<?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>S2007-24222017000500141</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2017-05-10</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelo hidrológico de la cuenca del río Sordo, Oaxaca, México, con SWAT]]></article-title>
<article-title xml:lang="en"><![CDATA[Hydrological model of the Sordo River watershed, Oaxaca, México, using SWAT]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Galindo]]></surname>
<given-names><![CDATA[Madaí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Reynoso]]></surname>
<given-names><![CDATA[Demetrio Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Menes]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-Granados]]></surname>
<given-names><![CDATA[Erasmo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos-Berber]]></surname>
<given-names><![CDATA[José Donaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>5</numero>
<fpage>141</fpage>
<lpage>156</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222017000500141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222017000500141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222017000500141&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La cuenca del río Sordo, ubicada al poniente del estado de Oaxaca, México, drena 7 751.42 km2 y es predominantemente sedimentaria, con fuertes problemas de erosión hídrica (de 50 a 200 t ha-1). El objetivo de este trabajo fue calibrar y validar el modelo hidrológico SWAT (Soil and Water Assessment Tools), para establecer parámetros útiles en evaluaciones hidrológicas y en la toma de decisiones. Para ello se utilizaron diez años de información climática (de 1975 a 1985), se determinaron las propiedades físicas y químicas de los nueve tipos de suelos, y se definieron las variables fisiotécnicas de 13 tipos de cobertura vegetal presentes en la cuenca. Con base en datos topográficos, edáficos y cobertura vegetal, la cuenca se dividió en 175 subcuencas y 1 729 unidades de respuesta hidrológica. Para la calibración (c) y validación (v) se estimó el coeficiente de determinación (r2) y el índice de eficiencia Nash-Sutcliffe (NSE), entre valores observados y simulados para la producción anual de biomasa (r2 = 0.96 c y NSE = 0.95 c), mensual para caudales (r2 = 0.84 c, NSE = 0.83 c, r2 = 0.7 v, y NSE = 0.81 v) y carga de sedimentos (r2 = 0.59 c, NSE = 0.51 c, r2 = 0.58 v, y NSE = 0.45 v). Se concluye que el modelo SWAT se calibró y validó de manera satisfactoria, y se recomienda su uso para la toma de decisiones sobre la estrategia en la conservación del suelo en la cuenca del río Sordo en Oaxaca.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The Sordo watershed is located in the western portion of the state of Oaxaca, Mexico. It drains an area of 7 751.42 km2 and is predominantly a sedimentary basin with significant water erosion problems (50-200 t ha-1yr-1). The main goal of this work was to calibrate and validate the SWAT model (Soil and Water Assessment Tools) in order to establish parameters that are useful to hydrological evaluations and decision-making. To this end, 10 years of climate information were used (1975-1985) and physiological variables were defined for 13 vegetation covers. In addition, physical and chemical properties were determined for nine soil types found in the area. Based on elevation data, soil types, and vegetation cover, the basin was divided into 175 sub-basins and 1 729 hydrological response units. For calibration (c) and validation (v) purposes, the coefficient of determination (r2) and the Nash-Sutcliffe efficiency coefficient (NSE) were calculated for observed and simulated annual biomass yield (r2 = 0.96 c and NSE = 0.95 c), monthly flow rates (r2 = 0.84 c, NSE = 0.83 c, r2 = 0.7 v, and NSE = 0.81 v), and monthly sediment loads (r2 = 0.59 c, NSE = 0.51 c, r2 = 0.58 v, and NSE = 0.45 v). In conclusion, the SWAT model was satisfactorily calibrated and validated, and it is recommended for decision-making related to soil conservation strategies in the Sordo River Basin in Oaxaca.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[producción de agua]]></kwd>
<kwd lng="es"><![CDATA[producción de sedimentos]]></kwd>
<kwd lng="es"><![CDATA[biomasa]]></kwd>
<kwd lng="es"><![CDATA[eficiencia de Nash-Sutcliffe]]></kwd>
<kwd lng="en"><![CDATA[Water production]]></kwd>
<kwd lng="en"><![CDATA[sediment yield]]></kwd>
<kwd lng="en"><![CDATA[biomass]]></kwd>
<kwd lng="en"><![CDATA[Nash-Sutcliffe efficiency]]></kwd>
</kwd-group>
</article-meta>
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<person-group person-group-type="author">
<name>
<surname><![CDATA[Zuleta]]></surname>
<given-names><![CDATA[S. C. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis del comportamiento del recurso hídrico ante cambios en el uso del suelo y el cambio climático en la cuenca del río Pejibaye, Costa Rica]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Turrialba, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Centro Agronómico Tropical de Investigación y Enseñanza. CATIE]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
