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  • 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems  (4)
  • 1
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    The Albano Maar Lake high resolution bathymetry and dissolved CO2 budget (Colli Albani volcano, Italy): Constrains to hazard evaluation (2008)
    Elsevier
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The Albano Lake is the deepest volcanic lake in Italy (−167 m) and fills the youngest maar of the quiescent Colli Albani volcano. The lake has undergone significant level changes and lahar generating overflows occurred about 5800 yrs B.P. and likely in 398 b.C., when Romans excavated a tunnel drain through the maar wall. Hazardous lake rollovers and CO2 release are still possible because the Albano volcano shows active ground deformation, gas emission and periodic seismic swarms. On November 2005, the first high resolution bathymetric survey of the Albano Lake was performed. Here we present the results provided by a Digital Elevation Model and 2-D and 3-D images of the crater lake floor, which is made by coalescent and partly overlapping craters and wide flat surfaces separated by some evident scarps. Submerged shorelines are identified at depths between −20 m and −41 m and indicate the occurrence of significant lake level changes, likely between 7.1 and 4.1 ka. The current lake volume is ~447.5×106 m3 and the total quantity of dissolved CO2 is 6850 t estimated by chemical analyses of samples collected on May 2006. A decrease of nearly one order of magnitude of the CO2 dissolved in the lake water below −120 m, observed from December 1997 to May 2006 (from 4190 to 465 t respectively), has been attributed to lake water overturn. The observed oscillations of the dissolved CO2 concentrations justify the efforts of monitoring the chemical and physical characteristics of the lake. At present the quantity of dissolved CO2 is very far from saturation and Nyostype events cannot presently occur.
    Beschreibung: DPC-INGV Project V3_1
    Beschreibung: Published
    Beschreibung: 258–268
    Beschreibung: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Beschreibung: 1.3. TTC - Sorveglianza geodetica delle aree vulcaniche attive
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): Albano maar ; lake bathymetry ; geochemistry ; crater lake hazard ; 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 04. Solid Earth::04.06. Seismology::04.06.04. Ground motion ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
  • 2
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    Unbekannt
    Questo caldo, caldo, caldo mondo (2011)
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: La mostra consente fin dal suo inizio di “entrare” nel mondo degli spettacolari fenomeni geotermici. Immagini di geyser, pozze di fango ribollente, fumarole, acque termali dai colori più improbabili, incrostazioni multicolori e affascinanti cristalli, provenienti da varie parti del mondo accompagneranno i visitatori alla scoperta delle caratteristiche naturalistiche del fenomeno. Ad arricchire l'esposizione iniziale curata da Vulcano Esplorazioni, un video con immagini raccolte in varie parti del pianeta, eccezionali campioni di minerali di origine idrotermale provenienti dal Museo di Storia Naturale di Milano e diorami esplicativi, in scala e ridotti. Ricostruzioni, schemi ed exhibit facilitano la comprensione del meccanismo fisico che scatena questi fenomeni. La parte scientifica, curata in particolare dall’INGV, ripercorre anche le esperienze pionieristiche di Larderello, ricostruendo il primo esperimento del 1904 di produzione di energia elettrica da vapore geotermico. Il percorso museale illustra anche il grande potenziale energetico presente soprattutto in Italia, il paese più caldo d'Europa, offerto dal calore della Terra, un’energia rinnovabile e pulita. L'esibizione termina con uno spettacolare filmato in 3D.
    Beschreibung: Festival della Scienza, CLIVET,
    Beschreibung: Unpublished
    Beschreibung: Palazzo Ducale, Loggia degli Abati P.zza Matteotti, 9 - Genova
    Beschreibung: 4.4. Scenari e mitigazione del rischio ambientale
    Beschreibung: 4.5. Studi sul degassamento naturale e sui gas petroliferi
    Beschreibung: 5.9. Formazione e informazione
    Beschreibung: open
    Schlagwort(e): Geotermia, potenziale geotermico Italia ; 03. Hydrosphere::03.04. Chemical and biological::03.04.04. Ecosystems ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration ; 04. Solid Earth::04.02. Exploration geophysics::04.02.03. Heat flow ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: Conference paper
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
  • 3
    facet.materialart.
