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Caractérisation multi-échelle des structures hydrogéologiques en contexte volcanique insulaire par électromagnétisme héliporté : application à l'île de La Réunion Preview this item
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Caractérisation multi-échelle des structures hydrogéologiques en contexte volcanique insulaire par électromagnétisme héliporté : application à l'île de La Réunion

Author: Marc DumontJean-Lambert JoinLaurent MichonNathalie DörfligerRoger Guérin, géophysicien).All authors
Publisher: 2018.
Dissertation: Thèse de doctorat : Hydrogéophysique : La Réunion : 2018.
Edition/Format:   Computer file : Document : Thesis/dissertation : French
Summary:
L'île de La Réunion a été couverte par une vaste campagne de géophysique héliportée en 2014. Le dispositif SkyTEM a permis de cartographier l'anomalie du champ magnétique et la résistivité électrique du sous-sol jusqu'à 300 m de profondeur, et ce, sur l'ensemble de l'île. L'acquisition de ce jeu de données met en évidence la problématique de l'interprétation des données électromagnétiques
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Details

Genre/Form: Thèses et écrits académiques
Material Type: Document, Thesis/dissertation, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Marc Dumont; Jean-Lambert Join; Laurent Michon; Nathalie Dörfliger; Roger Guérin, géophysicien).; Jean-Christophe Comte; Université de la Réunion.; École doctorale Sciences, Technologies et Santé (Saint-Denis, La Réunion).; Laboratoire GéoSciences Réunion (Saint-Denis, Réunion).
OCLC Number: 1076558718
Notes: Titre provenant de l'écran-titre.
Description: 1 online resource
Responsibility: Marc Dumont ; sous la direction de Jean-Lambert Join.

Abstract:

L'île de La Réunion a été couverte par une vaste campagne de géophysique héliportée en 2014. Le dispositif SkyTEM a permis de cartographier l'anomalie du champ magnétique et la résistivité électrique du sous-sol jusqu'à 300 m de profondeur, et ce, sur l'ensemble de l'île. L'acquisition de ce jeu de données met en évidence la problématique de l'interprétation des données électromagnétiques héliportées à l'échelle régionale. L'interprétation d'un modèle 3D de résistivité d'une superficie 2 500 km2 nécessite la mise en place de méthodologies innovantes pour le confronter aux données géologiques, climatiques et hydrogéologiques. L'objectif de la thèse est de valoriser ce jeu de données géophysique à l'échelle régionale en intégrant l'analyse hydrogéologique à différentes échelles spatiales. Pour répondre à ces problématiques, cette thèse s'organise autour d'une méthodologie hydrogéophysique multi-échelle qui permet d'étudier la répartition et le fonctionnement des aquifères à des échelles inédites jusqu'alors. Pour interpréter les 350 000 sondages électromagnétiques de la campagne, une approche statistique a été développée pour synthétiser une information sur les contrastes 3D en 2D. Les résultats, cohérents avec les connaissances géologiques et hydrogéologiques de l'île, ont permis d'analyser l'impact des paramètres géologiques et climatiques régionaux sur la répartition des aquifères et les processus d'altération. Sur le littoral, les données de résistivité sont confrontées à des logs de conductivité électrique de l'eau souterraine afin de valider l'interprétation de la géophysique. Le modèle de résistivité permet ainsi de cartographier et d'analyser les paramètres de contrôle du phénomène d'intrusion saline à l'échelle de l'île. En altitude, l'utilisation conjointe des données électromagnétiques et magnétiques héliportées permet de caractériser la géométrie des structures géologiques et d'imager les profils et paléo-profils d'altération météorique.

