Parameter estimation for subsoil modelling via seismic refraction

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dc.contributor.advisorQuintero Montoya, Olga Lucíaspa
dc.contributor.authorBoada Sanabria, Bibiana Esperanza
dc.coverage.spatialMedellín de: Lat: 06 15 00 N degrees minutes Lat: 6.2500 decimal degrees Long: 075 36 00 W degrees minutes Long: -75.6000 decimal degreeseng
dc.creator.degreeMagíster en Matemáticas Aplicadasspa
dc.creator.emailbboadas@eafit.edu.cospa
dc.date.accessioned2019-09-25T14:42:57Z
dc.date.available2019-09-25T14:42:57Z
dc.date.issued2019
dc.description.abstractFor mining exploration in geologically complex zones, there are several techniques, including seismic refraction, which studies the propagation of artificially produced seismic waves, establishing its relationship with the geological configuration of the subsoil. One of these techniques is the Generalized Reciprocal Method (GRM), which has been proposed for the reconstruction of subsurface structures with lateral velocity variations. This method depends on several parameters, mainly on a single parameter called the optimal distance of XY . This optimal value of XY presents uncertainties when this is determined. A good estimate of this parameter determines a good characterization of the subsoil, determining other parameters such as velocity and depth of layers in the media. A good determination of GRM parameters also permits recognition and definition of near-surface irregularities. In this paper, we proposed a robust mathematical form to find the optimal value of XY looking for the functional average curve that looks for the curve that remains for more time in the center of the set of curves. Obtaining the curve of the median corresponding to one of the velocity functions with optimal XY values, we obtain the optimal robust XY value in order to reduce the uncertainties in such a way that a better delineation of the subsurface structures is achieved, with a good approximation, through obtaining the average velocity and depth of layers.eng
dc.identifier.ddc553 B662
dc.identifier.urihttp://hdl.handle.net/10784/13873
dc.language.isospaspa
dc.publisherUniversidad EAFITspa
dc.publisher.departmentEscuela de Ciencias. Departamento de Ciencias Básicasspa
dc.publisher.placeMedellínspa
dc.publisher.programMaestría en Matemáticas Aplicadasspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesseng
dc.rights.localAcceso abiertospa
dc.subjectExploración mineraspa
dc.subject.keywordMining explorationeng
dc.subject.keywordGeneralized Reciprocal Method (GRM)eng
dc.subject.keywordRobust mathematicaleng
dc.subject.keywordOptimal XY valueeng
dc.subject.lembPROSPECCIÓNspa
dc.subject.lembOPTIMIZACIÓN MATEMÁTICAspa
dc.subject.lembREFRACCIÓNspa
dc.subject.lembCURVAS DE FRECUENCIAspa
dc.titleParameter estimation for subsoil modelling via seismic refractioneng
dc.typemasterThesiseng
dc.typeinfo:eu-repo/semantics/masterThesiseng
dc.type.hasVersionacceptedVersioneng
dc.type.localTesis de Maestríaspa

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