Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6065| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Chiodini, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.authorall | Caliro, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.authorall | Cardellini, C.; Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.authorall | Granieri, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
| dc.contributor.authorall | Avino, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.authorall | Baldini, A.; Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.authorall | Donnini, M.; Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.authorall | Minopoli, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.date.accessioned | 2010-06-30T12:59:22Z | en |
| dc.date.available | 2010-06-30T12:59:22Z | en |
| dc.date.issued | 2010 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/6065 | en |
| dc.description.abstract | Long duration time-series of the chemical composition of fumaroles and of soil CO2 flux reveal that important variations in the activity of the Solfatara fumarolic field, the most important hydrothermal site of Campi Flegrei, occurred in the 2000-2008 period. A continuous increase of the CO2 concentrations, and a general decrease of the CH4 concentrations are interpreted as the consequence of the increment of the relative amount of magmatic fluids, rich in CO2 and poor in CH4, hosted by the hydrothermal system. Contemporaneously, the H2O-CO2-He-N2 gas system shows remarkable compositional variations in the samples collected after July 2000 with respect to the previous ones, indicating the progressive arrival at the surface of a magmatic component different from that involved in the 1983-84 episode of volcanic unrest (1983-1984 bradyseism). The change starts in 2000 concurrently with the occurrence of relatively deep, long-period seismic events which were the indicator of the opening of an easy-ascent pathway for the transfer of magmatic fluids towards the shallower, brittle domain hosting the hydrothermal system. Since 2000, this magmatic gas source is active and causes ground deformations, seismicity as well as the expansion of the area affected by soil degassing of deeply derived CO2. Even though the activity will most probably be limited to the expulsion of large amounts of gases and thermal energy, as observed in other volcanoes and in the past activity of Campi Flegrei, the behavior of the system in the future is, at the moment, unpredictable. | en |
| dc.language.iso | English | en |
| dc.publisher.name | American Geophysical Union | en |
| dc.relation.ispartof | J. Geophys. Res. | en |
| dc.relation.ispartofseries | /115(2010) | en |
| dc.subject | Campi Flegrei | en |
| dc.subject | CO2 | en |
| dc.title | Long term variations of the Campi Flegrei (Italy) volcanic system as revealed by the monitoring of hydrothermal activity | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | B03205 | en |
| dc.subject.INGV | 03. Hydrosphere::03.04. Chemical and biological::03.04.06. Hydrothermal systems | en |
| dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry | en |
| dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.01. Gases | en |
| dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk | en |
| dc.identifier.doi | 10.1029/2008JB006258 | en |
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Rutherford, L. Civetta, G. Orsi, and P. Papale (2008), The deep magmatic system of the Campi Flegrei caldera (Italy), Geophys. Res. Lett., 35, L21304. Miller, S. A., Collettini C., Chiaraluce L., Cocco M., Barchi M. R., and K. B. (2004), Aftershocks driven by a high pressure CO2 source at depth., Nature, 427, 724-772. Moridis, G., and K. Pruess (1998), Flow and transport simulations using T2CG1, a package of conjugate Gradient Solvers for the TOUGH2 family of codes., Report LBL 36235, Lawrence Berkeley Nat. Lab. Narasimhan, T. N., P. A. Witherspoon, and. (1976), An integrated finite difference method for analysing fluid flow in porous media., Water Resour. Res., 12, 57-64. Orsi, G., S. de Vita, and M. di Vito (1996), The restless, resurgent Campi Flegrei nested caldera (Italy); constraints on its evolution and configuration, J. Volcanol. Geother. Res., 74(3-4), 179-214. Orsi, G., L. Civetta, C. Del Gaudio, S. de Vita, M.A. Di Vito, R. Isaia, S.M. Petrazzuoli, G.P. Ricciardi, and C. 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Res., 19, 511-520. | en |
| dc.description.obiettivoSpecifico | 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive | en |
| dc.description.obiettivoSpecifico | 2.4. TTC - Laboratori di geochimica dei fluidi | en |
| dc.description.obiettivoSpecifico | 4.5. Studi sul degassamento naturale e sui gas petroliferi | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.contributor.author | Chiodini, G. | en |
| dc.contributor.author | Caliro, S. | en |
| dc.contributor.author | Cardellini, C. | en |
| dc.contributor.author | Granieri, D. | en |
| dc.contributor.author | Avino, R. | en |
| dc.contributor.author | Baldini, A. | en |
| dc.contributor.author | Donnini, M. | en |
| dc.contributor.author | Minopoli, C. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.department | Dipartimento di Scienze della Terra, Università di Perugia, Perugia,Italy | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | restricted | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Bologna, Bologna, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
| crisitem.author.dept | Dipartimento di fisica e Geologia di Perugia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
| crisitem.author.dept | Dipartimento scienze della Terra Università di Perugia, Italy | - |
| crisitem.author.dept | CNR Perugia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
| crisitem.author.orcid | 0000-0002-0628-8055 | - |
| crisitem.author.orcid | 0000-0002-8522-6695 | - |
| crisitem.author.orcid | 0000-0003-2831-723X | - |
| crisitem.author.orcid | 0000-0003-2686-220X | - |
| crisitem.author.orcid | 0000-0001-7270-7783 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.classification.parent | 03. Hydrosphere | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| Appears in Collections: | Article published / in press | |
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