<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0016-7169</journal-id>
<journal-title><![CDATA[Geofísica internacional]]></journal-title>
<abbrev-journal-title><![CDATA[Geofís. Intl]]></abbrev-journal-title>
<issn>0016-7169</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geofísica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-71692016000200119</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparative analyzes among electrical resistivity tomography arrays in the characterization of flow structure in free aquifer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[César Augusto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montenegro Lapola]]></surname>
<given-names><![CDATA[Marcelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrara]]></surname>
<given-names><![CDATA[Alan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Geology Department  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Graduation in Physics  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Univ. Estadual Paulista, UNESP  ]]></institution>
<addr-line><![CDATA[ São Paulo]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>55</volume>
<numero>2</numero>
<fpage>119</fpage>
<lpage>129</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692016000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692016000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692016000200119&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract : This paper makes a comparative analysis between the Dipole-dipole, Wenner and Schlumberger arrays through electric resistivity tomography (ERT), about the sensitivity and resolution in the spatial characterization of infiltrating pollutants in septic tank and cone of depression in supply well, both contained in unconfined aquifer. Data acquisition consisted of electrical resistivity rea- dings using five parallel lines with 105m long, electrode spacing and lines of 5m. The data from each line were subjected to 2D inversion and then interpolated to generate 3D blocks, which were extracted from a fixed resistivity isosurface (620 &#937;.m), which enabled the modeling of volumes related to the flow structures. The results for the Dipole-dipole array allowed the modeling of the cylindrical structure associated to the supply well, and an isosurface deformation associated to the septic tank, but did not allow the modeling of the plume. The data for the Schlumberger array cannot allow for the cone recognition, but resulted in a drop shape model, associated to the septic tank and similar to a contamination plume. The Wenner array resulted in a model with structure in elongated keel format associated to the cone of depression, and another that is similar to the drop shape model, also associated to the septic tank. The comparative analysis shows that the Dipole-dipole array is recommended in works of modeling vertically integrated three- dimensional structures of high resistivity in the saturated zone. The Wenner and Schlumberger arrays are recommended for modeling vertically integrated three-dimensional structures of low resistivity in unsaturated zone, with emphasis on the Schlumberger array.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En este trabajo se hace un análisis comparati- vo entre los arreglos Dipolo-dipolo, Wenner e Schlumberger por medio de pruebas de Tomo- grafía de Resistividad Eléctrica (TRE), como la sensibilidad y la resolución en la caracterización espacial de la infiltración de contaminantes en un tanque séptico y cono de depresión en el pozo de captación de agua; ambos contenidos en acuífero libre. La adquisición de datos consistió en lecturas de resistividad utilizando cinco líneas paralelas con 105 m de largo espaciado, 5 m entre los electrodos y líneas. Los datos de cada línea se sometieron a la inversión 2D, posteriormente interpolado para la generación de bloques 3D, de la cual se extrajo una isosuperficie de resistividad fija (620 &#937;.m), lo que permitió el modelado de las estructuras de volúmenes de flujo relacionados. Los resultados para el arreglo Dipolo-dipolo permite el modelado de la estructura asociada con el eje cilíndrico, y un isosurface de la cavidad asociada con la deformación, pero que no permitirá que el modelado de la pluma. Los datos para la disposición Schlumberger no pueden ser reconocidos cono, pero dieron lugar a un modelo de forma de lágrima asociado con el tanque séptico, como una pluma de contaminación. El arreglo Wenner resultó en un modelo con estructura en formato de quilla alargado asociado con el cono de depresión, y uno en formato caída similar también asociado con el tanque séptico. El análisis comparativo muestra que la disposición Dipolo-dipolo se recomienda en las obras de modelado de estructuras tridimensionales de alta resistividad verticales en la zona saturada. La disposición Wenner y Schlumberger se recomiendan en estructuras de modelado en tres dimensiones verticales de baja resistividad en zona no saturada, con énfasis en la disposición Schlumberger.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dipolo-dipolo]]></kwd>
<kwd lng="es"><![CDATA[Schlumberger]]></kwd>
<kwd lng="es"><![CDATA[Wenner]]></kwd>
<kwd lng="es"><![CDATA[pluma de contaminación]]></kwd>
<kwd lng="es"><![CDATA[cono de depresión]]></kwd>
<kwd lng="en"><![CDATA[Dipole-dipole]]></kwd>
<kwd lng="en"><![CDATA[Schlumberger]]></kwd>
<kwd lng="en"><![CDATA[Wenner]]></kwd>
<kwd lng="en"><![CDATA[contamination plume]]></kwd>
<kwd lng="en"><![CDATA[cone of depression]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effectiveness of 3D geoelectrical resistivity imaging using parallel 2D profiles]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aizebeokhai]]></surname>
<given-names><![CDATA[A.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Olayinka]]></surname>
<given-names><![CDATA[A.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[V.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Uhuegbu]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[International Journal of the Physical Sciences]]></source>
<year>2011</year>
<volume>6</volume>
<page-range>5623-47</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Structural pattern of subsidence in an urban area of the southeastern Mexico Basin inferred from electrical resistivity tomography]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arango-Galván]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Torre-González]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez- Segura]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Tejero-Andrade]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cifuentes- Nava]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Quintero]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2011</year>
<volume>50</volume>
<page-range>401-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Groundwater resources assess- ment - Developments in water]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balek]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Science]]></source>
<year>1989</year>
<volume>38</volume>
<page-range>251</page-range><publisher-loc><![CDATA[Praga ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Characterization of a leachate contaminated site integrating geophysical and hydrogeological information]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Belmonte-Jiménez]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Jimenez-Castañeda]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Flores]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Campos-Enríquez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-López]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar-Peña]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2012</year>
