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On amplitude information carried by the ambient seismic field

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dc.creatorPrieto, German A.
dc.creatorDenolle, Marinespa
dc.creatorLawrence,Jessespa
dc.creatorBeroza,Gregory C.spa
dc.date.accessioned2020-08-06T16:20:21Z
dc.date.available2020-08-06T16:20:21Z
dc.date.created2011-06-30spa
dc.description.abstractThe use of the ambient seismic field (ASF) to extract Earth’s response has received significant attention in the last several years. Multiple studies demonstrate the utility of the ASF for estimating high-resolution velocity models in various locations. In this paper, we discuss the amplitude information carried by the ASF. Amplitude information includes both amplification effects due to elastic structure, such as low velocity sedimentary basins, and attenuation effects in the crust and upper mantle or even in buildings. As has been suggested by other authors, amplitude measurements may be biased due to nonuniformities in ambient field excitation; however, we find very similar and stable results for different time intervals for both amplification and attenuation, suggesting that this bias may not be as large as feared. We conclude that valuable amplitude information can be recovered from the ASF through careful processing. Amplitude measurements may be particularly valuable due to the enhanced sensitivity of attenuation to fluids and/or temperature fluctuations. 2011 Acade´mie des sciences. Published by Elsevier Masson SAS. All rights reservedeng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1016/j.crte.2011.03.006
dc.identifier.issnISSN: 1631-0713
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/25969
dc.language.isoengspa
dc.publisherElsevierspa
dc.relation.citationEndPage614
dc.relation.citationIssueNo. 8–9
dc.relation.citationStartPage600
dc.relation.citationTitleComptes Rendus - Geoscience
dc.relation.citationVolumeVol. 343
dc.relation.ispartofComptes Rendus - Geoscience, ISSN:1631-0713, Vol.343, No.8–9 (2011); pp.600-614spa
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1631071311000976spa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccess
dc.rights.accesoAbierto (Texto Completo)spa
dc.sourceComptes Rendus - Geosciencespa
dc.source.instnameinstname:Universidad del Rosario
dc.source.reponamereponame:Repositorio Institucional EdocUR
dc.subject.keywordAmplificationspa
dc.subject.keywordAttenuationspa
dc.subject.keywordCoherenceTransferspa
dc.subject.keywordFunctions Ambientspa
dc.subject.keywordSeismic fieldspa
dc.titleOn amplitude information carried by the ambient seismic fieldspa
dc.title.TranslatedTitleÀ propos de l'information sur l'amplitude, apportée par le champ sismique ambiantfre
dc.title.TranslatedTitleSobre la información de amplitud transmitida por el campo sísmico ambientalspa
dc.typearticleeng
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion
dc.type.spaArtículospa
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