In 2014, Reunion Island was covered by a vast airborne geophysics campaign. The SkyTEM device mapped magnetic anomalies and bulk resistivity at an extra 300 m depth throughout the island. The resulting dataset revealed the issue of interpreting airborne electromagnetic data at the regional scale. The interpretation of a 3D resistivity model wrapping 2 500 km2 requires the implementation of innovative methodologies to compare it with geological, climatic and hydrogeological data. The aim of the thesis is to enhance this geophysical dataset at the regional scale by integrating hydrogeological analysis at different spatial scales. To answer these issues, this thesis revolves around a multi-scale hydrogeophysical methodology, which allows to analyze how aquifers are distributed and their behaviors on unprecedented scales. A statistical approach has been developed to synthesize 3D geo-electrical contrasts in 2D to interpret the 350 000 soundings. All outcomes are consistent with the geological and hydrogeological knowledge of the island, enabling us to study how regional geological and climatic parameters impact the distribution of aquifers and weathering processes. In the coastal zone, resistivity data are compared with groundwater electrical conductivity logs to validate the interpretation of geophysics. Thus, the resistivity model helped mapping saltwater intrusion and analyzing its control parameters at the island scale. Inland, the combined use of airborne electromagnetic and magnetic data made it possible to characterize the geometry of geological structures and to image weathering profiles and paleo-profiles. Combining results gathered on various scales allows the analysis of weathering impact on aquifers of shield volcanoes. On the coastal zone, un-weathered and highly permeable lithological units (up to 10-1 m/s) are subject to saltwater intrusion, even with recharge rates up to 6 to 8 m per year. With decreasing transmissivity, aquifers become less exposed to saltwater intrusion. According to geophysics outcomes, the contacts between different eruptive phase products at high altitude are characterized by specific weathering paleo-profiles which create permeability contrasts conducive to perched aquifers establishment. Examining the geophysical response in different areas of the island made it possible to analyze the dynamics of weathering processes, initially controlled by the age of the formations and secondly, by the rainfall rates and the temperature. These results showed that weathering and structure of basaltic volcanoes depend on their age and on windward/leeward slopes. Thus, our research helped improve the accuracy of the conceptual hydrogeological model including geological structuring and time evolution of basaltic volcanic aquifers in an insular environment.

