<?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>S2007-24222020000400058</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2020-04-03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sustentabilidad de la huella hídrica en la cuenca del valle de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Novelo]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Tapia]]></surname>
<given-names><![CDATA[Lilia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Economía ]]></institution>
<addr-line><![CDATA[Azcapotzalco Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Economía ]]></institution>
<addr-line><![CDATA[Azcapotzalco Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>4</numero>
<fpage>58</fpage>
<lpage>100</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222020000400058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222020000400058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222020000400058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del trabajo consiste en estimar la huella hídrica (consumo de agua fresca) de la Cuenca del Valle de México (CVM) &#8213;la región más poblada y de mayor actividad económica de México&#8213;, aplicando una metodología que incorpora el agua virtual al esquema ingenieril basado en cuantificar la extracción y los usos de agua, y que mide con mayor precisión el estrés que enfrentan los recursos hídricos por el enorme consumo en la cuenca. La huella hídrica estimada fue de 3 895.59 hm3 de agua fresca anual en 2015, que mostró los requerimientos del consumo de los residentes en la CVM. La huella equivale a la captación de agua anual promedio en la presa Falcón (Tamaulipas, al norte de México), que da cuenta del enorme requerimiento del recurso. Abastecer tal nivel de consumo de agua ha requerido la creación de una complicada y costosa ingeniería de suministro, y la sobreexplotación de recursos hídricos propios y externos. En la CVM, cuando se consumen 202 m3 de agua, 100 m3 se explican por agua renovable y 102 m3 de agua no renovable. De este último valor, 39.3 m3 provienen de acuíferos sobreexplotados en la misma cuenca; 32.8 m3 de la importación de otras cuencas sobreexplotadas, y 30.4 m3 es agua virtual importada vía el comercio exterior de la cuenca. Dicha composición muestra que la mitad del consumo se basa en la extracción predatoria de recursos hídricos, que se capta en el índice de sustentabilidad de 202%, que registra la huella hídrica en la CVM, valor que indica su extrema fragilidad para mantenerse en el tiempo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper estimates the water footprint (fresh-water consumption) at Valley of Mexico´s Basin (CVM in Spanish). This region has the biggest population and economic activity of Mexico. The methodology incorporates virtual water to the engineering scheme based on quantifying extraction and water use, and which more accurately measures the stress faced by water resources due to the enormous water consumption in the basin. The estimated water footprint is 3 895.59 hm3 of annual fresh water in 2015, making evident the water requirements of the residents of the CVM. Hence, the footprint is equivalent to the average annual water catchment at the Falcón Dam (Tamaulipas, northern Mexico), which accounts for its enormous resource requirement. Supplying such a level of water consumption has required the creation of a complicated and expensive supply engineering and overexploitation of not only own but also and external water resources. More precisely, when 202 m3 of water are consumed in the CVM, 100 m3 are explained by renewable water and 102 m3 of non-renewable water. Of this last value, 39.3 m3 come from overexploited aquifers in the same basin; 32.8 m3 from the import of overexploited basins, and 30.4 m3 is virtual water imported via the foreign trade of the basin. Finally, this composition shows that half of the consumption is based on the predatory extraction of water resources. This is received in the sustainability index of 202%, which is recorded by the water footprint in the CVM and is a value that indicates its extreme fragility to maintain itself over time.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agua virtual]]></kwd>
<kwd lng="es"><![CDATA[intercambio de agua virtual]]></kwd>
<kwd lng="es"><![CDATA[insumo-producto]]></kwd>
<kwd lng="es"><![CDATA[multiplicador agua virtual]]></kwd>
<kwd lng="en"><![CDATA[Virtual water]]></kwd>
<kwd lng="en"><![CDATA[water sustainability]]></kwd>
<kwd lng="en"><![CDATA[integral management]]></kwd>
<kwd lng="en"><![CDATA[net water saving]]></kwd>
<kwd lng="en"><![CDATA[input-output]]></kwd>
<kwd lng="en"><![CDATA[virtual water multiplier]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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