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dc.contributor.authorMonachesi, Leonardo Bruno-
dc.contributor.authorZyserman, Fabio Iván-
dc.contributor.authorJouniaux, Laurence-
dc.date.accessioned2020-09-11T13:26:30Z-
dc.date.available2020-09-11T13:26:30Z-
dc.date.issued2018-
dc.identifier.citationMonachesi, Leonardo Bruno., Zyserman, Fabio Ivan., Jouniaux, L. (2018) An analytical solution to assess the SH seismoelectric response of the vadose zone. Wiley Blackwell Publishing, Inc; Geophysical Journal International; 213 (3); 1999-2019es_ES
dc.identifier.issn0956-540Xes_ES
dc.identifier.urihttp://rid.unrn.edu.ar/handle/20.500.12049/5803-
dc.description.abstractWe derive an analytical solution of the seismoelectric conversions generated in the vadose zone, when this region is crossed by a pure shear horizontal (SH) wave. Seismoelectric conversions are induced by electrokinetic effects linked to relative motions between fluid and porous media. The considered model assumes a 1D soil constituted by a single layer on top of a half-space in contact at the water table, and a shearing force located at the earth?s surface as the wave source. The water table is an interface expected to induce a seismoelectric interfacial response (IR). The top layer represents a porous rock in which porous space is partially saturated by water and air, while the half-space is completely saturated with water, representing the saturated zone. The analytical expressions for the coseismic fields and the interface responses, both electric and magnetic, are derived by solving Pride?s equations with proper boundary conditions. An approximate analytical expression of the solution is also obtained, which is very simple and applicable in a fairly broad set of situations. Hypothetical scenarios are proposed to study and analyse the dependence of the electromagnetic fields on various parameters of the medium. An analysis of the approximate solution is also made together with a comparison to the exact solution. The main result of the present analysis is that the amplitude of the interface response generated at the water table is found to be proportional to the jump in the electric current density, which in turn depends on the saturation contrast, poro-mechanical and electrical properties of the medium and on the amplitude of the solid displacement produced by the source. This result is in agreement with the one numerically obtained by the authors, which has been published in a recent work. We also predict the existence of an interface response located at the surface, and that the electric interface response is several orders of magnitude bigger than the electric coseismic field, whereas it is the opposite using compressional waves as shown by theoretical and experimental results. This fact should encourage the performance of field and laboratory tests to check the viability of SHTE seismoelectrics as a near surface prospecting/monitoring tool.es_ES
dc.format.extentp. 1999-2019es_ES
dc.format.mediumdigitales_ES
dc.language.isoenes_ES
dc.publisherWiley Blackwell Publishing, Inces_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/-
dc.titleAn analytical solution to assess the SH seismoelectric response of the vadose zonees_ES
dc.typeArticuloes_ES
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)-
dc.description.filiationMonachesi, Leonardo. Universidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología. Río Negro, Argentina.es_ES
dc.description.filiationZyserman, Fabio. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina.es_ES
dc.description.filiationJouniaux, Laurence. Université de Strasbourg; Franciaes_ES
dc.description.filiationMonachesi, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.es_ES
dc.description.filiationZyserman, Fabio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina.es_ES
dc.subject.keywordElectrical Propertieses_ES
dc.subject.keywordHydrogeophysicses_ES
dc.subject.keywordPermeability And Porosityes_ES
dc.subject.keywordWave Propagationes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
dc.subject.materiaCiencias Exactas y Naturaleses_ES
dc.origin.lugarDesarrolloUniversidad Nacional de Río Negro. Instituto de Investigación en Paleobiología y Geología.es_ES
dc.relation.journalissue213 (3)es_ES
dc.description.reviewtruees_ES
dc.description.resumen-es_ES
dc.identifier.doihttps://doi.org/10.1093/gji/ggy101-
dc.relation.journalTitleGeophysical Journal Internationales_ES
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