<?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>2617-4731</journal-id>
<journal-title><![CDATA[Revista de la Sociedad Científica del Paraguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Soc. cient. Parag.]]></abbrev-journal-title>
<issn>2617-4731</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Científica del Paraguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2617-47312023000200370</article-id>
<article-id pub-id-type="doi">10.32480/rscp.2023.28.2.370</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aproximaciones al cambio climático: tendencias históricas en Paraguay]]></article-title>
<article-title xml:lang="en"><![CDATA[Approaches to climate change: historical trends in Paraguay]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero Chávez]]></surname>
<given-names><![CDATA[Claudia Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Long]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Agrarias ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Buenos Aires Facultad de Agronomía ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>28</volume>
<numero>2</numero>
<fpage>370</fpage>
<lpage>396</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2617-47312023000200370&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2617-47312023000200370&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2617-47312023000200370&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El Cambio Climático se plantea como uno de los desafíos más urgentes que enfrenta la humanidad a nivel global, siendo una problemática compleja que implica desiguales consecuencias. Se observan aumentos y disminuciones de la temperatura en muchas regiones del mundo. Estos cambios climáticos podrían afectar significativamente en los sistemas naturales y la vida humana en los países menos desarrollados. El principal objetivo del presente trabajo fue analizar las tendencias históricas de la temperatura del aire (1960-2018) en Paraguay. Para analizar las posibles variaciones de la tendencia se aplicaron dos pruebas estadísticas no paramétricas (pendiente de Sen y Mann-Kendall). Los resultados muestran aumentos significativos de las temperaturas anuales en gran parte de las estaciones meteorológicas analizadas con un nivel de confianza de 99%.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[  ABSTRACT Climate Change is considered one of the most urgent challenges facing humanity at a global level, being a complex problem that implies unequal consequences. Increases and decreases in temperature are observed in many regions of the world. These climatic changes could significantly affect natural systems and human life in less developed countries. The main objective of this work was to analyze the historical trends of average air temperature (1960-2018) in Paraguay. To analyze the possible variations of the trend,  two non-parametric statistical tests (Sen and Mann-Kendall slope) were applied. The results show significant increases in the annual temperature in most of the weather stations analyzed with a confidence level of 99%.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[temperatura media]]></kwd>
<kwd lng="es"><![CDATA[temperatura máxima media]]></kwd>
<kwd lng="es"><![CDATA[temperatura mínima media]]></kwd>
<kwd lng="es"><![CDATA[Mann-Kendall]]></kwd>
<kwd lng="es"><![CDATA[Sen.]]></kwd>
<kwd lng="en"><![CDATA[mean temperature]]></kwd>
<kwd lng="en"><![CDATA[mean maximum temperature]]></kwd>
<kwd lng="en"><![CDATA[mean minimum temperature]]></kwd>
<kwd lng="en"><![CDATA[Mann-Kendall]]></kwd>
<kwd lng="en"><![CDATA[Sen]]></kwd>
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