{"id":10488,"date":"2025-08-20T14:53:05","date_gmt":"2025-08-21T00:53:05","guid":{"rendered":"https:\/\/recherche.upf.pf\/?post_type=evenement&#038;p=10488"},"modified":"2025-08-20T14:53:08","modified_gmt":"2025-08-21T00:53:08","slug":"semini-gepasud","status":"publish","type":"evenement","link":"https:\/\/recherche.upf.pf\/ty\/evenement\/semini-gepasud\/","title":{"rendered":"S\u00e9mini GEPASUD"},"content":{"rendered":"<p class=\"qtranxs-available-languages-message qtranxs-available-languages-message-ty\">D\u00e9sol\u00e9, ce contenu est uniquement disponible en <a href=\"https:\/\/recherche.upf.pf\/fr\/wp-json\/wp\/v2\/evenement\/10488\" class=\"qtranxs-available-language-link qtranxs-available-language-link-fr\" title=\"Fran\u00e7ais\">Fran\u00e7ais<\/a>.<\/p><p><em><strong>Titre<\/strong>&nbsp;: Ondes sismiques de surface dans des milieux de complexit\u00e9 croissante : applications \u00e0 l\u2019\u00e9tude de la zone critique.<\/em><\/p>\n\n\n\n<p><em><strong>R\u00e9sum\u00e9<\/strong>&nbsp;: L\u2019analyse des ondes de surface s\u2019impose&nbsp;aujourd\u2019hui&nbsp;comme un outil cl\u00e9 pour caract\u00e9riser les propri\u00e9t\u00e9s m\u00e9caniques des sols et des roches et imager les h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9s proches de la surface. Avec l\u2019\u00e9mergence de nouveaux dispositifs (r\u00e9seaux denses, mesures distribu\u00e9es, suivi continu), les applications se multiplient en g\u00e9otechnique, hydrog\u00e9ophysique et g\u00e9osciences. Pourtant, les approches op\u00e9rationnelles restent fond\u00e9es sur des hypoth\u00e8ses simplifi\u00e9es (ondes planes, milieux \u00e9lastiques stratifi\u00e9s), souvent \u00e9loign\u00e9es de la complexit\u00e9 r\u00e9elle des terrains. Depuis plusieurs ann\u00e9es, nous d\u00e9veloppons des approches combinant mod\u00e9lisation num\u00e9rique et exp\u00e9rimentale afin de mieux comprendre la propagation des ondes dans des milieux poreux et non consolid\u00e9s. Ces travaux visent \u00e0 am\u00e9liorer l\u2019interpr\u00e9tation des m\u00e9thodes bas\u00e9es sur les ondes de surface et leur utilisation en conditions r\u00e9elles. Nous discuterons \u00e9galement de leur capacit\u00e9 \u00e0 d\u00e9tecter des anomalies de rigidit\u00e9 ou de compaction dans les sols, \u00e0 suivre les variations spatio-temporelles de teneur en eau, et plus g\u00e9n\u00e9ralement \u00e0 contribuer \u00e0 la caract\u00e9risation g\u00e9ologique et hydrog\u00e9ologique des milieux superficiels. Nous proposerons enfin des pistes de d\u00e9veloppement rendues possibles par les r\u00e9cents progr\u00e8s instrumentaux et num\u00e9riques.<br><br><strong>Ludovic Bodet<\/strong>&nbsp;: Enseignant-chercheur, Sorbonne Universit\u00e9 \u2013 Responsable de l\u2019\u00e9quipe \u00ab G\u00e9ophysique \u00bb \u00e0 l\u2019UMR METIS et de la plateforme instrumentale d\u2019observation de la Zone Critique \u00e0 l\u2019OSU ECCE TERRA). Ses recherches portent sur la mod\u00e9lisation physique et num\u00e9rique de la propagation des ondes, l\u2019imagerie sismique multi-\u00e9chelles et le traitement du signal et les probl\u00e8mes inverses en g\u00e9ophysique<\/em><\/p>","protected":false},"author":253,"featured_media":0,"template":"","coauthors":[499],"class_list":["post-10488","evenement","type-evenement","status-publish","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S\u00e9mini GEPASUD &#8226; Recherche UPF<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/recherche.upf.pf\/ty\/evenement\/semini-gepasud\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u00e9mini GEPASUD &#8226; Recherche UPF\" \/>\n<meta property=\"og:description\" content=\"D\u00e9sol\u00e9, ce contenu est uniquement disponible en Fran\u00e7ais. Titre&nbsp;: Ondes sismiques de surface dans des milieux de complexit\u00e9 croissante : applications \u00e0 l\u2019\u00e9tude de la zone critique. R\u00e9sum\u00e9&nbsp;: L\u2019analyse des ondes de surface s\u2019impose&nbsp;aujourd\u2019hui&nbsp;comme un outil cl\u00e9 pour caract\u00e9riser les propri\u00e9t\u00e9s m\u00e9caniques des sols et des roches et imager les h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9s proches de la surface.&hellip; Continue reading S\u00e9mini GEPASUD\" \/>\n<meta property=\"og:url\" content=\"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/\" \/>\n<meta property=\"og:site_name\" content=\"Recherche UPF\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/univpf\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T00:53:08+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@univpf\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n\t<meta name=\"twitter:label2\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data2\" content=\"Alice Enjalbal\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/semini-gepasud\\\/\",\"url\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/semini-gepasud\\\/\",\"name\":\"S\u00e9mini GEPASUD &#8226; Recherche