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  • 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous  (9)
  • 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology  (4)
  • 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases
  • Istituto Nazionale di Geofisica e Vulcanologia  (8)
  • Federazione Italiana di Scienze della Terra  (3)
  • American Association for the Advancement of Science  (2)
  • American Chemical Society
  • American Institute of Physics
Collection
Publisher
Years
  • 1
    Publication Date: 2020-12-21
    Description: BREVIA
    Description: We report on the discovery in southern Egypt of an impact crater 45 m in diameter with a pristine rayed structure. Such pristine structures have been previously observed only on atmosphereless rocky or icy planetary bodies in the Solar System. This feature and the association with an iron meteorite impactor and shock metamorphism provides a unique picture of small-scale hypervelocity impacts on the Earth's crust. Contrary to current geophysical models, ground data indicate that iron meteorites with masses of the order of tens of tons can penetrate the atmosphere without significant fragmentation.
    Description: Published
    Description: 804
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: 3.8. Geofisica per l'ambiente
    Description: JCR Journal
    Description: open
    Keywords: Impact crater ; Egypt ; geophysical exploration ; ataxite ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
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    American Association for the Advancement of Science
    Publication Date: 2017-04-04
    Description: BREVIA
    Description: Current emission inventories require an additional "unknown" source to balance the global atmospheric budgets of ethane (C2H6). Here, we provide evidence that a substantial part of the missing source can be attributed to natural gas seepage from petroliferous, geothermal, and volcanic areas. Such geologic sources also inject propane (C3H8) into the atmosphere. The analysis of a large data set of methane (CH4), ethane, and propane concentrations in surface gas emissions of 238 sites from different geographic and geologic areas, coupled with published estimates of geomethane emissions, suggests that Earth's degassing accounts for at least 17% and 10% of total ethane and propane emissions, respectively.
    Description: Published
    Description: 478
    Description: 3.8. Geofisica per l'ambiente
    Description: JCR Journal
    Description: reserved
    Keywords: Ethane ; Propane ; Geologic emissions ; Seepage ; 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2017-04-04
    Description: Red Pompeian paintings, very famous for their deep intensity, are currently suffering from darkening. The origins of this darkening degradation are not clearly identified yet and remain a major issue for curators. In the specific case of cinnabar (HgS)-based red pigment, a photoinduced conversion into black metacinnabar is usually suspected. This work is focused on the blackening of red cinnabar paintings coated on a sparry calcite mortar. Different samples exhibiting different levels of degradation were selected upon visual observations and analyzed by synchrotron-based microanalytical techniques. Atomic and molecular compositions of the different debased regions revealed two possible degradation mechanisms. On one hand, micro X-ray fluorescence elemental maps show peculiar distributions of chlorine and sulfur. On the other hand, X-ray absorption spectroscopy performed at both Cl and S K-edges confirms the presence of characteristic degradation products: (i) Hg- Cl compounds (e.g., corderoite, calomel, and terlinguaite), which may result from the reaction with exogenous NaCl, in gray areas; (ii) gypsum, produced by the calcite sulfation, in black coatings. Metacinnabar is never detected. Finally, a cross section was analyzed to map the in-depth alteration gradient. Reduced and oxidized sulfur distributions reveal that the sulfated black coating consists of a 5-ím-thick layer covering intact cinnabar.
    Description: Published
    Description: 7484-7492
    Description: reserved
    Keywords: Microspectroscopy Analysis ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    Federazione Italiana di Scienze della Terra
    Publication Date: 2017-04-04
    Description: Geoethics is born with the intent to highlight the social role of Geosciences, to encourage a critical analysis on the use of natural resources, to promote the enhancement and protection of the Geosphere, the correct information on risks, the involvement of the scientific community in the idea of a common and shared “geological” heritage. But what is the deep meaning of the word “geoethics”, its origins, its use? On the one hand Geoethics can be defined as the investigation and reflection on the behaviour of men towards the Geosphere, on the other hand as the analysis of the relationship between the geologist who acts and his own action, with clear implications of responsibility both in scientific research and in professional practice. Starting from the etymology of the words, we can try to grasp the meaning of the geologist’s activity.
