<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222019000100269</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2019-01-11</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación del caudal base a partir de tres filtros de separación en una cuenca de la Cordillera de la Costa, región del Biobío, Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of base flow by three filter of separation in a catchment of Coast Mountain range, Biobío región, Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustamante-Ortega]]></surname>
<given-names><![CDATA[Ramón Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rutherford-Yobanolo]]></surname>
<given-names><![CDATA[Patricio Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garcia-Lancaster]]></surname>
<given-names><![CDATA[Alex Dan Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Investigaciones Forestales Bioforest S.A.  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Estudios Agrarios y Ambientales  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,OITEC Ltda.  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>269</fpage>
<lpage>289</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222019000100269&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222019000100269&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222019000100269&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Varios autores han demostrado que el uso de metodologías empíricas, como el Método Gráfico o el uso de filtros, generan una estimación razonable del caudal base, pero varios supuestos deben ser asumidos en su proceso de cálculo, lo cual dificulta la comparación entre ellos, sobre todo entre rutinas programadas al interior de un software. Para evitar la incertidumbre del origen de los parámetros y procedimientos usados, el objetivo del estudio fue usar tres filtros de separación de caudal base (algoritmos de Lyne &amp; Hollick, Chapman y Eckhardt) que presentan algunos ejemplos de su aplicación alrededor del mundo, donde se detallan los procedimientos de cálculo. Tal es el caso del parámetro &#945;, que comparten estos filtros, determinado por medio de la curva de recesión maestra (&#120572;=&#119890; &#8722;&#119896; ), lo cual evita asumir su típico valor de &#120572; = 0.925, usado regularmente. Los resultados de caudal base calculados para la cuenca ubicada al interior del predio María de las Cruces, en la cordillera de la costa del centro-sur de Chile (37° S), demostraron que el filtro de Lyne &amp; Hollick representó el comportamiento del caudal base en función de la escorrentía superficial y el momento hidrológico reflejado por el régimen de las precipitaciones. De acuerdo a los datos obtenidos de una estación fluviométrica se observó que para el periodo 2009-2014, el modelo presentó un caudal de escorrentía compuesto principalmente por el caudal base (BFI de 0.67 en promedio), lo que es similar a lo obtenido por medio del Método Gráfico, principalmente para los caudales estivales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Several authors have demonstrated that use of empirical methodologies, such as Graphical Separation and filtering methods, generate a rational estimation of base flow, but many assumptions should be assumed in its calculation process, which difficult its comparison overall between routines programmed inside softwares. To avoid the uncertainty of source of parameters and procedure used, the aim of study was to use three separation filters of base flow (algorithms of Lyne &amp; Hollick, Chapman and Eckhardt) which present several examples of its use around of world, where detailed clearly procedure of calculation. Example of this is the parameter, that all those filters share it and it was defined through Master Recession Curve, avoiding this way to assume its typical value of = 0.925 used regularly. Results of base flow calculated for basin located inside of field María de las Cruces, in the mountain of the coast of the south central of Chile (37°S), demonstrated that the filter Lyne &amp; Hollick represented the behavior of base flow in function of runoff flow and moment hydrologic reflected by precipitations regime. According to data obtained of gauge station observed that present period 2009-2014, the model presented a flow of runoff compounded mainly for base flow (BFI of 0.67 in average), what is similar got with Graphical Separation method, mainly for the summer flows.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[caudal base]]></kwd>
<kwd lng="es"><![CDATA[filtros]]></kwd>
<kwd lng="es"><![CDATA[curva de recesión maestra]]></kwd>
<kwd lng="es"><![CDATA[índice BFI]]></kwd>
<kwd lng="en"><![CDATA[Base flow]]></kwd>
<kwd lng="en"><![CDATA[filters]]></kwd>
<kwd lng="en"><![CDATA[master recessive curve]]></kwd>
<kwd lng="en"><![CDATA[BFI index]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aksoy]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kurt]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Eris]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Filtered smoothed minima baseflow separation method]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2009</year>
<volume>372</volume>
<numero>1-4</numero>
<issue>1-4</issue>
<page-range>94-101</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arnold]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Automated methods for estimating baseflow and ground water recharge from streamflow records]]></article-title>
<source><![CDATA[Journal of the American Water Resources Association]]></source>
<year>1999</year>
<volume>35</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>411-24</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balocchi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Pizarro]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Olivares]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modelamiento matemático de caudales recesivos en la región mediterránea andina del Maule; el caso del estero Upeo, Chile]]></article-title>
<source><![CDATA[Tecnología y Ciencias del Agua]]></source>
<year>2014</year>
<volume>5</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>179-88</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Berhail]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ouerdachi]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Boutaghane]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Use of the Recession Index as Indicator for Components of Flow]]></article-title>
<source><![CDATA[Energy Procedia]]></source>
<year>2012</year>
<volume>18</volume>
<page-range>741-50</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bren]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Forest Hydrology and Catchment Management. An Australian Perspective]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Springer Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Dordrecht]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Buttle]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotope hydrograph separations and rapid delivery of pre-event water from drainage basins]]></article-title>
<source><![CDATA[Progress in Physical Geography]]></source>
<year>1994</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>16-41</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chapman]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comment on &#8220;Evaluation of automated techniques for base flow and recession analyses&#8221;]]></article-title>
<source><![CDATA[Water Resources Research]]></source>
<year>1991</year>
<volume>27</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1783-4</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Collischonn]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Defining parameters for Eckhardt's digital baseflow filter]]></article-title>
<source><![CDATA[Hydrological Processes]]></source>
<year>2012</year>
<volume>27</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>2614-22</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<collab>Dirección General de Aguas</collab>
<source><![CDATA[Mapoteca digital]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Santiago de Chile, Chile ]]></publisher-loc>
<publisher-name><![CDATA[Ministerio de Obras Públicas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eckhardt]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How to construct recursive digital filters for baseflow separation]]></article-title>
<source><![CDATA[Hydrological Processes]]></source>
