Papers by Mauro De Donatis
Fourth EAGE Workshop on Assessment of Landslide Hazardsand impact on communities
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16th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment, 2022
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Over the last few decades, the approach to geological and geomorphological surveys has changed re... more Over the last few decades, the approach to geological and geomorphological surveys has changed remarkably. The advent of digital tools has allowed significant advances in the acquisition and management of survey data. In this paper, we demonstrate the development and testing of a new and effective digital survey method that allows for the fast acquisition and collaborative storage and management of data and information. This method was tested in collaboration with five universities for the mapping and classification of landslides in 249 survey areas in Central Italy and, more precisely, in the municipalities affected by the 2016 Central Italy Earthquake. Geological and geomorphological surveys were carried out in the field with tablet PCs, GPS, and cameras. The survey project for collecting field data was based on the structure of the Italian Landslide Inventory (IFFI) and the Territorial Resilience Central Apennines Earthquake Reconstruction (ReSTART) projects. The structure of the...
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Geologica!, geomorphological and seismological data sets have been integrated with the analysis o... more Geologica!, geomorphological and seismological data sets have been integrated with the analysis of seismic reflection lines calibrated with deep well logs in arder to characterise the Quaternary tectonic evolution of the Metauro River basin area (northern Marche) and the adjacent off-shore sector of the external Northern Apennines. [...]
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Thrust Tectonics and Hydrocarbon Systems, 2004
ABSTRACT Fold-thrust belts are commonly interpreted as ldquo thin-skinned rdquo structures, devel... more ABSTRACT Fold-thrust belts are commonly interpreted as ldquo thin-skinned rdquo structures, developed above a detachment, with the underlying basement remaining undeformed. However, in many areas, particularly where compressional tectonism was preceded by rifting, models of basement fault reactivation may be more appropriate. The contrasts between thin-skinned and deep-rooting, inversion-dominated deformation in building fold-thrust complexes are investigated using a case history from the Italian ...
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Quaestiones Geographicae, 2017
The geomorphological analysis of historically urbanized areas is the best scientific way to under... more The geomorphological analysis of historically urbanized areas is the best scientific way to understand how the extant geomorphological factors conditioned urbanization. It also provides a baseline to enable comparisons to be made with the modern environment. This paper considers four urbanized historical sites on the Adriatic coast (Italy) that owe their urban development to particular geomorphological and environmental conditions that were modified over the centuries from the Roman age to the present day. The focus here is on the evolution of the shoreline and associated geomorphic variables (streambeds and river mouths migration). These factors are fundamental for determining the development of a city, both as basic boundary elements – therefore including defence and protection – and also for the development of harbours.
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Journal of Maps, 2016
ABSTRACT Sena Gallica (Senigallia), in the northern Marche region, was the first Roman colony on ... more ABSTRACT Sena Gallica (Senigallia), in the northern Marche region, was the first Roman colony on the Adriatic coast founded at the beginning of the third century BC. This research adopted an integrated approach to different information sources that combines old and new data, archaeological excavations, topographic and geophysical surveys, and geological and geomorphological analyses. The data are managed within a GIS and supported by 3D modelling. One of the results of this work is a map which represents the geomorphological setting of the Roman colony, close to the mouth of the Misa river. The settlement exploited the top-surface of the uppermost Pleistocene–early Holocene coastal fan of the Misa river, now only preserved at the apex sector truncated seaward by wave erosion. The top-surface of the fan apex, in turn, was partly re-incised by stream erosion producing a series of slight topographic mounds, which were selected for the earliest human settlement (V-IV c. BC). Some of the mounds resulted in a protected, slightly elevated, area enclosed by the meandering course of the Misa River and the Sant'Angelo/Penna streams, where the Romans decided to found their colony (284 BC). The tight interaction between human activities and the natural environment has always influenced the development of the town, from the earliest phases to the modern age. This map focuses on the time when the Roman colony was founded, but the combined study in progress allows understanding of the main transformations that occurred during the following centuries.
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Sena Gallica (modern Senigallia) was the first roman colony established on the Adriatic Sea at th... more Sena Gallica (modern Senigallia) was the first roman colony established on the Adriatic Sea at the beginning of the 3th century B.C., in the northern Marche region, central Italy. Since 2010 a new research project has been started by an agreement between Municipality, University of Bologna (DiSCi, Section of Archaeology), University of Urbino (DiSTeVA) and Soprintendenza per i Beni Archeologici delle Marche, with the main goal to reconstruct the ancient landscape, understanding the relationship between geomorphological and historical evolution. The adopted research method is based on combining old and new data, involving archaeological excavations, topographical and geophysical surveys, geological and geomorphological analysis. The management of all acquired data is favoured by the digital field mapping, GIS elaboration and 3D modelling. The research revealed the presence of an early Holocene coastal fan built by the Misa river. The deactivation of this fan had been followed by a pa...
