<?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>S2007-24222020000100235</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2020-01-06</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización de sequías hidrológicas en el río Cauca en su valle alto]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of hydrological drought in the Cauca river high valley]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-López]]></surname>
<given-names><![CDATA[Nathalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carvajal-Escobar]]></surname>
<given-names><![CDATA[Yesid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>1</numero>
<fpage>235</fpage>
<lpage>265</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222020000100235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222020000100235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222020000100235&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las sequías son uno de los fenómenos naturales más complejos y pueden generar efectos devastadores para los sistemas sociales y ecológicos. Como consecuencia del cambio climático (CC); de la creciente presión de la demanda de agua causada por el crecimiento de la población; y la expansión de los sectores agrícola, energético e industrial, las sequías se han intensificado; por tanto, es necesario identificarlas y caracterizarlas. En este trabajo se calculó el índice de sequía de caudales (SDI) para cuatro estaciones ubicadas en el río Cauca en su valle alto, con el fin de detectar la ocurrencia e intensidad de las sequías hidrológicas. Los resultados mostraron que los eventos más intensos y de mayor magnitud ocurrieron en los años 1991-1992 y 2015-2016, durante los cuales se presentó el fenómeno El Niño en Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Droughts are one of the most complex natural phenomena and can have devastating effects on social and ecological systems. As a consequence of the Climate Change (CC), the increasing pressure of water demand caused by population growth and the expansion of the agricultural, energy and industrial sectors have intensified, so it is necessary to identify and characterize droughts. In this work, the Streamflow Drought Index (SDI) was calculated for four stations located in the Cauca River in its high valley, with the purpose of detect the occurrence and intensity of hydrological droughts. The results showed that the most intense and major events occurred during the years 1991-1992 and 2015-2016, during which the El Niño phenomenon occurred in Colombia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[caudales]]></kwd>
<kwd lng="es"><![CDATA[El Niño]]></kwd>
<kwd lng="es"><![CDATA[índice de sequía de caudales (SDI)]]></kwd>
<kwd lng="en"><![CDATA[Streamflow]]></kwd>
<kwd lng="en"><![CDATA[Streamflow Drought Index (SDI)]]></kwd>
<kwd lng="en"><![CDATA[El Niño]]></kwd>
</kwd-group>
</article-meta>
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