavoro vengono presentate due applicazioni che si riferiscono al rilievo 3D di altrettanti edifici residenziali medievali a Padova: l’edificio sito tra via S. Lucia, via Boccalerie e via Pietro D’Abano e la Torre degli Anziani per i quali sono state utilizzate le metodologie laser scanning terrestri; un’altra applicazione, effettuata util...
Article
Aerial digital photogrammetry and laser scanning (lidar) and marine multibeam bathymetry can play a fundamental role in the generation of digital terrain models (DTMs) of land and submarine areas, respectively. Integrating these survey techniques is crucial for providing accurate and homogeneous DTMs along narrow coastal zones that often cannot be...
Conference Paper
Aerial digital photogrammetry, aerial laser scanning and multibeam bathymetry, play a fundamental role to produce Digital Terrain Models (DTM) of sub-aerial and submarine areas. The integration of these survey techniques is crucial to provide accurate and homogeneous digital elevation models along narrow coastal zones that often cannot be adequatel...
Chapter
3D high resolution survey is now performed mainly with photogrammetry and laser scanning methodologies providing very dense and accurate point clouds. Alignment of all acquired points in a defined reference system generates a metrically correct 3D model of the objects. Photographic information can be associated to the model too. Terrestrial applica...
Conference Paper
Full-text available
Horizontal deformation patterns of an instable lava terrace at Sciara del Fuoco, Stromboli volcano (2003-2005) by using aerial image cross-correlation Throughout the 2002-2003 Stromboli eruption, the lava flows emitted form the vents at about 640 m a.s.l. covered large part of the tsunamigenic landslide formed on 30 December 2002, just at the onset...
Article
Full-text available
Laser scanning methodology allows to reconstruct the metric characteristics of objects at different LOD (Level Of Detail) providing spatially dense points clouds. In particular, the terrestrial application carried out in the last years have demonstrated the potentialities of the methodology useful in many different sectors. This tecnique has been u...
Article
Terrestrial methodologies, as high resolution laser scanning and digital photogrammetry, are used in many applications in the field of architectural and cultural heritage surveys: they are characterized by different operative procedures and precisions. Data deriving from acquisition of an architectural surface, “morphologically complex” but geometr...
Article
Full-text available
This paper concerns computer applications for the management of archaeological data through GIS software, as related to the 2008 excavation campaign at “Mura Bastia”, Onigo (Treviso), Italy. The approach allows for the correlation of data previously acquired with those collected more recently using newer technologies. The shift from the traditional...
Chapter
Nell’ambito del rilievo tridimensionale di oggetti di interesse archeologico, artistico, architettonico ed ingegneristico, è sempre più frequente l’utilizzo di metodologie laser scanning e fotogrammetriche terrestri. Tali metodologie consentono di acquisire elevate quantità di dati in tempi brevi, ad alta risoluzione e con precisioni elevate; le in...
Article
Full-text available
GPS, digital photogrammetry and laser scanning techniques have been applied and compared in the frame of the studies of two complex landslides located in the Emilia-Romagna Region (Northern Italy). The three approaches, characterized by different accuracies, applicability and costs, have demonstrated to be efficient tools to define Digital Elevatio...
Article
The evolution of the Patigno landslide, a deep-seated gravitational slope deformation in the Northern Apennine range (Italy), was investigated using archival photogrammetry, and GPS observations from a permanent station located inside the landslide. Historical aerial photographs of the area taken in 1975 (scale 1:13,000), 1987 (1:13,000) and 2004 (...
Article
Full-text available
High precision aerial photogrammetry has been used in addition to other geophysical techniques such as bathymetric surveys, geodetic measurements, microseismicity recording, etc., for monitoring slope deformations and the volcanic activity of Stromboli Island (Aeolian Arc, Italy), during the last effusive eruption, which started on December 28, 200...
Article
The paper presents the results of the ongoing research coordinated by the Chair of Ancient Topography, University of Padova. The work concerns the medieval site of “Mura della Bastia” in Onigo di Pederobba (Treviso), in the North-Eastern part of Italy. Historical information from written documents and results obtained from the archaeological invest...
Article
Full-text available
RIASSUNTO Problemi attuali nello studio della dinamica del suolo in Alto Adriatico Tra i numerosi problemi legati allo studio della simulazione del movimento del suolo nelle zone costiere dell'Alto Adriatico, nel presente lavoro si trattano, in particolare, due aspetti: il primo riguarda l'acquisizione di dati attendibili riguardanti le variazioni...
Article
This work deals with the integration of different surveying methodologies for the definition of very accurate Digital Terrain Models (DTM) and/or Digital Surface Models (DSM): in particular, the aerial digital photogrammetry and the terrestrial laser scanning were used to survey the Vesuvio volcano, allowing the total coverage of the internal cone...
Article
L’integrazione tra differenti metodologie di rilievo quali la fotogrammetria digitale aerea, il laser scanning aereo e rilievi batimetrici RTK multibeam, permette una ricostruzione morfologica dettagliata sia delle porzioni subaeree che sottomarine di aree interessate da fenomeni geofisici: in questi casi è di fondamentale importanza che i diversi...
Article
Full-text available
Three-dimensional reconstruction of the ground surface (Digital Terrain Model, DTM), derived by airborne GPS photogrammetric surveys, is a powerful tool for implementing morphological analysis in remote areas. High accurate 3D models, with submeter elevation accuracy, can be obtained by images acquired at photo scales between 1:5000-1:20000. Multit...
Conference Paper
Full-text available
Le aree vulcaniche sono frequentemente soggette a variazioni topografiche dovute a colate di lava od eventi di frana collegati all’attività eruttiva. La disponibilità di cartografia aggiornata e dettagliata contribuisce a realizzare analisi di tipo quantitativo che contribuiscono alla conoscenza ed al monitoraggio dei fenomeni effusivi. La topograf...
Article
Digital Elevation Models (DEMs) over large areas can be obtained by means of several geodetic and remote sensing techniques such as digital photogrammetry, laser scanning and SAR interferometry. The comparison of multitemporal DEMs is an useful tool for detecting, quantifying and mapping morphological variations occurring in active volcanic areas d...
Article
Full-text available
Automated procedures for photogrammetric image processing and Digital Elevation Models (DEM) extraction yield high precision terrain models in a short time, reducing manual editing; their accuracy is strictly related to image quality and terrain features. After an analysis of the performance of the Digital Photogrammetric Workstation (DPW) 770 Hela...
Article
After a period of anomalous activity affecting the Volcano of Stromboli (Aeolian volcanic arc, Italy), the “Sciara del Fuoco” slope, situated on the north–east flank of the island, was affected by major landslides on December 30, 2002. Recent lava accumulations starting from the beginning of the eruption (December 28, 2002) and a portion of the sub...