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  • Artikel  (4)
  • 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous  (2)
  • 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous  (2)
  • Elsevier Ltd  (2)
  • AGU- American Geophysical Union  (1)
  • American Chemical Society  (1)
  • 2005-2009  (4)
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  • Artikel  (4)
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  • 2005-2009  (4)
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  • 1
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    Is the ‘peaceful use’ of outer space being ruled out? (2008)
    Elsevier Ltd
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: Dual-use space technology poses a threat to the original peaceful mandate of scientific research, being de facto a proxy for future military confrontation in space. Following the example of the USA, the European Union and consortia of European nations are starting to flatten the barriers between military, commercial and scientific missions and programmes, under pressure from security issues and to protect their economic investments in space. While arguing against the militarization of the space environment, this article presents a summary of the potential benefits and drawbacks of the rise of dual use in the European scenario. It then discusses the Italian Cosmo-SkyMed mission as an example of Europe's move towards dual-use technology. Some suggestions are made for enforcing the peaceful use of outer space, such as maintaining free data availability and providing for greater public and scientific say in missions.
    Beschreibung: Published
    Beschreibung: 231-237
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): Peaceful use of space ; Military space ; European space policy ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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    ARTIKEL (OA)
  • 2
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    NEW INSIGHTS INTO THE BASEMENT STRUCTURE OF THE WEST (2009)
    AGU- American Geophysical Union
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The oil- and gas-rich West Siberian Basin is underlain by a layer of flood basalts of late Permian-Triassic age that are coeval with the Siberian traps. The extent and thickness of the basalts is unknown, but knowing their thickness is important for discussions on the end- Permian mass extinction because basalt volume constrains estimates of emitted volatiles. We have used GRACE satellite and terrestrial gravity data to study the structure of the crust and basalt distribution. Published seismic sections are used to constrain the sediment isopachs and to estimate a depth-density function. We use published models of crustal thickness and basement depth to reduce the observed gravity field to the basement level. The resulting 3D density model gives information on density anomalies in the lower crust and upper mantle and on the basalt thickness. We identify several rift-graben structures which are presumably filled with basalt. The lower crust below the West Siberian Basin shows considerable density variations and these variations allow the region to be divided into four major blocks. The eastern part of the basin, towards the Siberian platform, shows an arch-shaped density increase in the lower crust that is accompanied by a linear high-density anomaly at shallower depths. Our work demonstrates the way in which the GRACE-gravity field can be applied to map geological structures like buried rifts and large basins. The same techniques can be used for other large, remote basins such as those in cratonic South America.
    Beschreibung: In press
    Beschreibung: 12-20
    Beschreibung: 3.3. Geodinamica e struttura dell'interno della Terra
    Beschreibung: JCR Journal
    Beschreibung: open
    Schlagwort(e): West Siberian Basin ; End Perm basalts ; GRACE ; Gravity ; Isostasy ; Oil Maturation ; Flood basalt ; Plume magmatism ; Mass extinction ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Structural features of Panarea volcano in the frame of the Aeolian Arc (Italy): Implications for the 2002–2003 unrest (2009)
    Elsevier Ltd
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: Panarea, characterized by gas unrest in 2002–2003, is the volcanic island with the least constrained structure in the eastern-central Aeolian Arc (Italy). Based on structural measurements, we define here its deformation pattern relative to the Arc. The main deformations are subvertical extension fractures (63% of data), normal faults (25%) and dikes (12%). The mean orientation of the extension fractures and faults is ∼N38◦E, with a mean opening direction of N135◦ ±8◦, implying extension with a moderate component of dextral shear. These data, matched with those available for Stromboli volcano (pure opening) and Vulcano, Lipari and Salina volcanoes (predominant dextralmotions) along the eastern-central Arc, suggest a progressivewestward rotation of the extension direction and an increase in the dextral shear. The dextral shear turns into compression in the western arc. The recent unrest at Panarea, coeval to that of nearby Stromboli, may also be explained by the structural context, as both volcanoes lie along the portion of the Arc subject to extension.
    Beschreibung: Protezione Civile, project INGV-DPC-V2
    Beschreibung: Published
    Beschreibung: 288-292
    Beschreibung: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Beschreibung: 3.2. Tettonica attiva
    Beschreibung: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Beschreibung: 3.6. Fisica del vulcanismo
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): Panarea ; Aeolian Arc ; fault ; dike ; 2002-2003 unrest ; 04. Solid Earth::04.01. Earth Interior::04.01.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics ; 04. Solid Earth::04.07. Tectonophysics::04.07.04. Plate boundaries, motion, and tectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes ; 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics ; 04. Solid Earth::04.07. Tectonophysics::04.07.08. Volcanic arcs ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    Blackening of Pompeian Cinnabar paintings: X-ray micro-spectroscopy analysis (2007)
    American Chemical Society
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: 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.
    Beschreibung: Published
    Beschreibung: 7484-7492
    Beschreibung: reserved
    Schlagwort(e): Microspectroscopy Analysis ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
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