    Unbekannt
    Carbon Dioxide Diffuse Soil Degassing: A Precious Tool For Identifying Productive Geothermal Reservoirs (2011)
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: that deep wells find high temperatures but are not productive because they don’t cross any permeable fractured reservoir. Because of the high cost of deep drillings, this aspect represents one of the main economic risk of geothermal exploration. The aim of this paper is to show that a detailed survey of diffuse CO2 soil flux allows to identify from the surface the permeable portions of a deep-seated actively degassing geothermal reservoir, drastically reducing that risk. The first application of the method has been made in the Quaternary Latera caldera, North of Rome. We will show that productive wells were all located on high CO2 flux zones, whereas the not-productive wells were sited on low flux areas. In addition the survey allows to identify some as yet unexplored portions of the geothermal reservoir where future wells should be conveniently located. The same technique has been applied in the geothermal exploration of Platanares and Azacualpa, Honduras and of Las Pailas, Costa Rica. Obviously, CO2 flux cannot provide any estimate of temperature at depth, which has to be assessed with other geochemical or geophysical exploration techniques.
    Beschreibung: Comission of Cities and Volcanoes (CaV) of the International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) Agencia Española de Cooperación Internacional para el Desarrollo (AECID), Gobierno de España Ministerio de Ciencia e Innovación (MICINN), Gobierno de España Unidad Militar de Emergencias (UME), Ministerio de Defensa, Gobierno de España Agencia Canaria de Investigación, Innovación y Sociedad de la Información (ACIISI), Gobierno de Canarias Viceconsejería de Infraestructuras y Planificación, Gobierno de Canarias Consejería de Turismo, Gobierno de Canarias Consejería de Medio Ambiente y Ordenación Territorial, Gobierno de Canarias Viceconsejería de Cultura y Deportes, Gobierno de Canarias Instituto Español de Oceanografía (IEO)Instituto Geológico y Minero de España (IGME)Instituto Geográfico Nacional (IGN)Academia Canaria de Seguridad Federación Canaria de Municipios (FECAM) Universidad de La Laguna (ULL)Instituto de Estudios Hispánicos de Canarias (IEHC) CajaCanarias
    Beschreibung: Published
    Beschreibung: Puerto de la Cruz, Tenerife, Spain
    Beschreibung: 4.5. Studi sul degassamento naturale e sui gas petroliferi
    Beschreibung: open
    Schlagwort(e): geothermal exploration, CO2 soil flux ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: Oral presentation
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
  • 4
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    Unbekannt
    Hazardous gas blowouts from shallow wells in the Colli Albani (2011)
    Taylor & Francis Group, London
    Details
    Publikationsdatum: 2017-04-04
    Beschreibung: The Colli Albani volcanic area is affected by huge degassing of likely magmatic or mantle origin, as suggested by the gas He isotopic composition. Gas rising from a buried calcareous aquifer generates several surface emissions and accumulates also in permeable layers at various depths, from 10 to 350 m, beneath impervious formations. When reached by wells, these pressurized gas pockets cause hazardous blowouts of CO2 and H2S, often in inhabited zone. Remedy requires the restoration of the drilled cap by cement injections, whose effectiveness can be conveniently assessed by monitoring both CO2 soil diffuse flux and CO2 and H2S air concentration.
    Beschreibung: Published
    Beschreibung: 913-916
    Beschreibung: 4.5. Studi sul degassamento naturale e sui gas petroliferi
    Beschreibung: reserved
    Schlagwort(e): Colli Albani, blowouts, CO2 and H2S monitoring ; 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: book chapter
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
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