<?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>0123-4226</journal-id>
<journal-title><![CDATA[Revista U.D.C.A Actualidad & Divulgación Científica]]></journal-title>
<abbrev-journal-title><![CDATA[rev.udcaactual.divulg.cient.]]></abbrev-journal-title>
<issn>0123-4226</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Aplicadas y Ambientales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-42262021000100024</article-id>
<article-id pub-id-type="doi">10.31910/rudca.v24.n1.2021.1678</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de calidad del agua en la Quebrada Jui, afluente del río Sinú, Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Water quality assessment in Quebrada Jui, tributary of the Sinú river, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Álvarez]]></surname>
<given-names><![CDATA[Urledys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinedo-Hernández]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paternina-Uribe]]></surname>
<given-names><![CDATA[Roberth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marrugo-Negrete]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Córdoba Maestría en Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[Montería Córdoba]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Córdoba Maestría en Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[Montería Córdoba]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Córdoba Maestría en Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[Montería Córdoba]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Córdoba Grupo de Aguas Química Aplicada y Ambiental, Laboratorio de Toxicología y Gestión Ambiental]]></institution>
<addr-line><![CDATA[Montería Córdoba]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-42262021000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-42262021000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-42262021000100024&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La microcuenca de la quebrada Jui, enmarcada dentro de la cuenca alta del río Sinú, región Caribe de Colombia, es uno de los recursos hídricos utilizados por la población rural para consumo, riego y saneamiento; sin embargo, recibe cargas contaminadas de centros poblados en su área de influencia, que corresponden al vertimiento de aguas residuales, afluentes de laguna de oxidación, actividades ganaderas, extracción de arena, agricultura de pancoger y cultivos no formales. El objetivo de este estudio fue determinar el índice de calidad del agua (ICA) y establecer la relación entre los parámetros fisicoquímicos y microbiológicos con las diferentes fuentes antropogénicas, para establecer origen común de contaminación. Además, el análisis de plaguicidas organoclorados y organofosforados, para conocer la influencia de las actividades agrícolas. Se tomaron muestras en seis estaciones, en el periodo seco y húmedo del 2018. Las concentraciones de los parámetros fisicoquímicos y microbiológicos, se analizaron empleando los métodos estandarizados de la American Public Health Association. Los plaguicidas, se cuantificaron por el método cromatografía de gases con espectrometría de masas (GC-MS). En promedio, el ICA fue 74,1, clasificando la fuente hídrica con buena calidad, exceptuando las estaciones (E4 y E5), en el periodo húmedo, cuya clasificación fue media, debido al aporte de coliformes fecales y turbidez. La concentración de plaguicidas, se presentó por debajo del límite de detección del método. En general, el análisis estadístico multivariado indica que las fuentes de contaminación derivan de aguas residuales domésticas, escorrentía agrícola, excretas del ganado porcino y minería de arena.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The micro-base of the Jui creek, framed within the upper Sinú River basin, Colombia Caribbean region, is one of the water resources used by the rural population for consumption, irrigation and sanitation. However, it receives contaminated loads from urban centers in its area of influence that correspond to the discharge wastewater, oxidation lagoon tributaries, livestock activities, sand extraction, agriculture and non-formal crops. The objective of this study was to determine the water quality index (ICA) and establish the relationship between the physical-chemical and microbiological parameters with the different anthropogenic sources to establish a common source of contamination. In addition, the analysis of organochlorinated and organophosphate pesticides to understand the influence of agricultural activities. Samples were taken in six seasons, in the dry and humid period of 2018. Concentrations of physical-chemical and microbiological parameters were analyzed using the American Public Health Association's standardized methods. The pesticides were quantified by the gas chromatography method with mass spectrometry (GC-MS). On average the WQI was 74.1 classifying the water source with good quality, except the seasons (E4 and E5) in the wet period, the classification of which was average, due to the contribution of fecal coliforms and turbidity. The concentration of pesticides was below the detection limit of the method. In general, multivariate statistical analysis indicates that sources of pollution are from domestic wastewater, agricultural runoff, pig excretions and sand mining.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Índice de calidad del agua]]></kwd>
<kwd lng="es"><![CDATA[Río Sinú]]></kwd>
<kwd lng="es"><![CDATA[Recursos hídricos]]></kwd>
<kwd lng="es"><![CDATA[Origen contaminación]]></kwd>
<kwd lng="en"><![CDATA[Water quality index]]></kwd>
<kwd lng="en"><![CDATA[Sinu river]]></kwd>
<kwd lng="en"><![CDATA[Water resources]]></kwd>
<kwd lng="en"><![CDATA[Contamination origin]]></kwd>
</kwd-group>
</article-meta>
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