The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study
Identifieur interne : 000831 ( Istex/Corpus ); précédent : 000830; suivant : 000832The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study
Auteurs : A. K. Agarwal ; H. W. DossoSource :
- Physics of the Earth and Planetary Interiors [ 0031-9201 ] ; 1993.
Abstract
The spatial dependence of the characteristic periods (Tc) of the induction arrows along a profile over a conductive plate-resistive host is investigated for two dimensional numerical models of a conductive plate of (i) semi-infinite and (ii) finite widths in uniform and layered resistive hosts. Induction arrows are computed for a large period range (2–25 600 s) at selected distances on either side of the conductive-resistive interface, and empirical curves for the characteristic period (period at which the quadrature induction arrow reverses sign) as a function of distance from the interface are presented. The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in Tc is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. The results show that the characteristic periods at sites along a profile over a 2-D conductive body could, in principle, be used to delineate the location of the conductive-resistive interface, and provide information on the dimensions, depth of burial, and the conductivity of the conductive body in a host earth if the conductivity of the host and substratum were known.
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DOI: 10.1016/0031-9201(93)90055-E
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V8W 3P6, Canada</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:05D1D7D0FA122AE5D479A09B0DAF99F6089C56F9</idno><date when="1993" year="1993">1993</date><idno type="doi">10.1016/0031-9201(93)90055-E</idno><idno type="url">https://api-v5.istex.fr/document/05D1D7D0FA122AE5D479A09B0DAF99F6089C56F9/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000831</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000831</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study</title><author><name sortKey="Agarwal, A K" sort="Agarwal, A K" uniqKey="Agarwal A" first="A. K." last="Agarwal">A. K. Agarwal</name><affiliation><mods:affiliation>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada</mods:affiliation></affiliation></author><author><name sortKey="Dosso, H W" sort="Dosso, H W" uniqKey="Dosso H" first="H. W." last="Dosso">H. W. Dosso</name><affiliation><mods:affiliation>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. 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Induction arrows are computed for a large period range (2–25 600 s) at selected distances on either side of the conductive-resistive interface, and empirical curves for the characteristic period (period at which the quadrature induction arrow reverses sign) as a function of distance from the interface are presented. The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in Tc is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. The results show that the characteristic periods at sites along a profile over a 2-D conductive body could, in principle, be used to delineate the location of the conductive-resistive interface, and provide information on the dimensions, depth of burial, and the conductivity of the conductive body in a host earth if the conductivity of the host and substratum were known.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>A.K. Agarwal</name><affiliations><json:string>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada</json:string></affiliations></json:item><json:item><name>H.W. 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The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in Tc is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. 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V8W 3P6, Canada</affiliation></author><author xml:id="author-0001"><persName><forename type="first">H.W.</forename><surname>Dosso</surname></persName><note type="correspondence"><p>Correspondence to: H.W. Dosso, Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada.</p></note><affiliation>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. 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Induction arrows are computed for a large period range (2–25 600 s) at selected distances on either side of the conductive-resistive interface, and empirical curves for the characteristic period (period at which the quadrature induction arrow reverses sign) as a function of distance from the interface are presented. The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in Tc is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. The results show that the characteristic periods at sites along a profile over a 2-D conductive body could, in principle, be used to delineate the location of the conductive-resistive interface, and provide information on the dimensions, depth of burial, and the conductivity of the conductive body in a host earth if the conductivity of the host and substratum were known.</p></abstract></profileDesc><revisionDesc><change when="1993">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api-v5.istex.fr/document/05D1D7D0FA122AE5D479A09B0DAF99F6089C56F9/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>PEPI</jid><aid>9390055E</aid><ce:pii>0031-9201(93)90055-E</ce:pii><ce:doi>10.1016/0031-9201(93)90055-E</ce:doi><ce:copyright type="unknown" year="1993"></ce:copyright></item-info><head><ce:title>The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study</ce:title><ce:author-group><ce:author><ce:given-name>A.K.