<volume>51</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>309-21</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Electrical resistivity tomography applied to geologic, hydrogeologic, and engineering investigations at a former waste-disposal site]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chambers]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuras]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Meldrum]]></surname>
<given-names><![CDATA[P.I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ogilvy]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hollands]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geophysics]]></source>
<year>2006</year>
<volume>71</volume>
<page-range>231-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Application of soil electrical conductivity to precision agriculture: theory, principles, and guidelines]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corwin]]></surname>
<given-names><![CDATA[D.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lesch]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agronomy Journal]]></source>
<year>2003</year>
<volume>95</volume>
<page-range>455- 471</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Short note on electrode charge- up effects in DC resistivity data acquisition using multi-electrode arrays]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dahlin]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geophysical Prospecting]]></source>
<year>2000</year>
<volume>48</volume>
<page-range>181-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Joint interpretation of geoelectrical and volatile organic compounds data: a case study in a hydrocarbons contaminated urban site]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delgado-Rodríguez]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Hernández]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Amezcua-Allieri]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Shevnin]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosas- Molina]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Marín-Córdova]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2014</year>
<volume>53</volume>
<page-range>183-98</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Using subsurface geophysical methods in flood control: A resistivity survey to define underground storage capacity of a sand body in Ciudad Juárez, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dena]]></surname>
<given-names><![CDATA[O.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Griselda Obeso]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Doser]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Leyva]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Rascon]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2012</year>
<volume>51</volume>
<page-range>225-49</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<collab>Departamento de Águas e Energia Elétrica do Estado de São Paulo - DAEE</collab>
<source><![CDATA[Estudos de águas subterrâneas, Região Administrativa 5 - Campinas]]></source>
<year>1981</year>
<page-range>607</page-range><publisher-loc><![CDATA[São Paulo ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Impact of heavy grondwater pumping on hydrogeological conditions in Lybia: Past and present development and future prognosis on a regional scale]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elgzeli]]></surname>
<given-names><![CDATA[Y.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ondovc&#780;in]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Zbyne&#780;k]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Jir&#780;i]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Jir&#780;i]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Acta Geologica Polonica]]></source>
<year>2013</year>
<volume>63</volume>
<page-range>283-96</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fitts]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Groundwater Science]]></source>
<year>2002</year>
<page-range>450</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A sensitivity analysis of electrical resistivity tomography array types using analytical element modeling]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Furman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferre]]></surname>
<given-names><![CDATA[T.P.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Warrick]]></surname>
<given-names><![CDATA[A.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vadose Zone Journal]]></source>
<year>2003</year>
<volume>2</volume>
<page-range>416-23</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Two- dimensional resistivity imaging and modeling in areas of complex geology]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Griffiths]]></surname>
<given-names><![CDATA[D.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Applied Geophysics]]></source>
<year>1993</year>
<volume>29</volume>
<page-range>211-26</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Soriano]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental risk assessment of soil contamination]]></source>
<year>2014</year>
<page-range>905</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[InTech]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hiscock]]></surname>
<given-names><![CDATA[K.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hydrogeology: principles and practice]]></source>
<year>2005</year>
<page-range>405</page-range><publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Blackwell Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[König]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiss]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Groundwater: modelling, management, and contamination]]></source>
<year>2009</year>
<page-range>422</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Nova Science Publishers Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knödel]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lange]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Voigt]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental geology: handbook of field's methods and case studies]]></source>
<year>2007</year>
<page-range>1374</page-range><publisher-loc><![CDATA[Hannover ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lehr]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Hyman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gass]]></surname>
<given-names><![CDATA[T.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Servers]]></surname>
<given-names><![CDATA[W.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of complex environmental remediation problems]]></source>
<year>2001</year>
<page-range>606</page-range><publisher-name><![CDATA[McGraw-Hill Handbooks]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Rapid least- squares inversion of apparent resistivity pseudosections by quasi-Newton method]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loke]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Baker]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geophysical Prospecting]]></source>
<year>1996</year>
<volume>44</volume>
<page-range>131-52</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lowrie]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentals of Geophysics]]></source>
<year>2007</year>
<page-range>393</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Fácies Sedimentares da Formação Rio Claro, Neocenozóico da Depressão Periférica Paulista]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Melo]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Coimbra]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuchierato]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista IG]]></source>
<year>1997</year>
<volume>18</volume>
<page-range>49-63</page-range><publisher-loc><![CDATA[São Paulo ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<collab>Ministry of Mines and Energy</collab>
