<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992023000100123</article-id>
<article-id pub-id-type="doi">10.20937/rica.54222</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Zonificación de la capacidad protectora y vulnerabilidad a la contaminación del acuífero de Texcoco, Estado de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Zoning of protective capacity and vulnerability to contamination of Texcoco aquifer, State of Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Castro]]></surname>
<given-names><![CDATA[Ma. de Lourdes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Gutiérrez]]></surname>
<given-names><![CDATA[Lázaro Raymundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-García]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Ramírez]]></surname>
<given-names><![CDATA[Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana Unidad Lerma  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>39</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992023000100123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992023000100123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992023000100123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El estudio consistió en estimar la capacidad protectora y vulnerabilidad intrínseca natural del acuífero de Texcoco, mediante la combinación del método Índice de Vulnerabilidad del Acuífero (AVI, por su sigla en inglés) y el parámetro geoeléctrico de Dar Zarrouk (conductancia longitudinal unitaria, S). El acuífero de Texcoco, constituido por materiales lacustres, aluviales y depósitos volcánicos, se localiza al oriente del Valle de México. Se realizaron 87 sondeos eléctricos verticales Schlumberger (SEV) distribuidos en la zona del acuífero. Los datos de los SEV en campo se adquirieron con un resistivímetro Terrameter SAS-300B con abertura de electrodos de corriente de 750 m a ambos lados de un centro común y se interpretaron con el programa de computadora IX1D de Interpex. La conductancia longitudinal unitaria se obtuvo a partir de la inversión de los datos de campo y se elaboraron mapas de contornos con el método kriging y de mínima curvatura en Surfer V16. El espesor de la capa superior de la zona no saturada varía entre 0.3 y 10.5 m. La conductancia longitudinal de la capa superior presenta valores de 0.0 a 75 Siemens/m. El nivel del agua subterránea en el acuífero presenta una elevación de 2140 msnm en la zona centro sur y 2290 msnm en las estribaciones de la Sierra de Río Frío. Con el método AVI, a partir de los datos de la conductividad hidráulica, K  v (m/d) y el espesor h (m) de la zona no saturada, se obtuvieron valores de la resistencia hidráulica C = 1.4 a 3.9 días. Los resultados obtenidos son de interés para las autoridades municipales en la planeación y toma de decisiones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This study estimated the protective capacity and natural intrinsic vulnerability of the Texcoco aquifer combining the Aquifer Vulnerability Index method (AVI) and the Dar Zarrouk geoelectric parameter (unitary longitudinal conductance, S). Lacustrine deposits, alluvial materials, and stratified volcanic deposits form the Texcoco aquifer. It is located in the east of the Valley of Mexico. Eighty-seven (87) Schlumberger vertical electric sounding (VES) were made and distributed in different profiles in the aquifer area. The VES data were collected in the field with a Terrameter SAS-300B resistivity meter with 750 m current electrode opening on both sides of a common center and interpreted with the Interpex IX1D software. The longitudinal conductance was obtained from the process of inversion of the data, and maps were elaborated with the kriging method and minimum curvature in Surfer V16. The thickness of the upper layer of the unsaturated zone varies between 0.3 and 10.5 m. The longitudinal conductance of the upper layer presents values from 0.0 to 75 Siemens/m. The groundwater level in the aquifer has an elevation of 2140 m asl in the south-central zone of the study area to 2290 m asl in the foothills of the Sierra de Río Frío. The AVI method allows us to correlate the hydraulic conductivity Kv (m/d) data and the thickness h (m) of the unsaturated zone to determine values of the hydraulic resistance C = 1.4 to 3.9 days. The obtained results are of interest to the municipal authorities in planning and deciding to preserve the underground water resource.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[conductancia longitudinal]]></kwd>
<kwd lng="es"><![CDATA[Dar Zarrouk]]></kwd>
<kwd lng="es"><![CDATA[estudio geoeléctrico]]></kwd>
<kwd lng="es"><![CDATA[método AVI]]></kwd>
<kwd lng="en"><![CDATA[longitudinal conductance]]></kwd>
<kwd lng="en"><![CDATA[Dar Zarrouk]]></kwd>
<kwd lng="en"><![CDATA[geoelectric study]]></kwd>
<kwd lng="en"><![CDATA[AVI method]]></kwd>
</kwd-group>
</article-meta>
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