</ce:given-name><ce:surname>Agarwal</ce:surname></ce:author><ce:author><ce:given-name>H.W.</ce:given-name><ce:surname>Dosso</ce:surname><ce:cross-ref refid="COR1"><ce:sup>∗</ce:sup></ce:cross-ref></ce:author><ce:affiliation><ce:textfn>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>∗</ce:label><ce:text>Correspondence to: H.W. Dosso, Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada.</ce:text></ce:correspondence></ce:author-group><ce:date-received day="13" month="4" year="1992"></ce:date-received><ce:date-accepted day="21" month="7" year="1992"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>The spatial dependence of the characteristic periods (<ce:italic>T</ce:italic><ce:inf>c</ce:inf>) of the induction arrows along a profile over a conductive plate-resistive host is investigated for two dimensional numerical models of a conductive plate of (i) semi-infinite and (ii) finite widths in uniform and layered resistive hosts. Induction arrows are computed for a large period range (2–25 600 s) at selected distances on either side of the conductive-resistive interface, and empirical curves for the characteristic period (period at which the quadrature induction arrow reverses sign) as a function of distance from the interface are presented. The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in <ce:italic>T</ce:italic><ce:inf>c</ce:inf> is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. The results show that the characteristic periods at sites along a profile over a 2-D conductive body could, in principle, be used to delineate the location of the conductive-resistive interface, and provide information on the dimensions, depth of burial, and the conductivity of the conductive body in a host earth if the conductivity of the host and substratum were known.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>The characteristic periods of the induction arrows for a conductive-resistive vertical interface—a numerical model study</title></titleInfo><name type="personal"><namePart type="given">A.K.</namePart><namePart type="family">Agarwal</namePart><affiliation>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.W.</namePart><namePart type="family">Dosso</namePart><affiliation>Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada</affiliation><description>Correspondence to: H.W. Dosso, Department of Physics and Astronomy and the School of Earth and Ocean Sciences, University of Victoria, Victoria, B.C. V8W 3P6, Canada.</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1993</dateIssued><copyrightDate encoding="w3cdtf">1993</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The spatial dependence of the characteristic periods (Tc) of the induction arrows along a profile over a conductive plate-resistive host is investigated for two dimensional numerical models of a conductive plate of (i) semi-infinite and (ii) finite widths in uniform and layered resistive hosts. Induction arrows are computed for a large period range (2–25 600 s) at selected distances on either side of the conductive-resistive interface, and empirical curves for the characteristic period (period at which the quadrature induction arrow reverses sign) as a function of distance from the interface are presented. The characteristic period is seen to have a minimum value at the interface and then to increase with distance from the interface both over the conductive plate and the resistive host. The characteristic period at a given point on either side of the interface is also seen to increase with increasing depth of the conductive substratum. For the case of a finite width plate, a minimum in Tc is observed at both plate boundaries. The characteristic periods at the interface, and at points on either side of the interface, are found generally to depend on the conductivities of the plate and host, the depth of burial and dimensions of the plate, and the depth of the conductive substratum. The results show that the characteristic periods at sites along a profile over a 2-D conductive body could, in principle, be used to delineate the location of the conductive-resistive interface, and provide information on the dimensions, depth of burial, and the conductivity of the conductive body in a host earth if the conductivity of the host and substratum were known.</abstract><relatedItem type="host"><titleInfo><title>Physics of the Earth and Planetary Interiors</title></titleInfo><titleInfo type="abbreviated"><title>PEPI</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">199302</dateIssued></originInfo><identifier type="ISSN">0031-9201</identifier><identifier type="PII">S0031-9201(00)X0156-2</identifier><part><date>199302</date><detail type="volume"><number>76</number><caption>vol.</caption></detail><detail type="issue"><number>1–2</number><caption>no.</caption></detail><extent unit="issue pages"><start>1</start><end>178</end></extent><extent unit="pages"><start>67</start><end>74</end></extent></part></relatedItem><identifier type="istex">05D1D7D0FA122AE5D479A09B0DAF99F6089C56F9</identifier><identifier type="DOI">10.1016/0031-9201(93)90055-E</identifier><identifier type="PII">0031-9201(93)90055-E</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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