<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222016000100045</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Validación de un modelo para estimar la extension del bulbo de humedecimiento del suelo con riego por goteo]]></article-title>
<article-title xml:lang="en"><![CDATA[Validation of a Model to Estimate the Wet Bulb Dimensions in Drip Irrigation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Bautista]]></surname>
<given-names><![CDATA[Fidencio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zermeño-González]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Reyna]]></surname>
<given-names><![CDATA[Vicente]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cano-Ríos]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera-González]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Siller-González]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sonora Departamento de Agricultura y Ganadería ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,INIFAP Centro Nacional de Investigación Disciplinaria en Relación Agua, Suelo, Planta, Atmosfera ]]></institution>
<addr-line><![CDATA[Gómez Palacio Durango]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación y de Estudios Avanzados ]]></institution>
<addr-line><![CDATA[Zapopan Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<fpage>45</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222016000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222016000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222016000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se evaluó la capacidad de un modelo experimental para simular el avance del agua en el bulbo de humedecimiento. La finalidad fue verificar su confiabilidad para su uso en el diseño y operación de los sistemas de riego por goteo. Como referencia se emplearon los modelos de Schwartzman y Zur, Amin y Ekhmaj, Kandelous, Liaghat y Abbasi, y para la evaluación se realizaron mediciones de campo. La comparación estadística se hizo con los coeficientes de determinación (R2) y la raíz del error cuadrático medio (RECM); donde R2 indica la correlación que existe entre los resultados modelados y las mediciones realizadas en campo y RECM muestra la capacidad de los modelos para simular el avance del agua en el bulbo de humedecimiento. Estos estadísticos de comparación indicaron que el modelo experimental simula el avance lateral y vertical del agua en el bulbo de humedecimiento con una confiabilidad de 91 y 96%, con un error estándar de estimación de 2.7 y 3%. El R2 y la RECM también mostraron que la mejor aproximación entre los datos modelados y los observados en campo respecto al avance del agua en el bulbo húmedo se obtuvo con el modelo experimental para un suelo franco arcilloso a descargas de emisor de 2 y 4 litros por hora.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The ability of an experimental model to simulate the advance of water in the wet bulb was evaluated. The aim was to verify its reliability for use in the design and operations of drip irrigation systems. Models used as a reference included Schwartzman and Zur, Amin and Ekhmaj, Kandelous and Liaghat and Abbasi. Field measurements were taken for evaluation purposes. A statistical comparison was preformed with coefficients of determination (R2) and the root mean square error (RMSE). R2 indicates the correlation between the modeled results and the field measurements, and the RMSE shows the capacity of the models to simulate the advance of water in the wet bulb. These statistical comparisons indicate that the experimental model simulates the lateral and vertical advance of water in the wet bulb with a reliability of 91 and 96%, with an estimated standard error of 2.7 and 3%, respectively. The R2 and the RMSE also showed that the experimental model that used clay loam soil with emitter flows of 2 and 4 liters per hour resulted in the modeled data and the field observations having the most similar values in terms of the advance of the wet bulb.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[simulación]]></kwd>
<kwd lng="es"><![CDATA[modelo matemático]]></kwd>
<kwd lng="es"><![CDATA[volumen de suelo mojado]]></kwd>
<kwd lng="es"><![CDATA[riego por goteo]]></kwd>
<kwd lng="es"><![CDATA[patrón de humedecimiento]]></kwd>
<kwd lng="en"><![CDATA[Simulation]]></kwd>
<kwd lng="en"><![CDATA[mathematical model]]></kwd>
<kwd lng="en"><![CDATA[wetted soil volume]]></kwd>
<kwd lng="en"><![CDATA[drip irrigation]]></kwd>
<kwd lng="en"><![CDATA[wetting-pattern]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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