<?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>S2617-47312023000200352</article-id>
<article-id pub-id-type="doi">10.32480/rscp.2023.28.2.352</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de la variación de la Temperatura de la Superficie Terrestre (TST) y del Índice Diferencial de Vegetación Normalizado (IVN) en el área metropolitana de Asunción]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of the variation of the Terrestrial Surface Temperature (TST) and the Normalized Differential Vegetation Index (IVN) in the metropolitan area of Asunción]]></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[Duarte López]]></surname>
<given-names><![CDATA[Víctor]]></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>
<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>352</fpage>
<lpage>369</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2617-47312023000200352&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2617-47312023000200352&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2617-47312023000200352&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La temperatura de la superficie terrestre ha variado considerablemente en las últimas décadas, de acuerdo a varias investigaciones las regiones con los cambios más notables constituyen las zonas urbanas con mayor concentración poblacional. Por ello, el uso de datos espectrales provistos por sensores remotos permite disponer de una cobertura completa del territorio a distintas escalas espacio-temporales. Considerando que la ciudad de Asunción y sus alrededores, han tenido un alto crecimiento urbanístico, el objetivo de la presente investigación fue analizar la variación de la Temperatura de la Superficie Terrestre (TST) y de la cobertura vegetal empleando el Índice Diferencial de Vegetación Normalizado (IVN) en términos de área a través de un análisis multitemporal entre los años 1986 y 2011. La metodología utilizada se basó en la obtención y procesamiento de imágenes satelitales Landsat 5TM y el cálculo del IVN y de la TST. Por lo cual se logró determinar que en términos de área se presentó una variación en cada una de las categorías de IVN y TST.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ ABSTRACT The temperature of the earth's surface has varied considerably in recent decades, according to several investigations, the regions with the most notable changes are the urban areas with the highest population concentration. For this reason, the use of spectral data provided by remote sensors allows having complete coverage of the territory at different spatiotemporal scales. Considering that the city of Asunción and its surroundings have had a high urban growth, the objective of the present investigation was to analyze the variation of the Terrestrial Surface Temperature (TST) and of the vegetation cover using the Normalized Differential Vegetation Index (IVN) in terms of area through a multitemporal analysis between the years 1986 and 2011. The methodology used was based on obtaining and processing Landsat 5TM satellite images and calculating the IVN and TST. Therefore, it was possible to determine that in terms of area there was a variation in each of the categories of IVN and TST.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[imágenes satelitales]]></kwd>
<kwd lng="es"><![CDATA[Landsat 5TM]]></kwd>
<kwd lng="es"><![CDATA[cobertura vegetal]]></kwd>
<kwd lng="es"><![CDATA[crecimiento urbano.]]></kwd>
<kwd lng="en"><![CDATA[satellite images]]></kwd>
<kwd lng="en"><![CDATA[Landsat 5TM]]></kwd>
<kwd lng="en"><![CDATA[vegetation cover]]></kwd>
<kwd lng="en"><![CDATA[urban growth]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BID]]></surname>
<given-names><![CDATA[Banco Interamericano de Desarrollo]]></given-names>
</name>
</person-group>
<source><![CDATA[Iniciativa de ciudades emergentes y sostenibles: Plan de acción Área Metropolitana de Asuncion Sostenible]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Study of green areas and urban heat island in a tropical city]]></article-title>
<source><![CDATA[Habitat International]]></source>
<year>2005</year>
<numero>29</numero>
<issue>29</issue>
<page-range>547-58</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capelli de Steffens]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Piccolo]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Campo de Ferrera]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Clima urbano de Bahía Blanca. Editorial Dunken, Buenos Aires, Argentina]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dimoudi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Nikopoulou]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vegetation in the urban environment: microclimatic analysis and benefits]]></article-title>
<source><![CDATA[Energy and Biuldings]]></source>
<year>2003</year>
<numero>35</numero>
<issue>35</issue>
<page-range>69-76</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prince]]></surname>
<given-names><![CDATA[SD]]></given-names>
</name>
</person-group>
<source><![CDATA[High Temporal Frequency Remote Sensing of Primary Production using NOAA AVHRR. En: Steven, M.D., Clark, J.A. (Eds.)]]></source>
<year>1990</year>
<page-range>427</page-range><publisher-name><![CDATA[Applications of remote sensing in agriculture]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valor]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Caselles]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mapping land surface emissivity from NDVI: application to European, African and South American areas]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>1996</year>
<numero>57</numero>
<issue>57</issue>
<page-range>167-84</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paruelo]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La caracterización funcional de ecosistemas mediante sensores remotos]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2008</year>
<numero>17</numero>
<issue>17</issue>
<page-range>4-22</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Piñeiro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La caracterización de la heterogeneidad espacial de los ecosistemas: el uso de atributos funcionales derivados de datos espectrales]]></article-title>
<source><![CDATA[Ecosistemas]]></source>
