<?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>0256-7024</journal-id>
<journal-title><![CDATA[Revista Geológica de América Central]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Geol. Amér. Central]]></abbrev-journal-title>
<issn>0256-7024</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0256-70242018000200071</article-id>
<article-id pub-id-type="doi">10.15517/rgac.v59i0.34160</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Conductividad hidráulica en dos sitios del Valle Central de Costa Rica: análisis comparativo de tres metodologías de ensayo en la zona no saturada]]></article-title>
<article-title xml:lang="en"><![CDATA[Hydraulic conductivity in two sites of the Central Valley of Costa Rica: comparative analysis of three methodologies of testing in the vadose zone]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[Asdrúbal]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano]]></surname>
<given-names><![CDATA[Federico]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ICE Centro Servicio Exploración Subterránea ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hidrogeotecnia Ltda  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<numero>59</numero>
<fpage>71</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0256-70242018000200071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0256-70242018000200071&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0256-70242018000200071&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se presentan los resultados de 15 ensayos de conductividad hidráulica realizados en la zona no saturada con los métodos del permeámetro Guelph (PG), método de Porchet (MP) y doble anillo (DA) en dos puntos con un suelo limoso en la finca del AYA en Alajuela y en tres sitios con un suelo limo-arenoso en las instalaciones deportivas de la UCR. Valores de conductividad hidráulica saturada de campo K  fs fueron obtenidos a partir de diferentes metodologías de cálculo. Los tres métodos de ensayo consiguen registrar una mayor permeabilidad en los suelos de la UCR, coincidente con un comportamiento más arenoso. En términos comparativos, las estimaciones de K  fs son mayores para el procedimiento de Doble Anillo, seguidas por las estimaciones hechas con el Método de Porchet y, finalmente valores menores fueron obtenidos para el Permeámetro Guelph. Esta misma tendencia ha sido reportada en la literatura internacional. Los autores de este trabajo interpretan que los menores valores obtenidos con PG responden a la inclusión de efectos capilares en las ecuaciones de cálculo de K  fs y, principalmente a cortos periodos de saturación y monitoreo durante la ejecución de los ensayos MP y DA.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article presents a comparative analysis of 15 hydraulic conductivity field tests performed in the vadose zone at two sites in Central Valley of Costa Rica, characterized by silt and sandy-silt soils. Conductivity tests included Guelph permeameter (GP), Porchet (PM) and Double Ring (DR) methods. All three methods indicates higher field saturated conductivity (K  fs ) values at sandy-silt soils as expected. Calculated K  fs values show the same trend reported in various scientific publication were DR &gt;PM&gt;GP. Authors interpreted lower values of K  fs obtained for GP as the result of: consideration of capillarity effects in the mathematical formulation, and more importantly the effects of short periods of pre-saturation and monitoring, during execution of PM and DR tests.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[hydraulic conductivity]]></kwd>
<kwd lng="en"><![CDATA[vadose zone]]></kwd>
<kwd lng="en"><![CDATA[Guelph permeameter]]></kwd>
<kwd lng="en"><![CDATA[Porchet method]]></kwd>
<kwd lng="en"><![CDATA[double ring method]]></kwd>
<kwd lng="es"><![CDATA[conductividad hidráulica]]></kwd>
<kwd lng="es"><![CDATA[zona no saturada]]></kwd>
<kwd lng="es"><![CDATA[permeámetro Guelph]]></kwd>
<kwd lng="es"><![CDATA[método de Porchet y doble anillo]]></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[Alvarado]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Barahona]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de tres métodos de infiltración para calcular el balance hídrico del suelo, en la cuenca del río Suquiapa, El Salvador]]></article-title>
<source><![CDATA[Cuadernos de Investigación]]></source>
<year>2017</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>23-33</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Angulo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Bagarello]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Iovino]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lassabatere]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Infiltration measurements for soil hydraulic characterization.]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
<publisher-name><![CDATA[Springer International Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Archer]]></surname>
<given-names><![CDATA[N.A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonell]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Macdonald]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Coles]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A constant head well permeameter formula comparison: Its significance in the estimation of field-saturated hydraulic conductivity in heterogeneous shallow soils]]></article-title>
<source><![CDATA[Hydrology Research]]></source>
<year>2014</year>
<volume>45</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>788-805</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<collab>ASTM</collab>
<source><![CDATA[Standard guide for comparison of field methods for determining hydraulic conductivity in the vadose zone.]]></source>
<year>1990</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[American Society for Testing and Materials]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bagarello]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of well preparation on field-saturated hydraulic conductivity measured with the Guelph Permeameter.]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>1997</year>
