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Upper crustal structure of Madeira Island revealed from ambient noise tomography

2015-06-01Journal article Restricted access
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dc.contributor.authorMatos, Catarina
dc.contributor.authorSilveira, Graça
dc.contributor.authorMatias, Luís
dc.contributor.authorCaldeira, Rita
dc.contributor.authorRibeiro, M. Luísa
dc.contributor.authorDias, Nuno
dc.contributor.authorKrüger, Frank
dc.contributor.authorSantos, Telmo Bento dos
dc.date.accessioned2016-03-22T10:49:32Z
dc.date.available2016-03-22T10:49:32Z
dc.date.issued2015-06-01
dc.description.abstractWe present the first image of the Madeira upper crustal structure, using ambient seismic noise tomography. 16 months of ambient noise, recorded in a dense network of 26 seismometers deployed across Madeira, allowed reconstructing Rayleigh wave Green's functions between receivers. Dispersion analysis was performed in the short period band from 1.0 to 4.0 s. Group velocity measurements were regionalized to obtain 20 tomographic images, with a lateral resolution of 2.0 km in central Madeira. Afterwards, the dispersion curves, extracted from each cell of the 2D group velocity maps, were inverted as a function of depth to obtain a 3D shear wave velocity model of the upper crust, from the surface to a depth of 2.0 km. The obtained 3D velocity model reveals features throughout the island that correlates well with surface geology and island evolution. (C) 2015 Elsevier B.V. All rights reserved.pt_PT
dc.identifier.citationMATOS, Catarina; [et al.] - Upper crustal structure of Madeira Island revealed from ambient noise tomography. Journal of Volcanology and Geothermal Research. ISSN. 0377-0273. Vol. 298 (2015), pp. 136-145pt_PT
dc.identifier.doi10.1016/j.jvolgeores.2015.03.017pt_PT
dc.identifier.issn0377-0273
dc.identifier.issn1872-6097
dc.identifier.urihttp://hdl.handle.net/10400.21/5925
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherELSEVIER SCIENCE BVpt_PT
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0377027315000931pt_PT
dc.subjectMadeira islandpt_PT
dc.subjectVolcanic rift zonept_PT
dc.subjectCrustal structurept_PT
dc.subjectAmbient noise tomographypt_PT
dc.titleUpper crustal structure of Madeira Island revealed from ambient noise tomographypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage145pt_PT
oaire.citation.startPage136pt_PT
oaire.citation.volume298pt_PT
person.familyNameSilveira
person.familyNameDias
person.givenNameGraça
person.givenNameNuno
person.identifier91922
person.identifier1348964
person.identifier.ciencia-id1116-1080-16F3
person.identifier.ciencia-idDB10-5086-2205
person.identifier.orcid0000-0002-2110-2554
person.identifier.orcid0000-0001-7672-4476
person.identifier.ridA-3081-2009
person.identifier.ridB-2778-2008
person.identifier.scopus-author-id6602698071
person.identifier.scopus-author-id56640885300
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd4ff725a-b30b-4acb-906d-b60530a4994f
relation.isAuthorOfPublicationd7e4c7da-29b6-439f-ab4a-f5d94c1d7ca5
relation.isAuthorOfPublication.latestForDiscoveryd4ff725a-b30b-4acb-906d-b60530a4994f

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