<year>2008</year>
<numero>17</numero>
<issue>17</issue>
<page-range>64-78</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DGEEC]]></surname>
<given-names><![CDATA[Instituto Nacional de Estadística]]></given-names>
</name>
</person-group>
<source><![CDATA[Proyección de la Población por Sexo y Edad, según Distrito, 2000-2025. Revisión 2015. Fernando de la Mora, Paraguay]]></source>
<year></year>
<page-range>583</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sobrino]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Muñoz]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Paolini]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land surface temperature retrieval from LANDSAT TM 5]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>2004</year>
<numero>90</numero>
<issue>90</issue>
<page-range>434-40</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lo]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Quattrochi]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land-use and Land-cover change, urban heat island phenomenon, and health implication: a remote sensing approach]]></article-title>
<source><![CDATA[Photogrammetric Engineering and remote Sensing]]></source>
<year>2003</year>
<numero>69</numero>
<issue>69</issue>
<page-range>1053-63</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giannini]]></surname>
<given-names><![CDATA[MB]]></given-names>
</name>
<name>
<surname><![CDATA[Belfiore]]></surname>
<given-names><![CDATA[OR]]></given-names>
</name>
<name>
<surname><![CDATA[Parente]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Santamaria]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Land Surface Temperature from Landsat 5 TM images: comparison of different methods using airborne thermal data]]></article-title>
<source><![CDATA[Journal of Engineering Science and Technology Review]]></source>
<year>2015</year>
<numero>8</numero>
<issue>8</issue>
<page-range>83-90</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chander]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Markaham]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[Helder]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sumary of current radiometric calibration coefficients for Landsat MSS, TM, ETM+ nad EO-1 ALI sensor]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>2009</year>
<numero>113</numero>
<issue>113</issue>
<page-range>893-903</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chavez]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Image-Based Atmospheric Corrections]]></article-title>
<source><![CDATA[Revisited and Improved, Photogrammetric Engineering &amp; Remote Sensing]]></source>
<year>1996</year>
<numero>62</numero>
<issue>62</issue>
<page-range>1025-36</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rouse]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Haas]]></surname>
<given-names><![CDATA[JRH]]></given-names>
</name>
<name>
<surname><![CDATA[Schell]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Deering]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
</person-group>
<source><![CDATA[Monitoring the vernal advancement and retrogradation (green wave effect) of natural vegetation. Prog. Rep. RSC 1978-1, Remote Sensing Center, Texas A&amp;M Univ., College Station]]></source>
<year>1973</year>
<page-range>93p</page-range><publisher-name><![CDATA[NTIS No. E73-106393]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sobrino]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Caselles]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Becker]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Significance of the remotely sensed thermal infrared measurements obtained over a citrus orchard,&#8221; ISPRS J Photogramm]]></article-title>
<source><![CDATA[Remote Sens]]></source>
<year>1990</year>
<numero>44</numero>
<issue>44</issue>
<page-range>343-54</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carlson]]></surname>
<given-names><![CDATA[TN]]></given-names>
</name>
<name>
<surname><![CDATA[Ripley]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On the relation between NDVI, fractional vegetation cover, and leaf area index]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>1997</year>
<numero>62</numero>
<issue>62</issue>
<page-range>241-52</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Artis]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carnahan]]></surname>
<given-names><![CDATA[W.H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Survey of Emissivity Variability in Thermography of Urban Areas]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>1982</year>
<numero>12</numero>
<issue>12</issue>
<page-range>313-29</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weng]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Shubring]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimation of land surface temperature - vegetation abundance relationship for urban heat island studies]]></article-title>
<source><![CDATA[Remote Sensing of Environment]]></source>
<year>2004</year>
<numero>89</numero>
<issue>89</issue>
<page-range>467-83</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Gómez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno-Jiménez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-García]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Palou]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La temperatura diurna en la Aglomeración de Madrid, mediante imágenes remotas]]></article-title>
<source><![CDATA[Revista de Estudios Geográficos]]></source>
<year>1990</year>
<numero>201</numero>
<issue>201</issue>
<page-range>705-32</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Luber]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[McGeehing]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Climate change and Extreme heat events]]></article-title>
<source><![CDATA[American Journal of Preventive Medicine]]></source>
<year>2008</year>
<numero>35</numero>
<issue>35</issue>
<page-range>429-35</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="">
<collab>EPA</collab>
<source><![CDATA[Urban Heat Island]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Washington D.C ]]></publisher-loc>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
