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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Field evidence of swash groundwater circulation in the microtidal rousty beach, France</title>
<creator>Sous, Damien</creator>
<creator>Petitjean, Lise</creator>
<creator>BOUCHETTE, Frederic</creator>
<creator>Rey, Vincent</creator>
<creator>Meulé, Samuel</creator>
<creator>Sabatier, Francois</creator>
<creator>Martins, Kevin</creator>
<contributor>Institut méditerranéen d'océanologie (MIO) ; Institut de Recherche pour le Développement (IRD) - Aix Marseille Université (AMU) - Institut de recherche pour le développement [IRD] : UMR235 - Université de Toulon (UTLN) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Risques ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Centre européen de recherche et d'enseignement de géosciences de l'environnement (CEREGE) ; Institut de Recherche pour le Développement (IRD) - Aix Marseille Université (AMU) - Collège de France (CdF) - Institut national des sciences de l'Univers (INSU - CNRS) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>University of Bath [Bath]</contributor>
<description>International audience</description>
<source>ISSN: 0309-1708</source>
<source>Advances in Water Resources</source>
<publisher>Elsevier</publisher>
<identifier>hal-01412450</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01412450</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01412450</source>
<source>Advances in Water Resources, Elsevier, 2016, 97, pp.144-155. 〈10.1016/j.advwatres.2016.09.009〉</source>
<identifier>DOI : 10.1016/j.advwatres.2016.09.009</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.advwatres.2016.09.009</relation>
<language>en</language>
<subject lang=en>Sand beach</subject>
<subject lang=en>Porous media</subject>
<subject lang=en>Swash zone</subject>
<subject lang=en>Groundwater circulation</subject>
<subject>[SDU.STU.OC] Sciences of the Universe [physics]/Earth Sciences/Oceanography</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>This manuscript reports on a novel field experiment carried out on a microtidal beach in Camargue, France. For the first time in the field, a comprehensive description of the groundwater dynamics under sandy beach swash zone is presented. A cross-shore network of 15 buried pressure sensors is combined with terrestrial LiDAR measurements to study the swash-groundwater dynamics. The presented data focus on the decay of a moderate storm which allows to monitor the evolution of the groundwater pressure field in response to the retreat of the swash zone. Both horizontal and vertical head gradients are measured within the porous sand soil to estimate the groundwater flow field using Darcy’s law. Time-averaged analysis demonstrates the presence of a rather consistent groundwater circulation pattern under the swash zone, shifting offshore with the swash zone. The main tendency is an offshore directed flow, with infiltration/exfiltration in the upper/lower parts of the swash zone. Time-resolved analysis highlights the typical groundwater response to swash events which consists mainly of an overall infiltration flow during the bed inundation by the swash tongue, a seaward flow during the swash retreat and, for long backwash events, a localized exfiltration flow under the next incoming uprush.</description>
<date>2016-11</date>
</dc>
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