<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792022000100118</article-id>
<article-id pub-id-type="doi">10.28940/terra.v40i0.1320</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Parametrización de la dinámica del modelo COLPOS mediante cronosecuencias de cambio de uso del suelo y vegetación]]></article-title>
<article-title xml:lang="en"><![CDATA[Parameterization of the dynamics of the COLPOS model through chronosequences of land use and vegetation change]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paz-Pellat]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Etchevers-Barra]]></surname>
<given-names><![CDATA[Jorge Dionisio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,GRENASER  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados Laboratorio de Fertilidad de Suelos y Química Ambiental ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>40</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792022000100118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792022000100118&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792022000100118&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La modelación de la dinámica del carbono orgánico del suelo (COS) es una tarea crítica para analizar proyecciones de emisiones de CO2 asociadas al cambio de uso del suelo y vegetación (USyV). El modelo COLPOS fue desarrollado para estimar la distribución del COS asociado a fracciones físicas del suelo, pero no fue extendido a una versión dinámica. En este trabajo se presenta el desarrollo del modelo dinámico COLPOS, generado a partir de una revisión de las soluciones de las ecuaciones diferenciales ordinarias de modelos de dinámica del COS con dos almacenes, uno activo y otro inerte. Con el uso de cronosecuencias de cambios de USyV, donde se separaron los procesos de descomposición y absorción del COS mediante el uso de técnicas que emplean un isótopo estable (13C), se realizó un ajuste del modelo desarrollado, obteniéndose resultados satisfactorios (R2 &gt; 0.9). El modelo dinámico COLPOS solo tiene un parámetro de ajuste y fue formulado con base en datos medibles en laboratorio, por lo que su uso operacional es viable.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: The modeling of soil organic carbon (SOC) dynamics is a critical step to analyze CO2 emissions projections associated with changes in land use and vegetation (USyV). The COLPOS model was developed to estimate the distribution of SOC associated with physical soil fractions, but it was not extended to a dynamic version. This paper presents the development of the dynamic COLPOS model, generated from a review of the solutions of the ordinary differential equations of the SOC dynamics models with two stocks, one active and the other inert. With the use of chronosequences of USyV changes, where the decomposition and absorption processes of COS were separated by using techniques that use a stable isotope (13C), an adjustment of the developed model was carried out, obtaining satisfactory results (R2 &gt; 0.9). The COLPOS dynamic model only has one adjustment parameter and was formulated based on measurable laboratory data, so its operational use is viable.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[almacenes múltiples]]></kwd>
<kwd lng="es"><![CDATA[equivalencia de modelos]]></kwd>
<kwd lng="es"><![CDATA[isotopos estables]]></kwd>
<kwd lng="es"><![CDATA[parámetro q]]></kwd>
<kwd lng="es"><![CDATA[medible versus virtual]]></kwd>
<kwd lng="en"><![CDATA[multiple compartments]]></kwd>
<kwd lng="en"><![CDATA[model equivalence]]></kwd>
<kwd lng="en"><![CDATA[stable isotopes]]></kwd>
<kwd lng="en"><![CDATA[q parameter]]></kwd>
<kwd lng="en"><![CDATA[measurable versus virtual]]></kwd>
</kwd-group>
</article-meta>
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