    Description: Published
    Description: 12-13
    Description: 5.9. Formazione e informazione
    Description: N/A or not JCR
    Description: open
    Keywords: ethics ; geoscientists ; social responsibility ; planet Earth ; Earth sciences ; geological knowledge ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 5
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    Federazione Italiana di Scienze della Terra
    Publication Date: 2017-04-04
    Description: In recent years among geoscientists there is a growing awareness that their scientific and technical choices in each sector of activity (public, professional, industrial, research or teaching) can have significant repercussions on the territory and on the citizens that inhabit it and therefore that it is opportune to accompany these choices with appropriate reflections. Starting from the necessity to reconsider the way of man's relationship to the planet Earth, the geoscientists are wondering about the role played in the social context in which they operate, about their responsibilities in taking decisions on the use of natural resources, on the exploitation and protection of the Geosphere, when they are required to give correct information on hazards, to support the emergency management or to make society aware about the value of own territory as a common heritage to share. Up to 2007 in Italy, many researchers and practitioners have dealt with these issues, but the debate never took place in a coordinated and organized way. In addition, the occasions where to develop these themes were dedicated in wider sense to philosophical, epistemological and social aspects related to the Geosciences. The need to develop a debate on Geoethics with better coordination has been confirmed by the success of the session entirely devoted to Geoethics, hosted for the first time in Italy within the VII Forum of Earth Sciences (Rimini, 2009). The significant number of intervened speakers and discussed topics showed the desire and the importance of going ahead in this cultural path in our country. In any case, it became evident the necessity to organize more effectively those who want to devote to these issues, improving their coordination, expanding the network of contacts and creating more opportunities for the debate. To this end, some ideas are proposed, that aim to create a common space of reflection on Geoethics issues, offering a convenient time for the research and the discussion, a place for organizing and setting the activities, which represents a starting point for the dissemination of these issues within the national and international scientific community and c ivil society.
    Description: Published
    Description: Torino
    Description: 5.9. Formazione e informazione
    Description: open
    Keywords: Geoethics ; dissemination ; scientific community ; society ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 6
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    Istituto Nazionale di Geofisica e Vulcanologia
    Publication Date: 2017-04-04
    Description: This is the first volume of an international scientific journal that is dedicated to issues of geoethics and geological culture. Its goal is to inform the Italian and international scientific communities about what emerged at the GeoItalia 2011 conference, attended by not only Italian geoscientists. At this conference, the geoscientists questioned their role in society and the responsibilities that they have to assume as scholars of the planet Earth and experts of the territory. They highlighted the need for rediscovery of the cultural values of geology as a science that can contribute to the construction of correct social knowledge, and the need to be aware that geoethics cannot exist without a real awareness among geoscientists of the cultural value of the Earth sciences.
    Description: Published
    Description: 331
    Description: 5.9. Formazione e informazione
    Description: JCR Journal
    Description: open
    Keywords: Geoethics ; Geoetica ; Geological Culture ; Earth Sciences ; Philosophy ; Education ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
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    Istituto Nazionale di Geofisica e Vulcanologia
    Publication Date: 2017-04-04
    Description: Prof. Giulio Giorello is amongst the most prominent philosophers of science in Italy and in the world. He is currently Professor of the Philosophy of Science at the University of Milan, Director of the Series ‘Science and Ideas’ (Raffaele Cortina Books Editor), and Literary Journalist of the cultural pages of the Corriere della Sera, one of the most important of the Italian newspapers. In this keynote presentation, in interview form, he talks about the value that the Earth sciences have had through history, framing this group of disciplines in ethical and epistemological terms, and highlighting some important elements that have to be considered in geological activities.