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ABSTRACT The South Scotia Ridge (SSR) is a submerged structural high located at the eastern conti... more ABSTRACT The South Scotia Ridge (SSR) is a submerged structural high located at the eastern continuation of the Antarctic Peninsula and representing the Scotia-Antarctica transform plate boundary. A three-dimensional geological model of a sector or the SSR was built using reflection seismic and sea-floor bathymetry. The model covers the boundary between the oceanic crust of the Scotia Sea and the continental crust of the South Scotia Ridge, where the orientation of the SSR structure changes from SW-NE to W-E. Most of the active faults are located within the continental crust, however, deformation locally involves the oceanic crust and appears connected to the orientation and geometry of the fault system which defines the continent-ocean boundary. The 3D geological model helps visualize a western and central province where the active boundary involves continental blocks, the continental slope, the oceanic basement and sediments, and an eastern province where the sedimentary cover is not deformed and the oceanic basement dips underneath the continent. Moving from west to east, the NW-dipping main transtensional fault system becomes almost vertical in the central sector with an almost pure sinistral strike-slip movement. To the east, a south-dipping plane is progressively less inclined and changes orientation: here evidence of shortening is visible.
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ABSTRACT The Po Plain is the widest alluvial plain in Italy where the industrial and civil demand... more ABSTRACT The Po Plain is the widest alluvial plain in Italy where the industrial and civil demand for water resources is very high. Getting to know the structure of the aquifers is one of the targets of a number of administrations and companies working on this research field. The collaboration between the Office of Geological Cartography of the Lombardia Region, which elaborated a number of papers and maps of the Po Plain aquifers, and the Laboratory of Information Technology for Earth and Environmental Sciences of the University of Urbino, allowed to build a three dimensional model of the structure of the four groups of the aquifers of the Lombardian alluvial Plain. In order to prepare the files for 3D elaboration the contour maps of the bottom of each of four groups of aquifers, the maps of the cumulative content of sand and other maps (i.e. the boundary between fresh and salt water), already derived from the processing of geophysical data (i.e. seismic reflection profiles), borehole data, well logs, and hydrogeological research integrated with the DTM and the land use map of the area have been imported in CAD/GIS environment (Microstation by Bentley, ArcView by ESRI, Sharc and ThreeX by Terranova). The surfaces of the bottom of each group of aquifers have been built using a 3D modelling software (3DMove by Midland Valley Exploration Ltd.), in order to process a visual and numerical analysis of their morphology and, consequently, to evaluate the total volume actually available (and with the integration of the sand-content maps the effectively available one). A preliminary analysis of fluid migration has also been integrated with the maps of recharge areas and land use in order to assess the aquifers vulnerability at a regional scale. This sort of pilot project showed that a 3D model can provide highly accurate information which can be integrated with other data and used for many purposes so as to develop a sort of 3D GIS for expert users. On the other hand, a 3D model of easier use could spread the geological knowledge lay men such as politic administrations in order to develop a conscious way of thinking and of managing precious water resources.
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ABSTRACT Influence of basement morphology on thrust development. Morphology of the basement may i... more ABSTRACT Influence of basement morphology on thrust development. Morphology of the basement may influence the development of thrusting in a detached sedimentary succession when affected by shortening. In order to better understand the geometry and kinematics of this kind of thrust related structures, a sand box experiment was carried out. A plasticine-made step in one side (mimic a pre-existing scarp in the basement), on the lower part of the box, was covered by glycerine (detachment horizon) and then coloured layered sand (sedimentary succession) on top. A shortening of 24% max was imposed with movement direction orthogonal to the step. Thrusting with ramp-flat geometry above the step, with complex back-thrust and normal faults along the crest sector, was developed. Along-strike variations of thrusting, up to simple pop-up structure in the zone without step, are present. Plan view, cross sections and a digital three-dimensional model visualize many analogies with thrust structure described in the northern Apennines by many authors.
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ABSTRACT GIS and 3DModellig for Geo-Archaeology in Senigallia (Italy): new discoveries and new hy... more ABSTRACT GIS and 3DModellig for Geo-Archaeology in Senigallia (Italy): new discoveries and new hypothesis A collaborative project on Sena Gallica is carrying out by archaelogists (Bologna University) and geologists (Urbino University). Classical methods and digital techniques have been combined for getting new information and interpretations of evolution of the urban landscape of the first maritime colony of Roma on the Adriatic coast. New discoveries of Republican age demonstrate the strong influence between geomorphology and human activities, as the anthropic interventions on the course of Misa river. This work-in-progress suggests new scenarios and open questions on both Quaternary geology and urban archeology. KEY WORDS: Historical Cartography, Preventive Archaeology, Geophysics for Archaeology, GIS, 3D modeling, Quaternary deposits, Urban Geo-Archaeology, Urban landscape, Sena Gallica.
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Special Paper of the Geological Society of America, 2012
ABSTRACT A workfl ow for digital geological mapping, from field work to multidimensional digital ... more ABSTRACT A workfl ow for digital geological mapping, from field work to multidimensional digital map, has been designed and tested in a sector of the Northern Apennines (Furlo Anticline). Using digital tools, a field mapping campaign was conducted after the organization of conceptual schemas for data capture, storage, and management. Once the data and schemas had been tested to enable a map to be drawn using GIS tools, they were almost ready to be imported into modeling tools for maps, sections, and 3D models. Moreover, we believe that web visualization and distribution using Google Earth is a further step in the direction of knowledge transfer to a greater number of people.
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fastionline.org
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Bollettino della Società …, 2002
Résumé/Abstract In the northern Marche area of central Italy, the analysis of land-forms and stre... more Résumé/Abstract In the northern Marche area of central Italy, the analysis of land-forms and stream terraces indicates a generalised Quaternary uplift, as well as differential vertical uplift (of a few tens of metres at most) in different sectors of the foothills area. Moreover, uplift ...
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Papers by Mauro De Donatis