<?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>0123-3769</journal-id>
<journal-title><![CDATA[Perspectiva Geográfica]]></journal-title>
<abbrev-journal-title><![CDATA[Perspectiva Geográfica]]></abbrev-journal-title>
<issn>0123-3769</issn>
<publisher>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-37692019000100035</article-id>
<article-id pub-id-type="doi">10.19053/01233769.8087</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estimación de trayectorias de crecimiento poblacional a partir de imágenes satelitales nocturnas DMSP-OLS en las cuatro principales ciudades de Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Projecting population growth from DMSP-OLS nighttime satellite imagery in the four main cities of Colombia]]></article-title>
<article-title xml:lang="pt"><![CDATA[Avaliação de trajetórias de crescimento populacional a partir de imagens de satélites noturnos DMSP-OLS nas quatro principais cidades da Colômbia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Mariaca]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Torres]]></surname>
<given-names><![CDATA[Francisco Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Valle  ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>35</fpage>
<lpage>52</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-37692019000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-37692019000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-37692019000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las imágenes nocturnas se han empleado desde la década de los noventa y han permitido estudiar dinámicas de los asentamientos urbanos. Así mismo, la generación de censos poblacionales regularmente es un proceso costoso y, por ende, no pueden ser replicados constantemente. Por esta razón, se presenta como alternativa el uso de imágenes DMSP-OLS para determinar las trayectorias de crecimiento poblacional de las cuatro principales ciudades colombianas. Dichas trayectorias fueron estimadas a partir de los valores digitales de pixel de las imágenes antes y después de la calibración temporal, así como con los datos de la radiancia relativa. Las estimaciones de Cali y Barranquilla resultaron cercanas a las trayectorias de crecimiento poblacional proyectadas por el Departamento Administrativo Nacional de Estadística (DANE) para el año 2005, por el contrario, los datos en Bogotá y Medellín presentaron distorsiones que sobreestimaron los tamaños poblacionales. Los hallazgos reafirman el potencial de dichas imágenes para monitorear las dinámicas poblacionales en Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Nighttime imagery has been used since the 1990s and has enabled the study of urban settlement dynamics. Since population censuses are expensive and cannot be conducted regularly, DMSP-OLS imagery is introduced as an alternative to project population growth in the four main Colombian cities. These projections were made based on the digital pixel values of images before and after time calibration, as well as on relative radiance data. Cali and Barranquilla estimates are close to the population growth predicted by the National Administrative Department of Statistics (DANE) for 2005, while Bogotá and Medellín data show distortions that overestimated population sizes. Findings reaffirm the potential of these images to monitor population dynamics in Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Imagens noturnas têm sido utilizadas desde a década dos anos noventa e tem permitido o estudo das dinâmicas dos assentamentos urbanos. Assim mesmo, a geração de censos populacionais regularmente é um processo caro e, portanto, não podem ser constantemente replicados. Por esse motivo, o uso de imagens DMSP-OLS é apresentado como uma alternativa para determinar as trajetórias de crescimento populacional das quatro principais cidades colombiana. Essas trajetórias foram estimadas a partir dos valores digitais de pixel das imagens antes e depois da calibração temporária, bem como com os dados da radiância relativa. As estimativas de Cali e Barranquilla aproximaram-se as trajetórias de crescimento populacional projetadas pelo Departamento Administrativo Nacional de Estatística (DANE) para o ano 2005; pelo contrário, os dados em Bogotá e Medellín apresentaram distorções que superestimaram o tamanho da população. Os resultados reafirmam o potencial dessas imagens para monitorar as dinâmicas populacionais na Colômbia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Colombia]]></kwd>
<kwd lng="es"><![CDATA[desarrollo urbano]]></kwd>
<kwd lng="es"><![CDATA[NTL]]></kwd>
<kwd lng="es"><![CDATA[DMSP-OLS]]></kwd>
<kwd lng="es"><![CDATA[proyección demográfica]]></kwd>
<kwd lng="es"><![CDATA[teledetección]]></kwd>
<kwd lng="en"><![CDATA[Colombia]]></kwd>
<kwd lng="en"><![CDATA[urban development]]></kwd>
<kwd lng="en"><![CDATA[NTL]]></kwd>
<kwd lng="en"><![CDATA[DMSP-OLS]]></kwd>
<kwd lng="en"><![CDATA[population projection]]></kwd>
<kwd lng="en"><![CDATA[remote sensing]]></kwd>
<kwd lng="pt"><![CDATA[Colômbia]]></kwd>
<kwd lng="pt"><![CDATA[Desenvolvimento Urbano]]></kwd>
<kwd lng="pt"><![CDATA[NTL]]></kwd>
<kwd lng="pt"><![CDATA[DMSP-OLS]]></kwd>
<kwd lng="pt"><![CDATA[Projeção Demográfica]]></kwd>
<kwd lng="pt"><![CDATA[Sensoriamente Remoto]]></kwd>
</kwd-group>
</article-meta>
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