    Description: Published
    Description: 343-346
    Description: 5.9. Formazione e informazione
    Description: JCR Journal
    Description: open
    Keywords: Geoethics ; Geological Culture ; Geoetica ; Giulio Giorello ; Earth Sciences ; Interview ; Philosophy ; Epistemology ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2019-11-04
    Description: The terrestrial 3D Laser Scanning technique has been applied to analyse the surface roughness of pyroclastic deposits on volcanic surfaces at Mt. Etna. This technique allowed the construction of high accuracy digital elevation models of small surfaces, about 1 m across. Sampled surfaces differ for percentage of coverage and for grain size of the pyroclastic deposits. The change in grain size distribution for the pyroclastic unconsolidated deposits affects the surface roughness. The roughness of the site where the finest pyroclastic deposits occur is mainly governed by large scale wavelength morphology (Hurst exponent H = 0.77 for lengths larger than 16 mm). The other sampled surfaces have self-affine characters with low (0.15) to intermediate (0.35 - 0.38) Hurst exponents for lengths higher than 10 – 22 mm. Here we show results of the analysis of the surface roughness of the pyroclastic deposits emplaced during the 2001 and 2002-2003 eruptions at Mt. Etna. Grain size and thickness of pyroclastic deposits mainly control the overall roughness of such as volcanic surface.
    Description: Published
    Description: 813-822
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 1.10. TTC - Telerilevamento
    Description: 3.5. Geologia e storia dei sistemi vulcanici
    Description: JCR Journal
    Description: open
    Keywords: surface roughness ; pyroclastic deposits ; Laser 3D ; Mount Etna ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology ; 04. Solid Earth::04.04. Geology::04.04.10. Stratigraphy ; 04. Solid Earth::04.04. Geology::04.04.11. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 9
    Publication Date: 2019-11-04
    Description: Several Electrical Resistivity Tomography (ERT) surveys have been carried out to study the subsurface structural and sedimentary settings of the upper Ufita River valley, and to evaluate their efficiency to distinguish the geological boundary between shallow Quaternary sedimentary deposits and clayey bedrock characterized by moderate resistivity contrast. Five shallow ERTs were carried out across a morphological scarp running at the foot of the northeastern slope of the valley. This valley shoulder is characterized by a set of triangular facets, that some authors associated to the presence of a SW-dipping normal fault. The geological studies allow us to interpret the shallow ERTs results obtaining a resistivity range for each Quaternary sedimentary deposit. The tomographies showed the geometrical relationships of alluvial and slope deposits, having a maximum thickness of 30-40 m, and the morphology of the bedrock. The resistivity range obtained for each sedimentary body has been used for calibrating the tomographic results of one 3560m-long deep ERT carried out across the deeper part of the intramountain depression with an investigation depth of about 170 m. The deep resistivity result highlighted the complex alluvial setting, characterized by alternating fine grained lacustrine deposits and coarser gravelly fluvial sediments.
    Description: This work was partially funded by INGV-DPC grant to P. Burrato and A. Siniscalchi (Project S2, Research Units 2.4 and 2.16, respectively).
    Description: Published
    Description: 213-223
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: 3.2. Tettonica attiva
    Description: JCR Journal
    Description: open
    Keywords: shallow ERT ; deep ERT ; Ufita River valley ; southern Apennines ; 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 10
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    Federazione Italiana di Scienze della Terra
    Publication Date: 2017-04-04
    Description: In the research activity, often the necessary fulfillment of administrative and bureaucratic practices can lead to neglecting the transfer of scientific results to the community, with the effect of a loss in terms of cultural growth for society itself, which has indirectly financed the products of that research and at the end risks not to have advantage by using them. In a research project, it is necessary to find the right balance between the scientific-technical work and the financial and administrative management, and to assess time needed to develop the project in all its components, including the space for the dissemination and popularization of results respectively to professionals and citizens: the former could not be able to use achieved scientific advances for their application on the territory, the latter could remain passive people in decisions regarding the environment they inhabit, without the possibility for accessing to accurate information on natural hazards from which they must and can defend themselves. The authors will show how the different modalities of financing and managing of two research projects have influenced the achievement and the usability of the results, with diverse consequences in the social contexts where these results would find their suitable application. In addition, through the two experiences, they will highlights the importance of collaboration between research and professional world for pursuing goals of public usefulness.
    Description: Published
    Description: Torino
    Description: 5.9. Formazione e informazione
    Description: open
    Keywords: Geoethics ; scientific research ; society ; popularization ; natural hazards ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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