<?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>2663-3981</journal-id>
<journal-title><![CDATA[Revista cartográfica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. cartogr.]]></abbrev-journal-title>
<issn>2663-3981</issn>
<publisher>
<publisher-name><![CDATA[Instituto Panamericano de Geografía e Historia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2663-39812024000100029</article-id>
<article-id pub-id-type="doi">10.35424/rcarto.i108.4099</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mapeo espacial-temporal de la cobertura nival en la Sierra del Aconquija, provincias de Tucumán y Catamarca, Argentina, de 2014 a 2021]]></article-title>
<article-title xml:lang="en"><![CDATA[Spatial-temporal mapping of snow cover in the Aconquija mountain range, Tucumán and Catamarca provinces, Argentina, from 2014 to 2021]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toledo]]></surname>
<given-names><![CDATA[Mario Arnaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ibañez Palacios]]></surname>
<given-names><![CDATA[Gloria Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ahumada]]></surname>
<given-names><![CDATA[Ana Lía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Miguel Lillo Instituto de Geología del Cuaternario y Paleoclimas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Miguel Lillo Instituto de Geología del Cuaternario y Paleoclimas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Consejo Nacional de Investigaciones Científicas y Técnicas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<numero>108</numero>
<fpage>29</fpage>
<lpage>52</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2663-39812024000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2663-39812024000100029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2663-39812024000100029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El clima de montaña desempeña un papel significativo en la distribución de los recursos hídricos, debido a la altitud y a la circulación atmosférica regional. En estas áreas, las temperaturas promedio son más bajas y se presentan con frecuencia precipitaciones en forma de granizo y/o nieve. Estas condiciones climáticas tienen una marcada influencia en la preservación de los glaciares de escombros emplazados en las cumbres y que contienen importantes reservorios de recursos hídricos congelados conocidos como &#8220;permafrost de montaña&#8221;. El presente trabajo tuvo como objetivo delimitar espacialmente y temporalmente las áreas cubiertas por nieve entre los años 2014 y 2021, con el propósito de identificar zonas criogénicas nivales estacionales, que favorecerían su permanencia. Para el mapeo de la nieve se consideró el índice NDSI (Índice de Nieve de Diferencia Normalizada) de las escenas satelitales Landsat 8 OLI-TIRS y Sentinel 2A y el producto MOD10A2. Estas escenas se circunscriben a la sierra del Aconquija, límite natural entre las provincias de Tucumán y Catamarca. Se obtuvieron las áreas cubiertas de nieve para cada año y las alturas máximas y mínimas, con software libre Qgis 3.12.1 y el Modelo Digital de Elevación SRTM1S28W066V3 con resolución de 1segundo de arco. Los mapas obtenidos muestran que las nevadas se presentaron entre los meses de enero a mayo. La mayor nevada cubrió un área total de 46569,7 ha y un Área Máxima de 4 3030,3 ha. Las Alturas Máximas de nieve no han tenido grandes variaciones, presentándose entre los 4998 y 5534 msnm, pero las Alturas Mínimas han variado notablemente, entre los 4347 y 2649 msnm. Los resultados proporcionan datos innovadores y significativos para comprender de manera más exhaustiva la distribución de la cobertura nival en la Sierra del Aconquija. Los mismos pueden constituir la fundamentación de diversos estudios hidrológicos en la alta cuenca.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Mountain climate plays a significant role in the distribution of water resources due to altitude and regional atmospheric circulation. In these areas, average temperatures are lower, and hail and/or snowfall frequently occur. These climatic conditions have a marked influence on the preservation of rock glaciers located on the summits, which contain important frozen water resources known as &#8220;mountain permafrost.&#8221; The objective of this study was to spatially and temporally delimit the snow-covered areas between 2014 and 2021 to identify seasonal snow cryogenic zones that would support their persistence. The Normalized Difference Snow Index (NDSI) of Landsat 8 OLI-TIRS and Sentinel 2A satellite scenes, as well as the MOD10A2 product, were used for snow mapping. These scenes are located in the Aconquija mountain range, a natural boundary between the provinces of Tucumán and Catamarca. Snow-covered areas for each year and maximum and minimum elevations were obtained using specific open-source software QGIS 3.12.1 and the SRTM1S28W066V3 Digital Elevation Model with a 1-second arc resolution. The maps obtained show that snowfall occurred between January and May. The largest snowfall covered a total area of 46569,7 ha, with a maximum area of 43030,3 ha. Maximum snow heights have not varied significantly, ranging from 4998 to 5534 masl, but minimum heights have varied notably, between 4347 and 2649 masl. The results provide innovative and significant data to better understand snow cover distribution in the Aconquija Mountain Range, serving as the foundation for various hydrological studies in the upper basin.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sierra del Aconquija]]></kwd>
<kwd lng="es"><![CDATA[Cobertura nival]]></kwd>
<kwd lng="es"><![CDATA[Índice NDSI]]></kwd>
<kwd lng="es"><![CDATA[Glaciares de escombros]]></kwd>
<kwd lng="es"><![CDATA[Sensores remotos]]></kwd>
<kwd lng="en"><![CDATA[Aconquija mountain range]]></kwd>
<kwd lng="en"><![CDATA[Snow cover]]></kwd>
<kwd lng="en"><![CDATA[NDSI index]]></kwd>
<kwd lng="en"><![CDATA[Rock glaciers]]></kwd>
<kwd lng="en"><![CDATA[Remote sensors]]></kwd>
</kwd-group>
</article-meta>
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