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\n\n

Primary Entity<\/h3>\n
<http:\/\/www.worldcat.org\/oclc\/1076558718<\/a>> # Caract\u00E9risation multi-\u00E9chelle des structures hydrog\u00E9ologiques en contexte volcanique insulaire par \u00E9lectromagn\u00E9tisme h\u00E9liport\u00E9 : application \u00E0 l\'\u00EEle de La R\u00E9union<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nbgn:ComputerFile<\/a>, schema:CreativeWork<\/a>, schema:MediaObject<\/a>, bgn:Thesis<\/a> ;\u00A0\u00A0\u00A0\nbgn:inSupportOf<\/a> \"Th\u00E8se de doctorat : Hydrog\u00E9ophysique : La R\u00E9union : 2018.<\/span>\" ;\u00A0\u00A0\u00A0\nlibrary:oclcnum<\/a> \"1076558718<\/span>\" ;\u00A0\u00A0\u00A0\nlibrary:placeOfPublication<\/a> <http:\/\/id.loc.gov\/vocabulary\/countries\/fr<\/a>> ;\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/hydrogeophysique<\/a>> ; # Hydrog\u00E9ophysique<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/electromagnetisme<\/a>> ; # \u00C9lectromagn\u00E9tisme<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/intrusion_saline<\/a>> ; # Intrusion saline<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/meteorisation_geomorphologie_effets_du_climat_la_reunion_france_ile<\/a>> ; # M\u00E9t\u00E9orisation (g\u00E9omorphologie)--Effets du climat--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/eau_salee_empietement_la_reunion_france_ile<\/a>> ; # Eau sal\u00E9e--Empi\u00E8tement--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/alteration<\/a>> ; # Alt\u00E9ration<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/geophysique_heliportee<\/a>> ; # G\u00E9ophysique h\u00E9liport\u00E9e<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/milieu_volcanique_basaltique<\/a>> ; # Milieu volcanique basaltique<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/hydrogeologie_la_reunion_france_ile<\/a>> ; # Hydrog\u00E9ologie--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/ile_de_la_reunion<\/a>> ; # \u00CEle de La R\u00E9union<\/span>\n\u00A0\u00A0\u00A0\nschema:author<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/dumont_marc_1988<\/a>> ; # Marc Dumont<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/guerin_roger_19_geophysicien<\/a>> ; # g\u00E9ophysicien). Roger Gu\u00E9rin<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/michon_laurent<\/a>> ; # Laurent Michon<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/join_jean_lambert<\/a>> ; # Jean-Lambert Join<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/universite_de_la_reunion<\/a>> ; # Universit\u00E9 de la R\u00E9union.<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/dorfliger_nathalie_19<\/a>> ; # Nathalie D\u00F6rfliger<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/laboratoire_geosciences_reunion_saint_denis_reunion<\/a>> ; # Laboratoire G\u00E9oSciences R\u00E9union (Saint-Denis, R\u00E9union).<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/ecole_doctorale_sciences_technologies_et_sante_saint_denis_la_reunion<\/a>> ; # \u00C9cole doctorale Sciences, Technologies et Sant\u00E9 (Saint-Denis, La R\u00E9union).<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/comte_jean_christophe<\/a>> ; # Jean-Christophe Comte<\/span>\n\u00A0\u00A0\u00A0\nschema:datePublished<\/a> \"2018<\/span>\" ;\u00A0\u00A0\u00A0\nschema:description<\/a> \"L\'\u00EEle de La R\u00E9union a \u00E9t\u00E9 couverte par une vaste campagne de g\u00E9ophysique h\u00E9liport\u00E9e en 2014. Le dispositif SkyTEM a permis de cartographier l\'anomalie du champ magn\u00E9tique et la r\u00E9sistivit\u00E9 \u00E9lectrique du sous-sol jusqu\'\u00E0 300 m de profondeur, et ce, sur l\'ensemble de l\'\u00EEle. L\'acquisition de ce jeu de donn\u00E9es met en \u00E9vidence la probl\u00E9matique de l\'interpr\u00E9tation des donn\u00E9es \u00E9lectromagn\u00E9tiques h\u00E9liport\u00E9es \u00E0 l\'\u00E9chelle r\u00E9gionale. L\'interpr\u00E9tation d\'un mod\u00E8le 3D de r\u00E9sistivit\u00E9 d\'une superficie 2 500 km2 n\u00E9cessite la mise en place de m\u00E9thodologies innovantes pour le confronter aux donn\u00E9es g\u00E9ologiques, climatiques et hydrog\u00E9ologiques. L\'objectif de la th\u00E8se est de valoriser ce jeu de donn\u00E9es g\u00E9ophysique \u00E0 l\'\u00E9chelle r\u00E9gionale en int\u00E9grant l\'analyse hydrog\u00E9ologique \u00E0 diff\u00E9rentes \u00E9chelles spatiales. Pour r\u00E9pondre \u00E0 ces probl\u00E9matiques, cette th\u00E8se s\'organise autour d\'une m\u00E9thodologie hydrog\u00E9ophysique multi-\u00E9chelle qui permet d\'\u00E9tudier la r\u00E9partition et le fonctionnement des aquif\u00E8res \u00E0 des \u00E9chelles in\u00E9dites jusqu\'alors. Pour interpr\u00E9ter les 350 000 sondages \u00E9lectromagn\u00E9tiques de la campagne, une approche statistique a \u00E9t\u00E9 d\u00E9velopp\u00E9e pour synth\u00E9tiser une information sur les contrastes 3D en 2D. Les r\u00E9sultats, coh\u00E9rents avec les connaissances