<?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>S2007-24222017000300055</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2017-03-04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La variabilidad del caudal del río Acaponeta inferida mediante series de anillos de crecimiento en coníferas]]></article-title>
<article-title xml:lang="en"><![CDATA[The streamflow variability of the Acaponeta River inferred from tree-ring series of conifers]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cerano]]></surname>
<given-names><![CDATA[Julián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosales]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castruita]]></surname>
<given-names><![CDATA[Luis U.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Aldo R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<fpage>55</fpage>
<lpage>74</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222017000300055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222017000300055&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222017000300055&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: A partir de una red de ocho cronologías de anchura de anillo con especies coníferas se integró una cronología regional para la cuenca alta del río Acaponeta (CR-Acaponeta), para reconstruir la variación del caudal medio (CM) de 1700 a 2013 (314 años). La calidad de fechado se verificó con Cofecha y la intercorrelación entre series fue de 0.47 a 0.72, indicando una señal común de crecimiento. La correlación entre cronologías individuales y la CR-Acaponeta varió de 0.32 a 0.87; se requirieron entre 7 y 17 árboles para alcanzar una señal expresada de población (EPS) de 0.85. Las series residuales correlacionadas con el CM fueron la de anillo total (RWIr) y de madera tardía (LWr). Mediante la transformación del CM a Log10 y a raíz cuadrada, y con el uso de la subrutina VERIFY de &#8220;Dendrochronology Program Library&#8221;, se obtuvieron ecuaciones de reconstrucción del CM enero-agosto (r = 0.74, p &lt; 0.01) y agosto-octubre (r = 0.69, p &lt; 0.01), a partir de RWIr y LWIr, respectivamente. La factibilidad de las ecuaciones para predecir en rangos fuera de los observados fue significativa, con valores de reducción de error de 0.479 y 0.465, respectivamente. La variación del CM enero-agosto se correlacionó con el fenómeno de El Niño, observándose una relación inversa y significativa (r = -0.632, p &lt; 0.01, n = 121, 1876-1996) entre los índices RWIr y los índices de Oscilación del Sur (SOI) de invierno. La relación entre ambas variables se incrementó (r = -0.76, p &lt; 0.01, n = 61) para eventos intensos de ENSO (El Niño Southern Oscillation). Los resultados indican que en los últimos 20 años, el volumen de escurrimiento disminuyó 10%, lo que se atribuye a acciones antropogénicas. Este trabajo muestra que es posible hacer reconstrucciones de los caudales con una red cronologías de anillos de crecimiento en el occidente de México y generar información útil para comprender la variación histórica de caudales medios, así como para mejorar la planeación y manejo de los recursos hídricos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: From a dendrochronological network composed by eight conifer species, a regional chronology (CR-Acaponeta) for the upper watershed of the Acaponeta River was built, to reconstruct the variation of the streamflow (MS) from 1700 to 2013 (314 y). The dating quality was verified with Cofecha showing intercorrelations from 0.47 to 072, indicating a common signal for tree growth. The correlation between individual chronologies and the CR-Acaponeta varied from 0.32 to 0.87, and the sample required to reach an expressed population signal (EPS) of 0.85 was from 7 to 17 trees. The residual chronologies correlated to MS were that for total ring (RWIr) and late wood (LWr). The transformation of MS into Log10 and square root values and the use of the VERIFY subroutine from &#8220;Dendrochronology Program Library&#8221; led to equations for reconstructing MS of January-August (r = 0.74, p &lt; 0.01) and August-October (r = 0.69, p &lt; 0.01) from RWIr and LWIr, respectively. The capability of the equations to predict in ranges out of the observed data was significant with reduction errors of 0.479 and 0.465, respectively. The variation of MS January-August was negatively correlated to ENSO (r = -0.632, p &lt; 0.01, 1876-1996), with an inverse and significant relationship between the RWIr and South Oscilaltion of winter. This correlation increased to -0.76 (p &lt; 0.01) when considering only the most intense ENSO events. This work shows the potential of streamflow reconstruction from tree ring nets in west Mexico, providing useful information for the planning and management of the hydrological resources.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[dendrocronología]]></kwd>
<kwd lng="es"><![CDATA[coníferas]]></kwd>
<kwd lng="es"><![CDATA[Sierra Madre Occidental]]></kwd>
<kwd lng="es"><![CDATA[caudal]]></kwd>
<kwd lng="es"><![CDATA[ENSO]]></kwd>
<kwd lng="en"><![CDATA[Dendrochronology]]></kwd>
<kwd lng="en"><![CDATA[conifers]]></kwd>
<kwd lng="en"><![CDATA[Sierra Madre Occidental]]></kwd>
<kwd lng="en"><![CDATA[streamflow]]></kwd>
<kwd lng="en"><![CDATA[ENSO]]></kwd>
</kwd-group>
</article-meta>
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