Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8300
DC Field | Value | Language |
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dc.contributor.authorall | Letort, J.; ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.authorall | Roux, P.; ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.authorall | Vandemeulebrouck, J.; ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Université de Savoie, Chamb´ery, France | en |
dc.contributor.authorall | Coutant, O.; ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.authorall | Cros, E.; ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e de Savoie, Chamb´ery, France | en |
dc.contributor.authorall | Wathelet, M.; Dipartimento di Scienze della Terra, Universit`a di Perugia, Perugia, Italy | en |
dc.contributor.authorall | Cardellini, C.; Dipartimento di Scienze della Terra, Universit`a di Perugia, Perugia, Italy | en |
dc.contributor.authorall | Avino, R.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.date.accessioned | 2012-10-19T13:08:52Z | en |
dc.date.available | 2012-10-19T13:08:52Z | en |
dc.date.issued | 2012 | en |
dc.identifier.uri | http://hdl.handle.net/2122/8300 | en |
dc.description.abstract | The Solfatara is one of the major volcanoes of the Phlegrean Fields (Campi Flegrei) volcanic complex, and it is located in a densely populated area a few kilometres west of the city of Naples. It is an active resurgent caldera that has been characterized by a rich history of surface–ground deformation and soil diffuse degassing and fumarolic emissions, which are indications of the top of a hydrothermal plume. A seismic survey was completed in May 2009 for the characterization of the main subsurface features of the Solfatara. Using the complete data set, we have carried out surface wave inversion with high spatial resolution. A classical minimization of a least-squares objective function was first computed to retrieve the dispersion curves of the surface waves. Then, the fitting procedure between the data and a three-sedimentlayer forward model was carried out (to a depth of 7 m), using an improved version of the neighbourhood algorithm. The inversion results indicate a NE-SW fault, which is not visible at the surface. This was confirmed by a temperature survey conducted in 2010. A passive seismic experiment localized the ambient noise sources that correlate well with the areas of high CO2 flux and high soil temperatures. Finally, considering that the intrinsic attenuation is proportional to the frequency, a centroid analysis provides an overview of the attenuation of the seismic waves, which is closely linked to the petrophysical properties of the rock. These different approaches that merge complete active and passive seismic data with soil temperature and CO2 flux maps confirm the presence of the hydrothermal system plume. Some properties of the top of the plume are indicated and localized. | en |
dc.language.iso | English | en |
dc.publisher.name | Wiley-Blackwell | en |
dc.relation.ispartof | Geophysical Journal International | en |
dc.relation.ispartofseries | /189(2012) | en |
dc.subject | Inverse theory | en |
dc.subject | Tomography | en |
dc.subject | Hydrothermal systems | en |
dc.subject | Europe | en |
dc.title | High-resolution shallow seismic tomography of a hydrothermal area: application to the Solfatara, Pozzuoli | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 1725–1733 | en |
dc.subject.INGV | 03. Hydrosphere::03.02. Hydrology::03.02.04. Measurements and monitoring | en |
dc.subject.INGV | 03. Hydrosphere::03.04. Chemical and biological::03.04.05. Gases | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.11. Instruments and techniques | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry | en |
dc.identifier.doi | 10.1111/j.1365-246X.2012.05451.x | en |