g\u00E9ologiques et hydrog\u00E9ologiques de l\'\u00EEle, ont permis d\'analyser l\'impact des param\u00E8tres g\u00E9ologiques et climatiques r\u00E9gionaux sur la r\u00E9partition des aquif\u00E8res et les processus d\'alt\u00E9ration. Sur le littoral, les donn\u00E9es de r\u00E9sistivit\u00E9 sont confront\u00E9es \u00E0 des logs de conductivit\u00E9 \u00E9lectrique de l\'eau souterraine afin de valider l\'interpr\u00E9tation de la g\u00E9ophysique. Le mod\u00E8le de r\u00E9sistivit\u00E9 permet ainsi de cartographier et d\'analyser les param\u00E8tres de contr\u00F4le du ph\u00E9nom\u00E8ne d\'intrusion saline \u00E0 l\'\u00E9chelle de l\'\u00EEle. En altitude, l\'utilisation conjointe des donn\u00E9es \u00E9lectromagn\u00E9tiques et magn\u00E9tiques h\u00E9liport\u00E9es permet de caract\u00E9riser la g\u00E9om\u00E9trie des structures g\u00E9ologiques et d\'imager les profils et pal\u00E9o-profils d\'alt\u00E9ration m\u00E9t\u00E9orique.<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\nschema:description<\/a> \"In 2014, Reunion Island was covered by a vast airborne geophysics campaign. The SkyTEM device mapped magnetic anomalies and bulk resistivity at an extra 300 m depth throughout the island. The resulting dataset revealed the issue of interpreting airborne electromagnetic data at the regional scale. The interpretation of a 3D resistivity model wrapping 2 500 km2 requires the implementation of innovative methodologies to compare it with geological, climatic and hydrogeological data. The aim of the thesis is to enhance this geophysical dataset at the regional scale by integrating hydrogeological analysis at different spatial scales. To answer these issues, this thesis revolves around a multi-scale hydrogeophysical methodology, which allows to analyze how aquifers are distributed and their behaviors on unprecedented scales. A statistical approach has been developed to synthesize 3D geo-electrical contrasts in 2D to interpret the 350 000 soundings. All outcomes are consistent with the geological and hydrogeological knowledge of the island, enabling us to study how regional geological and climatic parameters impact the distribution of aquifers and weathering processes. In the coastal zone, resistivity data are compared with groundwater electrical conductivity logs to validate the interpretation of geophysics. Thus, the resistivity model helped mapping saltwater intrusion and analyzing its control parameters at the island scale. Inland, the combined use of airborne electromagnetic and magnetic data made it possible to characterize the geometry of geological structures and to image weathering profiles and paleo-profiles. Combining results gathered on various scales allows the analysis of weathering impact on aquifers of shield volcanoes. On the coastal zone, un-weathered and highly permeable lithological units (up to 10-1 m\/s) are subject to saltwater intrusion, even with recharge rates up to 6 to 8 m per year. With decreasing transmissivity, aquifers become less exposed to saltwater intrusion. According to geophysics outcomes, the contacts between different eruptive phase products at high altitude are characterized by specific weathering paleo-profiles which create permeability contrasts conducive to perched aquifers establishment. Examining the geophysical response in different areas of the island made it possible to analyze the dynamics of weathering processes, initially controlled by the age of the formations and secondly, by the rainfall rates and the temperature. These results showed that weathering and structure of basaltic volcanoes depend on their age and on windward\/leeward slopes. Thus, our research helped improve the accuracy of the conceptual hydrogeological model including geological structuring and time evolution of basaltic volcanic aquifers in an insular environment.<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\nschema:exampleOfWork<\/a> <http:\/\/worldcat.org\/entity\/work\/id\/5592947543<\/a>> ;\u00A0\u00A0\u00A0\nschema:genre<\/a> \"Th\u00E8ses et \u00E9crits acad\u00E9miques<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\nschema:inLanguage<\/a> \"fr<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Caract\u00E9risation multi-\u00E9chelle des structures hydrog\u00E9ologiques en contexte volcanique insulaire par \u00E9lectromagn\u00E9tisme h\u00E9liport\u00E9 : application \u00E0 l\'\u00EEle de La R\u00E9union<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\nschema:productID<\/a> \"1076558718<\/span>\" ;\u00A0\u00A0\u00A0\nschema:url<\/a> <https:\/\/tel.archives-ouvertes.fr\/tel-01940195<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/www.theses.fr\/2018LARE0010\/abes<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/www.theses.fr\/2018LARE0010\/document<\/a>> ;\u00A0\u00A0\u00A0\nwdrs:describedby<\/a> <http:\/\/www.worldcat.org\/title\/-\/oclc\/1076558718<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