<volume>80</volume>
<page-range>169-80</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bear]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Dynamics of fluids in porous media]]></source>
<year>1988</year>
<edition>3rded</edition>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Dover Publications]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boivin]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Touma]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variabilité spatiale de l&#8217;infiltrabilité d&#8217;un sol mesurée par la méthode du double anneau]]></article-title>
<source><![CDATA[Cah. Orstom, Sér. Pédol,]]></source>
<year>1988</year>
<volume>24</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>227-34</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bosch]]></surname>
<given-names><![CDATA[D. D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Constant head permeameter formula dependence on Alpha Parameter]]></article-title>
<source><![CDATA[Transactions of the ASAE]]></source>
<year>1997</year>
<volume>40</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1377-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Comegna]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Damiani]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[D'Anna]]></surname>
<given-names><![CDATA[F. y]]></given-names>
</name>
<name>
<surname><![CDATA[Ruggiero]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of different filed methods for determining the hydraulic conductivity curve of a volcanic Vesuvian soil]]></article-title>
<source><![CDATA[Geoderma]]></source>
<year>1996</year>
<volume>73</volume>
<page-range>231-44</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Custodio]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[LLamas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Hidrología subterránea]]></source>
<year>1983</year>
<publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones Omega]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dos Santos]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Corrêa]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Ensaios de Permeabilidade em Solo: Orientações para sua Execução no campo]]></source>
<year>1996</year>
<edition>3ra ed</edition>
<publisher-loc><![CDATA[Sao Paulo. Brasil ]]></publisher-loc>
<publisher-name><![CDATA[Asociación Brasileña de Geología de Ingeniería]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ebrahimi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Moradi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of Guelph permeameter and double ring infiltrometer methods for estimating the saturated hydraulic conductivity in sandy soils]]></article-title>
<source><![CDATA[International journal of research in engineering &amp;advanced technology]]></source>
<year>2015</year>
<volume>3</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>218-22</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elrick]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W. D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Methods for analyzing constant head well permeameter data]]></article-title>
<source><![CDATA[Soil Sci. Soc. Am. J]]></source>
<year>1992</year>
<volume>56</volume>
<page-range>320-3</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elrick]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W. D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Measuring water transmission parameters in vadose zone using ponded infiltration techniques]]></article-title>
<source><![CDATA[Agricultural Sciences]]></source>
<year>2002</year>
<volume>7</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>17-22</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Foster]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ellis]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Losilla]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of Volcanic Tuffs in GroundWater Regime of Valle Central, Costa Rica]]></article-title>
<source><![CDATA[Ground Water]]></source>
<year>1985</year>
<volume>23</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>795-801</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<collab>La Gaceta</collab>
<article-title xml:lang=""><![CDATA[Metodologías hidrogeológicas para la evaluación del recurso hídrico]]></article-title>
<source><![CDATA[Imprenta Nacional]]></source>
<year>2010</year>
<volume>243</volume>
<numero>CXXXII</numero>
<issue>CXXXII</issue>
<page-range>34-9</page-range><publisher-loc><![CDATA[San José ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Rudra]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Parkin]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of spatial variability of hydraulic conductivity at field scale]]></article-title>
<source><![CDATA[Canadian biosystemsengineering]]></source>
<year>2006</year>
<volume>48</volume>
<page-range>1.55-62</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoek]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Rock Slope Engineering]]></source>
<year>1981</year>
<edition>3rd ed</edition>
<publisher-loc><![CDATA[Institution of Mining and Metallurgy ]]></publisher-loc>
<publisher-name><![CDATA[Londres]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lambe]]></surname>
<given-names><![CDATA[T.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitman]]></surname>
<given-names><![CDATA[R.V]]></given-names>
</name>
</person-group>
<source><![CDATA[Mecánica de suelos]]></source>
<year>1995</year>
<edition>2a ed.</edition>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Limusa, S.A]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Frutos]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de parámetros hidrodinámicos en un acuífero volcánico libre fracturado en Costa Rica. Parte I]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>2016</year>
