<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282021000300007</article-id>
<article-id pub-id-type="doi">10.19136/era.a8n3.2901</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelación del agua subterránea en plantaciones de palma de aceite y pastizales mediante técnicas geofísicas]]></article-title>
<article-title xml:lang="en"><![CDATA[Modelation of groundwater in oil palm plantations and grasslands across geophysic Technics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-García]]></surname>
<given-names><![CDATA[María Dolores]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bolaina-Vazconcelos]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez-Hernández]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Damas-López]]></surname>
<given-names><![CDATA[Daniel Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Botello]]></surname>
<given-names><![CDATA[Maximiano Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Palacios]]></surname>
<given-names><![CDATA[Juan de Dios]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Hernández]]></surname>
<given-names><![CDATA[Rufo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Juárez Autónoma de Tabasco División Académica de Ciencias Básicas ]]></institution>
<addr-line><![CDATA[Cunduacán Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Juárez Autónoma de Tabasco División Académica de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282021000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282021000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282021000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se realizó una investigación durante la temporada de lluvias, con el objetivo de caracterizar mediante tomografía de resistividad eléctrica (TRE), la distribución del agua subterránea en tres áreas cultivadas con palma de aceite (Elaeis guineensis Jacq.) de 5, 11 y 25 años de edad, y se compararon con pastizales aledaños. En cada área se realizaron 5 perfiles con arreglo dipolo-dipolo en dirección NE-SO, que abarcaron 40 metros de pastizal y 80 metros dentro de las plantaciones, con separación electródica de 5 metros, y 20 metros entre perfiles. A través de un resistivímetro Syscal Junior de IRIS Instrument, se calculó la distribución de la resistividad eléctrica de un gran número de medidas de resistividad aparente del subsuelo, que permitió generar una imagen eléctrica que muestra la distribución de la resistividad verdadera del subsuelo. En cada línea se realizó la inversión de datos a través del software Res2Dinv, para generar un modelo 2D, donde se observa un patrón de resistividad eléctrica de mayor a menor según la profundidad del terreno, lo que supone la presencia arenas, limos, aluviones, arcillas y gravas en toda el área. El nivel de la zona saturada es más profundo en las plantaciones de palma con respecto al pastizal, particularmente en plantaciones de 25 años. A pesar de las lluvias de la temporada, la zona de saturación en el subsuelo es más profunda en plantaciones de palma de aceite que en pastizales, lo que sugiere que el cultivo abate más agua que los pastizales aledaños.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: A research was carried out during the rainy season, with the aim of characterizing through electrical resistivity tomography (ERT), the distribution of groundwater in three areas cultivated with oil palm (Elaeis guineensis Jacq.) of 5, 11 and 25 years old, and were compared respect to grassland adjacent. In each area, 5 profiles were made with a dipole-dipole arrangement in a NE-SO direction, covering 40 meters of grassland and 80 meters within the plantations, with electrodic separation of 5 meters, and 20 meters between profiles. Through an IRIS Instrument Syscal Junior resistivity meter, the distribution of electrical resistivity was calculated from a large number of measurements of subsoil apparent resistivities, that allowed to generate an electrical image that shows the distribution of the true resistivity of the subsoil. In each line, the data inversion was carried out through the Res2Dinv software, to generate a 2D model, where an electrical resistivity pattern is observed from highest to lowest depending on the depth of the ground, which implies the presence of sands, silts, alluvium, clays and gravel in throughout the area. The level of the saturated zone is deeper in oil palm plantations than in grasslands, particularly in plantations of 25 years old. It is concluded that, despite the seasonal rains, the saturation zone in the subsoil is deeper in oil palm plantations than in grasslands, which suggests that the crop can remove more water than the adjacent grasslands.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Elaeis guineensis Jacq.]]></kwd>
<kwd lng="es"><![CDATA[hidrología]]></kwd>
<kwd lng="es"><![CDATA[resistividad eléctrica]]></kwd>
<kwd lng="es"><![CDATA[sustentabilidad]]></kwd>
<kwd lng="es"><![CDATA[trópico húmedo]]></kwd>
<kwd lng="en"><![CDATA[Elaeis guineensis Jacq.]]></kwd>
<kwd lng="en"><![CDATA[hydrology]]></kwd>
<kwd lng="en"><![CDATA[electric resistivity]]></kwd>
<kwd lng="en"><![CDATA[sustainability]]></kwd>
<kwd lng="en"><![CDATA[humid tropic]]></kwd>
</kwd-group>
</article-meta>
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