<?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>0120-0283</journal-id>
<journal-title><![CDATA[Boletín de Geología]]></journal-title>
<abbrev-journal-title><![CDATA[bol.geol.]]></abbrev-journal-title>
<issn>0120-0283</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-02832019000200071</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v41n2-2019004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Modelos de temperatura del suelo a partir de sondeos superficiales y sensores remotos para el área geotérmica de Paipa, Boyacá-Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Ground temperature model from shallow soundings and remote sensing for geothermal area of Paipa, Boyacá-Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Matiz-León]]></surname>
<given-names><![CDATA[Jhon Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Rodríguez]]></surname>
<given-names><![CDATA[Gilbert]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfaro-Valero]]></surname>
<given-names><![CDATA[Claudia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Servicio Geológico Colombiano Grupo de Investigación y Exploración de Recursos Geotérmicos ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>2</numero>
<fpage>71</fpage>
<lpage>88</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832019000200071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832019000200071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832019000200071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se generaron modelos de temperatura a partir de Sondeos Superficiales de Temperatura (SST) y Sensores Remotos (SR), con imágenes Landsat 8 TIRS para el área geotérmica de Paipa. El rango de temperaturas a 20 cm de profundidad fluctúa entre los 17,04°C y 19,14°C. A 150 cm de profundidad, los valores de temperatura oscilan entre 16,81°C a 19,66°C. La normalización de los valores de temperatura en profundidad (20 cm y 150 cm) en función de la temperatura superficial, elimina el efecto de la radiación solar y permite comparar las temperaturas calculadas con SR tanto en superficie como en profundidad. El coeficiente de correlación de Pearson muestra que existen en su mayoría correlaciones negativas en profundidad (-0,1955) y algunas correlaciones positivas en superficie (0,3125) entre los mapas de anomalía de SST y SR. A su vez se incluyó un análisis de anomalías de uranio (38U) (0 ppm y 205,7 ppm), torio (32Th) (0,6 ppm y 94,2 ppm) y potasio (40K) (0% y 11,8%), mediante espectrometría de rayos gamma, topografía (entre 2500 msnm y 3200 msnm) y las anomalías de temperatura estimadas, encontrando altos y bajos con coincidencia espacial entre las variables.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Temperature models were generated from Shallow Temperature Surveys (SST) and Remote Sensing (SR) with Landsat 8 TIRS images for Paipa geothermal area. The temperature range at 20 cm depth fluctuates between 17.04°C and 19.14°C. At 150 cm depth, the temperature values range from 16.81°C to 19.66°C. The normalization of the temperature values in depth (20 cm and 150 cm) as a function of the surface temperature eliminates the effect of the solar radiation and allows to compare the temperatures calculated with SR both in surface and depth. Pearson correlation coefficient measure shows that there are mostly negative correlations in depth (-0.1955) and some positive surface correlations (0.3125) between SST and SR anomaly maps. In turn, an analysis of uranium (38U) (0 ppm and 205.7 ppm), thorium (32Th) (0.6 ppm and 94.2 ppm) and potasio (40K) (0% and 11.8%) anomalies by gamma ray spectrometry, topography (between 2500 mals and 3200 mals) and the estimated temperature anomalies, finding highs and lows with spatial matching between the variables.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Exploración geotérmica]]></kwd>
<kwd lng="es"><![CDATA[sondeos superficiales de temperatura]]></kwd>
<kwd lng="es"><![CDATA[sensores remotos]]></kwd>
<kwd lng="es"><![CDATA[procesamiento digital de imágenes de satélite]]></kwd>
<kwd lng="es"><![CDATA[geoestadística]]></kwd>
<kwd lng="es"><![CDATA[Pearson.]]></kwd>
<kwd lng="en"><![CDATA[Geothermal exploration]]></kwd>
<kwd lng="en"><![CDATA[shallow temperatures surveys]]></kwd>
<kwd lng="en"><![CDATA[remote sensing]]></kwd>
<kwd lng="en"><![CDATA[digital processing of satellite images]]></kwd>
<kwd lng="en"><![CDATA[geostatistics]]></kwd>
<kwd lng="en"><![CDATA[Pearson.]]></kwd>
</kwd-group>
</article-meta>
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