<year>2005</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>507-15</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eckhardt]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of baseflow indices, which were calculated with seven different baseflow separation methods]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2008</year>
<volume>352</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>168-73</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huyck]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pauwels]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Verhoest]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A base flow separation algorithm based on the linearized Boussinesq equation for complex hillslopes]]></article-title>
<source><![CDATA[Water Resources Research]]></source>
<year>2005</year>
<volume>41</volume>
<numero>8</numero>
<issue>8</issue>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kendall]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rank correlation methods]]></source>
<year>1975</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Griffin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klaus]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[McDonnell]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hydrograph separation using stable isotopes: Review and evaluation]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2013</year>
<volume>505</volume>
<page-range>47-64</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ladson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Neal]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Nathan]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A standard approach to baseflow separation using the Lyne and Hollick filter]]></article-title>
<source><![CDATA[Australian Journal of Water Resources]]></source>
<year>2013</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Larocque]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fortin]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Pharand]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivard]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Groundwater contribution to river flows - using hydrograph separation, hydrological and hydrogeological models in a southern Quebec aquifer]]></article-title>
<source><![CDATA[Hydrology and Earth System Sciences Discussions]]></source>
<year>2010</year>
<volume>7</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>7809-38</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Engel]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Muthukrishnan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tripathy]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Automated web gis based hydrograph analysis tool, WHAT]]></article-title>
<source><![CDATA[Journal of the American Water Resources Association]]></source>
<year>2005</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1407-16</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lvovich]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hydrologic budget of continents and estimate of the balance of global fresh water resources]]></article-title>
<source><![CDATA[Sov. Hydrol]]></source>
<year>1972</year>
<volume>4</volume>
<page-range>360-439</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyne]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Hollick]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stochastic time-variable rainfall-runoff modelling]]></article-title>
<source><![CDATA[Institute of Engineers Australia National Conference]]></source>
<year>1979</year>
<volume>79</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>89-93</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<collab>OMM</collab>
<source><![CDATA[Guía de prácticas hidrológicas. Adquisición y proceso de datos, análisis, predicción y otras aplicaciones]]></source>
<year>1994</year>
<numero>168</numero>
<edition>5</edition>
<issue>168</issue>
<page-range>818</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pizarro]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Novoa]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Elementos técnicos de hidrología: Instructivos técnicos]]></source>
<year>1986</year>
<publisher-loc><![CDATA[Santiago, Chile ]]></publisher-loc>
<publisher-name><![CDATA[Ministerio de Agricultura, Corporación Nacional Forestal IV Región]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pizarro-Tapia]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Balocchi-Contreras]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Chevesich]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Macaya-Perez]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bro]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[León-Gutiérrez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[On Redefining the Onset of Baseflow Recession on Storm Hydrographs]]></article-title>
<source><![CDATA[Open Journal of Modern Hydrology]]></source>
<year>2013</year>
<volume>03</volume>
<numero>04</numero>
<issue>04</issue>
<page-range>269-77</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Posavec]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bacani]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nakic]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Visual Basic Spreadsheet Macro for Recession Curve Analysis]]></article-title>
<source><![CDATA[Ground Water]]></source>
<year>2006</year>
<volume>44</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>764-7</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Posavec]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Parlov]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Naki&#263;]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fully Automated Objective-Based Method for Master Recession Curve Separation]]></article-title>
<source><![CDATA[Ground Water]]></source>
<year>2010</year>
<volume>48</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>598-603</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smakhtin]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low flow hydrology]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2001</year>
<volume>240</volume>
<numero>3-4</numero>
<issue>3-4</issue>
<page-range>147-86</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spongberg]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spectral analysis of base flow separation with digital filters]]></article-title>
<source><![CDATA[Water Resources Research]]></source>
<year>2000</year>
<volume>36</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>745-52</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stadnyk]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Gibson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Longstaffe]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Basin-Scale Assessment of Operational Base Flow Separation Methods]]></article-title>
<source><![CDATA[Journal of Hydrologic Engineering]]></source>
<year>2015</year>
<volume>20</volume>
<numero>5</numero>
<issue>5</issue>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Toebes]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Morrissey]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Shorter]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hendy]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Base-flow recession curves]]></source>
<year>1969</year>
<publisher-loc><![CDATA[Wellington, New Zealand ]]></publisher-loc>
<publisher-name><![CDATA[A. R. Shearer, Government Printer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Welderufael]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Woyessa]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stream flow analysis and comparison of base flow separation methods, case study of the Modder river basin in central South Africa]]></article-title>
<source><![CDATA[European Water]]></source>
<year>2010</year>
<volume>31</volume>
<page-range>2-12</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Chow]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Danielescu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Baseflow separation in a small watershed in New Brunswick, Canada, using a recursive digital filter calibrated with the conductivity mass balance method]]></article-title>
<source><![CDATA[Hydrological Processes]]></source>
<year>2012</year>
<volume>27</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>2659-65</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