<volume>55</volume>
<page-range>167-83</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas Jr]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis numérico de sensibilidad para el transporte de virus en el subsuelo de una zona del GAM]]></article-title>
<source><![CDATA[Congreso COREHISA 2016]]></source>
<year>2016</year>
<page-range>20-9</page-range><publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estimación de parámetros hidrodinámicos en un acuífero volcánico libre fracturado en Costa Rica. Parte II. Modelo de doble porosidad]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>2017</year>
<volume>56</volume>
<page-range>69-81</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas Jr]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sracek]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Comparative analysis of two methodologies to estimate well protection zones for transport of viruses from septic tanks in volcanic aquifers in Costa Rica]]></article-title>
<source><![CDATA[Environ Earth Sci]]></source>
<year>2017</year>
<volume>76</volume>
<page-range>244</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mohanty]]></surname>
<given-names><![CDATA[B. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Kanwar]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Everts]]></surname>
<given-names><![CDATA[C. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of saturated hydraulic conductivity measurement methods for a glacial-till soil]]></article-title>
<source><![CDATA[Soil Science Society of American Journal]]></source>
<year>1994</year>
<volume>58</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>672-7</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Propiedades físicas, hidráulicas y mecánicas de suelos de origen volcánico, en sitios seleccionados del Valle Central, Costa Rica]]></article-title>
<source><![CDATA[Revista Gelógica de América Central]]></source>
<year>1998</year>
<volume>21</volume>
<page-range>81-98</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Mata]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Portuguez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Costa Rica: acceso a agua para consumo humano y saneamiento al año 2012 y su ubicación por la satisfacción de calidad del agua y calidad de vida en el contexto mundial 2006-2010]]></source>
<year>2013</year>
<publisher-loc><![CDATA[San José ]]></publisher-loc>
<publisher-name><![CDATA[Laboratorio Nacional de Aguas, Instituto Costarricense de Acueductos y Alcantarillados]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Noshadi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Parvizi]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sepaskhah]]></surname>
<given-names><![CDATA[A.L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of different methods for measuring field saturated hydraulic conductivity under high and low water table]]></article-title>
<source><![CDATA[Vadose Zone J]]></source>
<year>2012</year>
<volume>11</volume>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oosterbaan]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nijland]]></surname>
<given-names><![CDATA[H. J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determining the saturated hydraulic conductivity]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ritzema]]></surname>
<given-names><![CDATA[H. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Drainage principles and applications]]></source>
<year>1994</year>
<page-range>435-76</page-range><publisher-loc><![CDATA[The Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[International institute for land reclamation and improvement publication.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Acuña]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Laudiano]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Reinjected water return at Miravalles geothermal reservoir, Costa Rica: Numerical modelling and observations]]></source>
<year>1996</year>
<conf-name><![CDATA[ 21thworkshop on geothermal reservoir engineering]]></conf-name>
<conf-loc>Stanford, California </conf-loc>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Phillip]]></surname>
<given-names><![CDATA[J. R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The theory of infiltration: Sorptivity and algebraic infiltration equations]]></article-title>
<source><![CDATA[Soil Science]]></source>
<year>1957</year>
<volume>84</volume>
<page-range>257-64</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<collab>Plangam</collab>
<source><![CDATA[Plan regional de ordenamiento territorial de la Gran Área Metropolitana, Plan Gam 2013-2030. San José: Consejo Nacional de Planificación Urbana]]></source>
<year>2018</year>
<publisher-name><![CDATA[Secretaría Plan Nacional de Desarrollo Urbano. Ministerio de Vivienda y Asentamientos Humanos]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prieto]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Támara]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Peroza]]></surname>
<given-names><![CDATA[J.A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparación de dos métodos de campo para la determinación de la conductividad hidráulica saturada en suelos del Sinú (Córdoba, Colombia)]]></article-title>
<source><![CDATA[Temas Agrarios]]></source>
<year>2006</year>
<volume>11</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>36-44</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Elrick]]></surname>
<given-names><![CDATA[D.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Topp]]></surname>
<given-names><![CDATA[G.C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A reexamination of the constant head well permeameter method for measuring saturated hydraulic conductivity above the water table]]></article-title>
<source><![CDATA[Soil Sci]]></source>
<year>1983</year>
<volume>136</volume>