Related Entities<\/h3>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/ecole_doctorale_sciences_technologies_et_sante_saint_denis_la_reunion<\/a>> # \u00C9cole doctorale Sciences, Technologies et Sant\u00E9 (Saint-Denis, La R\u00E9union).<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Organization<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"\u00C9cole doctorale Sciences, Technologies et Sant\u00E9 (Saint-Denis, La R\u00E9union).<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/laboratoire_geosciences_reunion_saint_denis_reunion<\/a>> # Laboratoire G\u00E9oSciences R\u00E9union (Saint-Denis, R\u00E9union).<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Organization<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Laboratoire G\u00E9oSciences R\u00E9union (Saint-Denis, R\u00E9union).<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Organization\/universite_de_la_reunion<\/a>> # Universit\u00E9 de la R\u00E9union.<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Organization<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Universit\u00E9 de la R\u00E9union.<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/comte_jean_christophe<\/a>> # Jean-Christophe Comte<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Comte<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Jean-Christophe<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Jean-Christophe Comte<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/dorfliger_nathalie_19<\/a>> # Nathalie D\u00F6rfliger<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"19..<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \"\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"D\u00F6rfliger<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Nathalie<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Nathalie D\u00F6rfliger<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/dumont_marc_1988<\/a>> # Marc Dumont<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"1988<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \"\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Dumont<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Marc<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Marc Dumont<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/guerin_roger_19_geophysicien<\/a>> # g\u00E9ophysicien). Roger Gu\u00E9rin<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"19..<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \";<\/span>\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Gu\u00E9rin<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Roger<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"g\u00E9ophysicien). Roger Gu\u00E9rin<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/join_jean_lambert<\/a>> # Jean-Lambert Join<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Join<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Jean-Lambert<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Jean-Lambert Join<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Person\/michon_laurent<\/a>> # Laurent Michon<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Michon<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Laurent<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Laurent Michon<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/alteration<\/a>> # Alt\u00E9ration<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Alt\u00E9ration<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/geophysique_heliportee<\/a>> # G\u00E9ophysique h\u00E9liport\u00E9e<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"G\u00E9ophysique h\u00E9liport\u00E9e<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/hydrogeophysique<\/a>> # Hydrog\u00E9ophysique<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Hydrog\u00E9ophysique<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/ile_de_la_reunion<\/a>> # \u00CEle de La R\u00E9union<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"\u00CEle de La R\u00E9union<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/intrusion_saline<\/a>> # Intrusion saline<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Intrusion saline<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Thing\/milieu_volcanique_basaltique<\/a>> # Milieu volcanique basaltique<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Milieu volcanique basaltique<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/eau_salee_empietement_la_reunion_france_ile<\/a>> # Eau sal\u00E9e--Empi\u00E8tement--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Eau sal\u00E9e--Empi\u00E8tement--La R\u00E9union (France ; \u00EEle)<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/electromagnetisme<\/a>> # \u00C9lectromagn\u00E9tisme<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"\u00C9lectromagn\u00E9tisme<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/hydrogeologie_la_reunion_france_ile<\/a>> # Hydrog\u00E9ologie--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Hydrog\u00E9ologie--La R\u00E9union (France ; \u00EEle)<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5592947543#Topic\/meteorisation_geomorphologie_effets_du_climat_la_reunion_france_ile<\/a>> # M\u00E9t\u00E9orisation (g\u00E9omorphologie)--Effets du climat--La R\u00E9union (France ; \u00EEle)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"M\u00E9t\u00E9orisation (g\u00E9omorphologie)--Effets du climat--La R\u00E9union (France ; \u00EEle)<\/span>\"@fr<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/id.loc.gov\/vocabulary\/countries\/fr<\/a>>\u00A0\u00A0\u00A0\u00A0a \nschema:Place<\/a> ;\u00A0\u00A0\u00A0\ndcterms:identifier<\/a> \"fr<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.theses.fr\/2018LARE0010\/document<\/a>>\u00A0\u00A0\u00A0\nrdfs:comment<\/a> \"Acc\u00E8s au texte int\u00E9gral<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.worldcat.org\/title\/-\/oclc\/1076558718<\/a>>\u00A0\u00A0\u00A0\u00A0a \ngenont:InformationResource<\/a>, genont:ContentTypeGenericResource<\/a> ;\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/www.worldcat.org\/oclc\/1076558718<\/a>> ; # Caract\u00E9risation multi-\u00E9chelle des structures hydrog\u00E9ologiques en contexte volcanique insulaire par \u00E9lectromagn\u00E9tisme h\u00E9liport\u00E9 : application \u00E0 l\'\u00EEle de La R\u00E9union<\/span>\n\u00A0\u00A0\u00A0\nschema:dateModified<\/a> \"2020-04-20<\/span>\" ;\u00A0\u00A0\u00A0\nvoid:inDataset<\/a> <http:\/\/purl.oclc.org\/dataset\/WorldCat<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

Content-negotiable representations<\/p>\n