<source><![CDATA[Brazilian Energy Balance - final report]]></source>
<year>2013</year>
<page-range>284</page-range><publisher-loc><![CDATA[Brasilia ]]></publisher-loc>
<publisher-name><![CDATA[Empresa de Pesquisas Energéticas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Aplicação da técnica de caminhamento elétrico em área contaminada por derivados de petróleo]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dourado]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Braga]]></surname>
<given-names><![CDATA[A.C.O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Brazilian Journal of Geophysics]]></source>
<year>2006</year>
<volume>24</volume>
<page-range>383-92</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Geoelectrical prospection of disseminated sulfide mineral occurrences in Camaquã sedimentary basin, Rio Grande do Sul state, Brazil]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Schweig]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Seixas]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Brazilian Journal of Geophysics]]></source>
<year>2012</year>
<volume>30</volume>
<page-range>169-79</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moon]]></surname>
<given-names><![CDATA[C.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Whateley]]></surname>
<given-names><![CDATA[M.K.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction of mineral exploration]]></source>
<year>2006</year>
<edition>2°</edition>
<page-range>499</page-range><publisher-loc><![CDATA[Malden ]]></publisher-loc>
<publisher-name><![CDATA[Blackwell Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mussett]]></surname>
<given-names><![CDATA[A.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Looking into the Earth: an introduction to geological geophysics]]></source>
<year>2000</year>
<page-range>493</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nemerow]]></surname>
<given-names><![CDATA[N.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Agardy]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sullivan]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Salvato]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental Engineering: prevention and response to water, food, and air-borne disease and illness]]></source>
<year>2009</year>
<edition>6°</edition>
<page-range>394</page-range><publisher-loc><![CDATA[New Jersey ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley & Sons]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Comparison of an optimized resistivity array with dipole-dipole soundings in karst terrain]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nyquist]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Peake]]></surname>
<given-names><![CDATA[J.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Roth]]></surname>
<given-names><![CDATA[M.J.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geophysics]]></source>
<year>2007</year>
<volume>72</volume>
<page-range>139-44</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Sensitivity and resolution capacity of Electrode configurations]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Okpoli]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[International Journal of Geophysics]]></source>
<year>2013</year>
<page-range>12</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Determinação da condutividade hidráulica da Formação Rio Claro: análise comparativa através de análise granulométrica e ensaios com permeâmetro guelph e testes de slug]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[H.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Caetano-Chang]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Aguas Subterrâneas]]></source>
<year>2005</year>
<volume>19</volume>
<page-range>1-17</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mapeamento do Lençol Freático no Município de Rio Claro (SP) Empregando a Técnica de Sondagem Elétrica Vertical]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[H.K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Brasileira de Geociências]]></source>
<year>2007</year>
<volume>26</volume>
<page-range>27-34</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peirce]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Weiner]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Vesilind]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental pollution and control]]></source>
<year>1998</year>
<edition>4°</edition>
<page-range>409</page-range><publisher-loc><![CDATA[Woburn ]]></publisher-loc>
<publisher-name><![CDATA[Butterworth-Heinemann]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sara]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Site assessment and remediation handbook]]></source>
<year>2003</year>
<edition>2°</edition>
<page-range>1161</page-range><publisher-loc><![CDATA[Florida ]]></publisher-loc>
<publisher-name><![CDATA[Lewis Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Modelling of lithology and hydraulic conductivity of shallow sediments from resistivity measurements using Schlumberger vertical electrical soundings]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salem]]></surname>
<given-names><![CDATA[H.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Energy Sources]]></source>
<year>2001</year>
<volume>23</volume>
<page-range>599-618</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Electrical Resistivity Imaging for Detecting Soil Cracking at the Centimetric Scale]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Samouëlian]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cousin]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Richard]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Tabbagh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruand]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil Science Society of America Journal]]></source>
<year>2003</year>
<volume>67</volume>
<page-range>1319-26</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The application of electrical methods in exploration for ground water resources in the River Malacatoya sub-basin, Nicaragua]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sequeira Gómez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Escolero Fuentes]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2010</year>
<volume>49</volume>
<page-range>27-41</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Twardowska]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[H.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Häggblom]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Soil and water pollution: monitoring, protection and remediation. Nato Science Series]]></source>
<year>2006</year>
<page-range>662</page-range><publisher-loc><![CDATA[Krakom ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Volcano-sedimentary stratigraphy in the Valsequillo Basin, Central Mexico inferred from electrical resistivity soundings]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urrutia-Fucugauchi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Trigo-Huesca]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Téllez- García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Cruz]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Méndez-Rivero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2014</year>
<volume>53</volume>
<page-range>87-94</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Three- dimensional spatial and temporal monitoring of soil water content using electrical resistivity tomography]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[Q.Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Shimada]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water Resources Research]]></source>
<year>2001</year>
<volume>37</volume>
<page-range>273-85</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