<page-range>250-68</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[W.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Elrick]]></surname>
<given-names><![CDATA[D.E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ponded infiltration from a single ring: Analysis of steady flow]]></article-title>
<source><![CDATA[Soil Sci . Soc. Am. J]]></source>
<year>1990</year>
<volume>54</volume>
<page-range>1233-41</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fraile]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[&amp; Hirata]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tendencias en las concentraciones de nitratos y determinación de su origen mediante isótopos estables (18Oy 15N) en las aguas subterráneas del oeste del Valle Central, Costa Rica]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Kindle]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Morera]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Recurso hídrico en la zona Norte de Heredia: La experiencia de la UNA]]></source>
<year>2006</year>
<page-range>127-54</page-range><publisher-loc><![CDATA[Heredia, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rico]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Del-Castillo]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[La ingeniería de suelos en las vías terrestres, carreteras, ferrocarriles y aeropistas]]></source>
<year>1998</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[D.F. Editorial Limusa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodio]]></surname>
<given-names><![CDATA[S.A]]></given-names>
</name>
</person-group>
<source><![CDATA[Mesures des permeabilites en place]]></source>
<year>1960</year>
<publisher-loc><![CDATA[Paris ]]></publisher-loc>
<publisher-name><![CDATA[Cooperation Technique A.S.T.E.F]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Normas para el cálculo del tiempo de tránsito entre los drenajes de tanques sépticos y las fuentes de agua subterránea.]]></source>
<year>1994</year>
<publisher-loc><![CDATA[San José, Costa Rica. Instituto Costarricense de Acueductos y Alcantarillados ]]></publisher-loc>
<publisher-name><![CDATA[Departamento de recursos hídricos]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Loaiciga]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Planning urban growth in ground water recharge area: Central Valley, Costa Rica]]></source>
<year>1995</year>
<conf-name><![CDATA[ Groundwater Monitoring and Remediation, Summer Costa Rican Conference]]></conf-name>
<conf-loc> </conf-loc>
<page-range>144-8</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roose]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Blancaneaux]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[De Freitas]]></surname>
<given-names><![CDATA[P.L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Un simple test de terrain pour évaluer la capacité d&#8217;infiitration et le comportement hydrodynamique des horizons pédologiques superficiels: Méthodeet exemples]]></article-title>
<source><![CDATA[Cah. Orstom, Sér. P&amp;Ol]]></source>
<year>1993</year>
<volume>28</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>413-9</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<collab>Senara</collab>
<source><![CDATA[]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sobierag]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Elsenbeer]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Cameron]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Scale dependency in spatial patterns of saturated hydraulic conductivity]]></article-title>
<source><![CDATA[Catena]]></source>
<year>2004</year>
<volume>55</volume>
<page-range>49-77</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="">
<collab>Soilmoisture</collab>
<source><![CDATA[2800 Operating instructions, Guelph permeameter. Santa Barbara, California Soilmoisture Equipment Corp]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torfs]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluation of field methods to determine hydraulic properties of stony soils in arid zones of Chile]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Axelsson]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemical tracer test in Las Pailas Geothermal field, Costa Rica]]></source>
<year>2018</year>
<conf-name><![CDATA[ Proc. World Geothermal Congress 2015]]></conf-name>
<conf-loc>Melbourne, Australia </conf-loc>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tricker]]></surname>
<given-names><![CDATA[A.S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The infiltration cylinder: some comments on its use]]></article-title>
<source><![CDATA[Journal of hydrology]]></source>
<year>1978</year>
<volume>36</volume>
<page-range>383-91</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valverde]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Riego y drenaje]]></source>
<year>1998</year>
<edition>1era ed</edition>
<publisher-loc><![CDATA[San José, Costa Rica ]]></publisher-loc>
<publisher-name><![CDATA[EUNED]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Hoorn]]></surname>
<given-names><![CDATA[J.W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determining hydraulic conductivity with the inversed auger hole and infiltrometer methods]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Wesseling]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Proceedings of the International Drainage Workshop 16-20 May 1978]]></source>
<year>1978</year>
<page-range>150-4</page-range><publisher-loc><![CDATA[Wageningen, The Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[International institute for land reclamation and improvement.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zangar]]></surname>
<given-names><![CDATA[C. N]]></given-names>
</name>
</person-group>
<source><![CDATA[Theory and problems of water percolation. Denver, Colorado]]></source>
<year>1953</year>
<publisher-loc><![CDATA[United States department of the interior, Bureau of Reclamation ]]></publisher-loc>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
