Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/2774
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dc.contributor.authorallAiuppa, A.; Università di Palermo, Dipartimento CFTAen
dc.contributor.authorallD'Alessandro, W.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallGurrieri, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallMadonia, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallParello, F.; Università di Palermo, Dipartimento CFTAen
dc.date.accessioned2007-11-07T17:07:21Zen
dc.date.available2007-11-07T17:07:21Zen
dc.date.issued2007en
dc.identifier.urihttp://hdl.handle.net/2122/2774en
dc.description.abstractHydrological and geochemical studies performed on Lake Specchio di Venere on Pantelleria island (Italy) indicate that this endorheic basin has been formed through upwelling of the water table, and that it is continuously fed by the thermal springs situated on its shores. The lake is periodically stratified both thermally and in salinity, albeit this stratification is rather unstable over time since meteorological events such as strong rain or wind can determine the mixing of its waters. Periodical analyses of the lake water chemistry show large variations of the salt content due to the yearly evaporation-rain dilution cycle. These processes are also responsible for the saline stratification during steady meteorological conditions. The mineralogical characterisation of the bottom sediments shows the almost exclusive presence of neoformation minerals, mainly carbonates, formed in response to the pH gradient between spring- (pH≈6) and lake-waters (pH≈9). Finally, the CO2 partial pressures in the lake water slightly exceeding the atmospheric one, are due to the large amounts of CO2 brought to the lake through the bubbling free gas phase of the thermal springs. Nevertheless the high pH value of the lake water, its small volume and its periodical mixing prevent dangerous built up of this gas.en
dc.language.isoEnglishen
dc.publisher.nameSpringeren
dc.relation.ispartofEnvironmental Geologyen
dc.relation.ispartofseries/ (2007)en
dc.subjectPantelleria islanden
dc.subjectvolcanic lakeen
dc.subjectgas hazarden
dc.titleHydrologic and geochemical survey of the lake “Specchio di Venere” (Pantelleria island, Southern Italy)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.identifier.URLhttp://www.springerlink.com/content/925634qj13341707/fulltext.pdfen
dc.subject.INGV03. Hydrosphere::03.02. Hydrology::03.02.02. Hydrological processes: interaction, transport, dynamicsen
dc.subject.INGV03. Hydrosphere::03.04. Chemical and biological::03.04.03. Chemistry of watersen
dc.subject.INGV04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistryen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risken
dc.identifier.doi10.1007/s00254-007-0702-1en
dc.description.obiettivoSpecifico1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attiveen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorAiuppa, A.en
dc.contributor.authorD'Alessandro, W.en
dc.contributor.authorGurrieri, S.en
dc.contributor.authorMadonia, P.en
dc.contributor.authorParello, F.en
dc.contributor.departmentUniversità di Palermo, Dipartimento CFTAen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptUniversità di Palermo, DiSTeM, Italy-
crisitem.author.orcid0000-0002-0254-6539-
crisitem.author.orcid0000-0003-1724-0388-
crisitem.author.orcid0000-0003-4085-0440-
crisitem.author.orcid0000-0002-0949-9691-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent03. Hydrosphere-
crisitem.classification.parent03. Hydrosphere-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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