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Bruno, P.P.G., Ricciardi, G.P., Petrillo, Z., Di Fiore, V., Troiano, A. & Chiodini G., 2007. Geophysical and hydrogeological experiments from a shallow hydrothermal system at Solfatara Volcano, Campi Flegrei, Italy: response to caldera unrest, J. geophys. Res., 112, B6–B06201, doi:10.1029/2006JB004383. Chiodini, G., Marini, L. & Russo, M., 2001. Geochemical evidence of high temperature hydrothermal brines at Vesuvio volcano (Italy), Geochim. Cosmochim. Acta, 65, 2129–2147, doi:10.1016/S0016- 7037(01)00583-X. Chiodini, G., Granieri, D., Avino, R., Caliro, S. & Costa, A., 2005. Carbon dioxide diffuse degassing and estimation of heat release from volcanic and hydrothermal systems, J. geophys. Res., 110, B8–B08204, doi:10.1029/2004JB003542. Cros, E., Roux, P., Vandemeulebrouck, J. & Kedar, S., 2011. Locating hydrothermal acoustic sources at old faithful geyser using matched-field processing, Geophys. J. Int., 187, 385–393. De Siena, L., Del Pezzo, E. & Bianco, F., 2010. 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Todesco, M.,Rinaldi, A.P.&Bonafede,M., 2010. Modeling of unrest signals in heterogeneous hydrothermal systems, J. geophys. Res., 115, B09213, doi:10.1029/2010JB007474. Vandemeulebrouck, J., Stemmelen, D., Hurst, T. & Grangeon, J., 2005. Analogue modeling of instabilities in crater lake hydrothermal systems, J. geophys. Res., 110, B2–B02212, doi:10.1029/2003JB002794. Vandemeulebrouck, J., Roux, P., Gou´edard, P., Legaz, A., Revil, A., Hurst, A.W., Bol`eve, A. & Jardani, A., 2010. Appication of acoustic noise and self-potential localization techniques to a buried hydrothermal vent (Waimangu Old Geyser site, New Zealand), Geophys. J. Int., 180, 883–890, doi:10.1111/j.1365-246X.2009.04454.x. Wathelet, M., 2008. An improved neighborhood algorithm: parameter conditions and dynamic scaling, Geophys. Res. Lett., 35, L09301, doi:10.1029/2008GL033256. White, J.E., Mikhaylova, N.G. & Lyakhovitsky, F.M., 1975. Low-frequency seismic waves in fluid saturated layered rocks, Phys. Solid Earth, 11, 654–659. Zollo, A., Maercklin, N., Vassallo, M., Iacono, D.D., Virieux, J. & Gasparin, P., 2008. Seismic reflections reveal a massive melt layer feeding Campi Flegrei caldera, Geophys. Res. Lett., 35, L12306, doi:10.1029/2008GL034242. | 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 | restricted | en |
dc.relation.issn | 0956-540X | en |
dc.relation.eissn | 1365-246X | en |
dc.contributor.author | Letort, J. | en |
dc.contributor.author | Roux, P. | en |
dc.contributor.author | Vandemeulebrouck, J. | en |
dc.contributor.author | Coutant, O. | en |
dc.contributor.author | Cros, E. | en |
dc.contributor.author | Wathelet, M. | en |
dc.contributor.author | Cardellini, C. | en |
dc.contributor.author | Avino, R. | en |
dc.contributor.department | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.department | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.department | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Université de Savoie, Chamb´ery, France | en |
dc.contributor.department | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | en |
dc.contributor.department | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e de Savoie, Chamb´ery, France | en |
dc.contributor.department | Dipartimento di Scienze della Terra, Universit`a di Perugia, Perugia, Italy | en |
dc.contributor.department | Dipartimento di Scienze della Terra, Universit`a 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 | Ecole et Observatoire des Sciences de la Terre, Universite de Strasbourg, France | - |
crisitem.author.dept | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e Grenoble 1, France. | - |
crisitem.author.dept | LGIT-IRIGM, Université Joseph Fourier and CNRS, Grenoble, France | - |
crisitem.author.dept | ISTERRE, Institut des Sciences de la Terre, CNRS UMR 5275, Universit´e de Savoie, Chamb´ery, France | - |
crisitem.author.dept | LGIT, University J. Fourier, Grenoble, France | - |
crisitem.author.dept | Dipartimento di fisica e Geologia di Perugia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.orcid | 0000-0002-2991-4215 | - |
crisitem.author.orcid | 0000-0003-2686-220X | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 03. Hydrosphere | - |
crisitem.classification.parent | 03. Hydrosphere | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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