<?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>S0188-49992018000400667</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.04.09</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[EL ACUÍFERO YUCATECO. ANÁLISIS DEL RIESGO DE CONTAMINACIÓN CON APOYO DE UN SISTEMA DE INFORMACIÓN GEOGRÁFICA]]></article-title>
<article-title xml:lang="en"><![CDATA[THE YUCATÁN AQUIFER. ANALYSIS OF THE RISK OF CONTAMINATION WITH SUPPORT OF A GEOGRAPHIC INFORMATION SYSTEM]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Herrera]]></surname>
<given-names><![CDATA[Roger Amílcar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albornoz Euán]]></surname>
<given-names><![CDATA[Beth Sua Iztaccíhuatl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez y Pinto]]></surname>
<given-names><![CDATA[Ismael Abelardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osorio Rodríguez]]></surname>
<given-names><![CDATA[José Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>34</volume>
<numero>4</numero>
<fpage>667</fpage>
<lpage>683</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000400667&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000400667&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000400667&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El agua subterránea en Yucatán es la principal fuente de abastecimiento de este líquido; sin embargo, la alta permeabilidad del material geológico hace que el acuífero sea vulnerable a la contaminación. El riesgo de contaminación de acuíferos puede determinarse considerando la interacción entre las cargas contaminantes subsuperficiales y la vulnerabilidad del acuífero. El objetivo de este trabajo fue aplicar un método desarrollado para evaluar el riesgo de contaminación de aguas subterráneas que proporcione información de zonas potencialmente amenazadas. Para el análisis de riesgo se realizó un inventario de las fuentes contaminantes y se calcularon los índices de peligrosidad y de riesgo siguiendo el método del Grupo COST Action 620. Se crearon los mapas de peligrosidad y riesgo utilizando un sistema de información geográfica. Se modeló la vulnerabilidad a la contaminación del agua subterránea mediante una modificación del índice DRASTIC. El índice aplicado fue el DRSTIL (por sus siglas en inglés) donde D es la profundidad del agua, R la recarga, S el suelo, T la topografía, I el impacto a la zona vadosa y L el uso del suelo. Los resultados indicaron que la vulnerabilidad a la contaminación del agua subterránea evaluada con el índice DRSTIL muestra una diferenciación más conservadora en comparación con otros estudios similares realizados en el área de estudio. La clase de vulnerabilidad moderada ocupa la mayor extensión. Las zonas de alta peligrosidad y zonas de alto riesgo se encuentran ubicadas principalmente en la zona metropolitana de Mérida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Groundwater in Yucatán is the main source of water supply; however, the high permeability of the geological material makes the aquifer vulnerable to contamination. The risk of aquifer contamination can be determined by considering the interaction between subsurface contaminant loads and the aquifer vulnerability. The objective of this work was to apply a methodology developed to evaluate the risk of groundwater contamination that provides information of potentially threatened areas. For the risk analysis, an inventory of contaminant sources was carried out and the hazard and risk indexes were calculated following the methodology of the COST Action 620 Group. Hazard and risk maps were created using a geographic information system. Vulnerability to groundwater contamination was modeled by a modification of the DRASTIC index. The index applied was DRSTIL where D is water depth, R is recharge, S is soil, T is topography, I is impact to the vadose zone and L is land use. The results indicated that the vulnerability to groundwater contamination, evaluated with the DRSTIL index, shows a more conservative differentiation when compared to similar studies carried out in the study area. The moderate vulnerability class occupies the greatest extent. Areas of high danger and areas of high risk are located mainly in the metropolitan area of Mérida.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agua subterránea]]></kwd>
<kwd lng="es"><![CDATA[peligro]]></kwd>
<kwd lng="es"><![CDATA[vulnerabilidad]]></kwd>
<kwd lng="es"><![CDATA[COST Action 620]]></kwd>
<kwd lng="es"><![CDATA[DRSTIL]]></kwd>
<kwd lng="es"><![CDATA[Yucatán]]></kwd>
<kwd lng="en"><![CDATA[groundwater]]></kwd>
<kwd lng="en"><![CDATA[hazards]]></kwd>
<kwd lng="en"><![CDATA[risk]]></kwd>
<kwd lng="en"><![CDATA[vulnerability]]></kwd>
<kwd lng="en"><![CDATA[COST Action 620]]></kwd>
<kwd lng="en"><![CDATA[DRSTIL]]></kwd>
</kwd-group>
</article-meta>
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