<?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>0187-6236</journal-id>
<journal-title><![CDATA[Atmósfera]]></journal-title>
<abbrev-journal-title><![CDATA[Atmósfera]]></abbrev-journal-title>
<issn>0187-6236</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-62362022000300577</article-id>
<article-id pub-id-type="doi">10.20937/atm.52943</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Seasonal variation of atmospheric bulk deposition along an urbanization gradient in Nuevo Leon, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loya-González]]></surname>
<given-names><![CDATA[Darithsa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cantú-Silva]]></surname>
<given-names><![CDATA[Israel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Rodríguez]]></surname>
<given-names><![CDATA[Humberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Serna]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfaro-Barbosa]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Linares Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Químicas ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>577</fpage>
<lpage>599</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-62362022000300577&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-62362022000300577&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-62362022000300577&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Bulk deposition was studied along an urbanization gradient in the state of Nuevo Leon, Mexico. During a yearlong period seven sites within the Metropolitan Area of Monterrey (MAM) and two rural sites (Allende and Linares) were monitored, with the purpose of characterizing deposition and identifying possible patterns between sites. A total of 32 rainfall events were collected. An average pH of 7.15 ± 0.02 was found, which indicates the presence of neutralizing substances in rainwater, as well as an average Electrical Conductivity of 153.96 ± 6.83 &#956;S/cm. The annual accumulated deposition follows the descending order Ca&gt; K&gt; Mg&gt; Fe&gt; Zn&gt; Mn&gt; Cu&gt; Cd&gt; Ni and does not show significant differences between urban and rural areas, with the exception of Ca (p = 0.017). The Principal Component Analysis shows that metals (Cu, Zn, Ni, Mn, and Cd) represent an important pathway in the deposition phenomena and this behavior is maintained through the urbanization gradient, which denotes that the rural areas could be connected to the air basin of the MAM. Seasonal deposition showed that Zn, Fe, Cd, Cu, Ni, Mn Ca, and Mg are higher during autumn and K during winter. Enrichment Factors shows that Zn and Cd were highly enriched, Cu and Ni were moderately enriched, and Ca, K, and Mn were not enriched. Finally, backward trajectories for rural sites showed that only for Allende site a possible carry-over of pollutants is observed during the summer, since the wind currents come preferably from the northern part of the MAM.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se estudió la deposición atmosférica a granel en un gradiente de urbanización en el estado de Nuevo León, México. Se monitorearon siete sitios dentro del Área Metropolitana de Monterrey (AMM) y dos sitios rurales (Allende y Linares) durante un año, con el propósito de identificar posibles patrones entre sitios. Un total de 32 eventos de lluvia fueron considerados. Se encontró un pH promedio de 7.15 ± 0.02, indicando la presencia de sustancias neutralizantes en la lluvia, así como una Conductividad Eléctrica promedio de 153.96 ± 6.83 &#956;S/cm. La deposición acumulada anual sigue el orden decreciente Ca&gt; K&gt; Mg&gt;Fe&gt; Zn&gt; Mn&gt; Cu&gt; Cd&gt; Ni y no muestra diferencias significativas entre zonas urbanas y rurales, excepto para Ca (p = 0.017). El Análisis de Componentes Principales identificó que los metales (Cu, Zn, Ni, Mn y Cd) caracterizan el depósito atmosférico dentro del AMM, comportamiento que se mantiene en todo el gradiente de urbanización, denotando que la cuenca de aire urbana pudiera estar conectada con la rural. La estacionalidad mostró que la presencia de Zn, Fe, Cd, Cu, Ni, Mn Ca y Mg es alta durante otoño, y K durante invierno. Los factores de enriquecimiento exponen que Zn y Cd se encuentran muy enriquecidos, Cu y Ni moderadamente enriquecidos y, Ca, K y Mn no enriquecidos. Finalmente, las trayectorias para los vientos que arribaron a los sitios rurales revelan que sólo en Allende pudiera darse un arrastre de contaminantes durante verano, ya que las corrientes principales atraviesan la parte norte del AMM.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Bulk deposition]]></kwd>
<kwd lng="en"><![CDATA[seasonal variations]]></kwd>
<kwd lng="en"><![CDATA[urbanization gradient]]></kwd>
<kwd lng="en"><![CDATA[metals]]></kwd>
<kwd lng="en"><![CDATA[Principal Component Analysis]]></kwd>
</kwd-group>
</article-meta>
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<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Yuan]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trace metals in atmospheric fine particles in one industrial urban city: spatial variations, sources, and health implications]]></article-title>
<source><![CDATA[Journal of Environmental Sciences]]></source>
<year>2014</year>
<volume>26</volume>
<page-range>205-13</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
