<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342016000902535</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tendencia de temperaturas máximas y mínimas mensuales en Aguascalientes, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Monthly trend of maximum and minimum temperatures in Aguascalientes, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz Álvarez]]></surname>
<given-names><![CDATA[Osías]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espejel Trujano]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ontiveros Capurata]]></surname>
<given-names><![CDATA[Ronald Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enciso]]></surname>
<given-names><![CDATA[Juan M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo Reyes]]></surname>
<given-names><![CDATA[Manuel Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quesada Parga]]></surname>
<given-names><![CDATA[Mario Leonel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grageda Grageda]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Reyes]]></surname>
<given-names><![CDATA[Rodimiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz Corral]]></surname>
<given-names><![CDATA[José Ariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,INIFAP Campo Experimental Pabellón ]]></institution>
<addr-line><![CDATA[Pabellón de Arteaga Aguascalientes]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Innovación agrícola  ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano de Tecnología del Agua  ]]></institution>
<addr-line><![CDATA[Jiutepec Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Texas A&amp;M AgriLife Research Department of Biological and Agricultural Engineering ]]></institution>
<addr-line><![CDATA[Weslaco TX]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,INIFAP Campo Experimental Pabellón ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Tecnológico El Llano  ]]></institution>
<addr-line><![CDATA[El Llano Aguascalientes]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,INIFAP Campo Experimental Costa de Hermosillo ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,El Colegio de la Frontera Sur (ECOSUR) Unidad Villahermosa ]]></institution>
<addr-line><![CDATA[Villahermosa Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,INIFAP Campo Experimental Centro Altos de Jalisco]]></institution>
<addr-line><![CDATA[Tepatitlán Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>spe13</numero>
<fpage>2535</fpage>
<lpage>2549</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000902535&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000902535&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000902535&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de esta investigación fue analizar tendencias en los promedios de temperatura máxima (Tmax) y mínima (Tmin) mensual en Aguascalientes y series de tiempo de por lo menos 30 años. El análisis estadístico se realizó con la metodología de Mann-Kendall y la tasa de cambio se calculó con la pendiente de Theil. De 612 series de Tmin, 365 no fueron significativas, mientras que 247 si lo fueron, de estas series con tendencia significativa (p&#8804; 0.05), 129 tuvieron tendencia positiva y 118 tuvieron tendencia negativa. De 672 series de Tmax, 448 no fueron significativas, mientras que 224 si lo fueron, de estas series con tendencia significativa (p&#8804; 0.05), 167 tuvieron tendencia positiva y 57 tuvieron tendencia negativa. La mayor tendencia positiva (1.33 °C década-1) de Tmin fue en abril y la menor (0.09 °C década-1) en julio y septiembre, el promedio anual de las tendencias positivas fue 0.50 °C década-1; diciembre tuvo la mayor tendencia negativa (-1.42 °C década-1) y agosto tuvo la menor (-0.14 °C década-1), el promedio anual de tendencias negativas fue -0.59 °C década-1. En relación con Tmax, abril tuvo la mayor tendencia positiva (1.59 °C década-1) y diciembre tuvo la menor (0.18°C década-1), el promedio anual de tendencias positivas fue 0.61 °C década-1; octubre tuvo la mayor tendencia negativa (-1.51 °C década-1) y septiembre tuvo la menor (-0.19 °C década-1), el promedio anual de tendencias negativas fue -0.68 °C década-1. En Aguascalientes, un número pequeño de localidades presenta enfriamiento y una parte importante se está calentando, la región que manifiesta cambios en la temperatura está presentando un clima más extremo y cambios en el rango térmico diurno (RTD).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this study was to analyze trends in monthly average maximum (Tmax) and minimum (Tmin) temperature in Aguascalientes and time series of at least 30 years. Statistical analysis was performed using the Mann-Kendall methodology and the exchange rate was calculated with Theil slope. From 612 Tmin series, 365 were not significant, whereas 247 were significant, of these series with significant trend (p&#8804; 0.05), 129 had positive trend and 118 had negative trend. From 672 Tmax series, 448 were not significant, whereas 224 were significant, of these series with significant trend (p&#8804; 0.05), 167 had positive trend and 57 had negative trend. The highest positive trend (1.33 °C decade-1) from Tmin was in April and the lowest (0.09 °C decade-1) in July and September, the average annual positive trends was 0.50 °C decade-1; December had the highest negative trend (-1.42 °C decade-1) and August had the lowest (-0.14 °C decade-1), the average annual negative trends was -0.59 °C decade-1. Regarding Tmax, April had the highest positive trend (1.59 °C decade-1) and December had the lowest (0.18 °C decade-1), the average annual positive trend was 0.61 °C decade-1; October had the highest negative trend (-1.51 °C decade-1) and September had the lowest (-0.19 °C decade-1), the average annual negative trends was -0.68 °C decade-1. In Aguascalientes, a small number of localities are cooling and a significant portion are warming, the region that is showing temperature changes is having a more extreme weather and changes in the diurnal temperature range (RTD).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cambio climático en Aguascalientes]]></kwd>
<kwd lng="es"><![CDATA[estaciones meteorológicas]]></kwd>
<kwd lng="es"><![CDATA[rango térmico diurno]]></kwd>
<kwd lng="es"><![CDATA[regresión de Mann-Kendall]]></kwd>
<kwd lng="es"><![CDATA[series de tiempo]]></kwd>
<kwd lng="en"><![CDATA[climate change in Aguascalientes]]></kwd>
<kwd lng="en"><![CDATA[diurnal temperature range]]></kwd>
<kwd lng="en"><![CDATA[Mann-Kendall regression]]></kwd>
<kwd lng="en"><![CDATA[time series]]></kwd>
<kwd lng="en"><![CDATA[weather stations]]></kwd>
</kwd-group>
</article-meta>
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