Marine effects on vertical electrical soundings along shorelines

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dc.authoridUlugergerli, Emin Ugur/0000-0001-5639-1109
dc.contributor.authorUlugergerli, Emin Ugur
dc.date.accessioned2025-01-27T20:55:45Z
dc.date.available2025-01-27T20:55:45Z
dc.date.issued2017
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractOnshore applications of direct current resistivity (DCR) along shorelines suffer a short-circuit-like phenomenon due to electrical current flowing through a more conductive body of water rather than ground. Our study of the numerical simulation of DCR data with a three-dimensional forward model demonstrated that the apparent resistivity was reduced as a function of the sea depth and the distance of measurement site to the shoreline. Furthermore, it was concluded that the marine effects on DCR data (i.e. reduction in apparent resistivity) become nonnegligible as the ratio of half-electrode expansion (AB/ 2) to the distance to the shoreline is larger than one. The reduction in apparent resistivity reaches its highest levels as the ratio approaches ten. Our survey conducted along the coastal line of Northwest Turkey clearly showed that if the marine effects are left untreated, one-or two-dimensional inversion yields incorrect resistivities for underlying units and therefore undermines the credibility of survey results. In the paper suggestions are made to handle such situations.
dc.identifier.doi10.3906/yer-1610-10
dc.identifier.endpage72
dc.identifier.issn1300-0985
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85010430628
dc.identifier.scopusqualityQ2
dc.identifier.startpage57
dc.identifier.trdizinid244241
dc.identifier.urihttps://doi.org/10.3906/yer-1610-10
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/244241
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26159
dc.identifier.volume26
dc.identifier.wosWOS:000396337800003
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Earth Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectOnshore
dc.subjectdirect current resistivity
dc.subjectDCR
dc.subject2.5D inversion
dc.subjectelectrical sounding
dc.subjectmarine effects
dc.titleMarine effects on vertical electrical soundings along shorelines
dc.typeArticle

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