<?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>0185-3880</journal-id>
<journal-title><![CDATA[Ciencias marinas]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. mar]]></abbrev-journal-title>
<issn>0185-3880</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-38802022000100101</article-id>
<article-id pub-id-type="doi">10.7773/cm.y2022.3168</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Seasonal and interannual variability in chlorophyll concentration and primary productivity off Campeche, Gulf of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Variabilidad estacional e interanual de la concentración de clorofila y de la productividad primaria frente al estado de Campeche, golfo de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quetz-Que]]></surname>
<given-names><![CDATA[Santiago J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Lara]]></surname>
<given-names><![CDATA[José Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solana-Arellano]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parés-Sierra]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada División de Oceanología ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,aff2  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>48</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802022000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802022000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802022000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. The objective of this work was to characterize the spatiotemporal variability in satellite-derived chlorophyll concentration (Chlsat), primary productivity (PP), sea surface temperature (SST), and sea surface height (SSH) in the Campeche Bank from July 2002 to December 2018. Monthly composites of Chlsat and SST (MODIS-Aqua sensor) and SSH (COPERNICUS) were downloaded. PP compositions were downloaded from the Oregon State University web page. Four transects running perpendicular (T1 to T4) and 1 parallel (T5) to the coast of Campeche were studied. Time series and Hovmöller diagrams were constructed to study the spatial and temporal variations. The Chlsat in T1 to T4 showed a clear separation between an inner zone (0-60 km) and an outer zone (60-200 km). The inner neritic zone showed maximum Chlsat (&gt;2.5 mg·m-3) and PP (&gt;2 g C·m-2·d-1) values in the rainy season and minimum values in the dry season (&lt;2 mg·m-3 and &lt;2 g C·m-2·d-1, respectively) because freshwater input in the inner zone provides nutrients for phytoplankton growth. The outer neritic zone showed the highest Chlsat (&gt;0.6 mg·m-3) and PP (&gt;0.7 g C·m-2·d-1) values during cold fronts and the lowest during the dry season (&lt;0.3 mg·m-3 and &lt;0.4 g C·m-2·d-1) because cold fronts mix the water column and thus carry nutrients into the euphotic zone. SST showed maximum values (&gt;30 °C) during the rainy season and minimum values (&lt;22 °C) during cold fronts; maximum SSH (&gt;0.40 m) occurred during cold fronts, and minimum SSH (&lt;0.25 m) occurred during the dry season.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. El objetivo de este trabajo fue caracterizar la variabilidad espaciotemporal de clorofila satelital (Clsat), productividad primaria (PP), temperatura de la superficie del mar (TSM) y altura del nivel del mar (ANM) de julio de 2002 a diciembre de 2018 en el banco de Campeche. Se descargaron composiciones mensuales de Clsat y TSM del sensor MODIS-Aqua, y de ANM de la página COPERNICUS. Las composiciones de PP se descargaron de la página de internet de la Universidad Estatal de Oregón. Se estudiaron 4 transectos de 200 km perpendiculares a la costa de Campeche (T1 a T4), y 1 de 300 km paralelo a la misma (T5). Se construyeron series de tiempo y diagramas Hovmöller para estudiar las variaciones espaciales y temporales. La Clsat en T1 a T4 mostró una distinción entre una zona interior (0-60 km) y una exterior (60-200 km). La zona nerítica interior presentó los máximos de Clsat (&gt;2.5 mg·m-3) y PP (&gt;2 g C·m-2·d-1) en época de lluvias y los mínimos en época de secas (&lt;2 mg·m-3 y &lt;2 g C·m-2·d-1, respectivamente), ya que los aportes de nutrientes por escorrentía a la zona interior proveen nutrientes para el fitoplancton. La zona nerítica exterior presentó los máximos de Clsat (&gt;0.6 mg·m-3) y PP (&gt;0.7 g C·m-2·d-1) durante los frentes fríos y los mínimos en secas (&lt;0.3 mg·m-3 y &lt;0.4 g C·m-2·d-1), debido a que los frentes fríos generan mezcla de la columna de agua y, consecuentemente, acarrean nutrientes hacia la zona eufótica. TSM presentó máximos (&gt;30 °C) en época de lluvias y mínimos (&lt;22 °C) durante frentes fríos; la ANM tuvo máximos (&gt;0.40 m) durante frentes fríos y mínimos (&lt;0.25 m) en época de secas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[chlorophyll concentration]]></kwd>
<kwd lng="en"><![CDATA[sea surface temperature]]></kwd>
<kwd lng="en"><![CDATA[sea surface height]]></kwd>
<kwd lng="en"><![CDATA[area off Campeche]]></kwd>
<kwd lng="en"><![CDATA[Gulf of Mexico]]></kwd>
<kwd lng="es"><![CDATA[concentración de clorofila]]></kwd>
<kwd lng="es"><![CDATA[temperatura superficial del mar]]></kwd>
<kwd lng="es"><![CDATA[altura del nivel del mar]]></kwd>
<kwd lng="es"><![CDATA[zona frente a Campeche]]></kwd>
<kwd lng="es"><![CDATA[golfo de México]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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