UPF\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#website\"},\"datePublished\":\"2025-08-21T00:53:05+00:00\",\"dateModified\":\"2025-08-21T00:53:08+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/semini-gepasud\\\/#breadcrumb\"},\"inLanguage\":\"ty\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/semini-gepasud\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/semini-gepasud\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/recherche.upf.pf\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u00c9v\u00e9nements\",\"item\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/evenement\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"S\u00e9mini GEPASUD\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/\",\"name\":\"Recherche - Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise\",\"description\":\"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise\",\"publisher\":{\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#organization\"},\"alternateName\":\"Recherche UPF\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ty\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#organization\",\"name\":\"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise\",\"url\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ty\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/recherche.upf.pf\\\/wp-content\\\/uploads\\\/2021\\\/02\\\/Logo-UPF.png\",\"contentUrl\":\"https:\\\/\\\/recherche.upf.pf\\\/wp-content\\\/uploads\\\/2021\\\/02\\\/Logo-UPF.png\",\"width\":2132,\"height\":968,\"caption\":\"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise\"},\"image\":{\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/univpf\",\"https:\\\/\\\/x.com\\\/univpf\",\"https:\\\/\\\/www.instagram.com\\\/univpf\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/school\\\/universit\u00e9-de-la-polyn\u00e9sie-fran\u00e7aise\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC535-cUv9j7pnLabFCFc17g\",\"https:\\\/\\\/fr.wikipedia.org\\\/wiki\\\/Universit\u00e9_de_la_Polyn\u00e9sie_fran\u00e7aise\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"S\u00e9mini GEPASUD &#8226; Recherche UPF","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/recherche.upf.pf\/ty\/evenement\/semini-gepasud\/","og_locale":"en_US","og_type":"article","og_title":"S\u00e9mini GEPASUD &#8226; Recherche UPF","og_description":"D\u00e9sol\u00e9, ce contenu est uniquement disponible en Fran\u00e7ais. Titre&nbsp;: Ondes sismiques de surface dans des milieux de complexit\u00e9 croissante : applications \u00e0 l\u2019\u00e9tude de la zone critique. R\u00e9sum\u00e9&nbsp;: L\u2019analyse des ondes de surface s\u2019impose&nbsp;aujourd\u2019hui&nbsp;comme un outil cl\u00e9 pour caract\u00e9riser les propri\u00e9t\u00e9s m\u00e9caniques des sols et des roches et imager les h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9s proches de la surface.&hellip; Continue reading S\u00e9mini GEPASUD","og_url":"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/","og_site_name":"Recherche UPF","article_publisher":"https:\/\/www.facebook.com\/univpf","article_modified_time":"2025-08-21T00:53:08+00:00","twitter_card":"summary_large_image","twitter_site":"@univpf","twitter_misc":{"Est. reading time":"2 minutes","Written by":"Alice Enjalbal"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/","url":"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/","name":"S\u00e9mini GEPASUD &#8226; Recherche UPF","isPartOf":{"@id":"https:\/\/recherche.upf.pf\/fr\/#website"},"datePublished":"2025-08-21T00:53:05+00:00","dateModified":"2025-08-21T00:53:08+00:00","breadcrumb":{"@id":"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/#breadcrumb"},"inLanguage":"ty","potentialAction":[{"@type":"ReadAction","target":["https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/recherche.upf.pf\/evenement\/semini-gepasud\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/recherche.upf.pf\/"},{"@type":"ListItem","position":2,"name":"\u00c9v\u00e9nements","item":"https:\/\/recherche.upf.pf\/fr\/evenement\/"},{"@type":"ListItem","position":3,"name":"S\u00e9mini GEPASUD"}]},{"@type":"WebSite","@id":"https:\/\/recherche.upf.pf\/fr\/#website","url":"https:\/\/recherche.upf.pf\/fr\/","name":"Recherche - Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise","description":"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise","publisher":{"@id":"https:\/\/recherche.upf.pf\/fr\/#organization"},"alternateName":"Recherche UPF","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/recherche.upf.pf\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ty"},{"@type":"Organization","@id":"https:\/\/recherche.upf.pf\/fr\/#organization","name":"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise","url":"https:\/\/recherche.upf.pf\/fr\/","logo":{"@type":"ImageObject","inLanguage":"ty","@id":"https:\/\/recherche.upf.pf\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/recherche.upf.pf\/wp-content\/uploads\/2021\/02\/Logo-UPF.png","contentUrl":"https:\/\/recherche.upf.pf\/wp-content\/uploads\/2021\/02\/Logo-UPF.png","width":2132,"height":968,"caption":"Universit\u00e9 de la Polyn\u00e9sie Fran\u00e7aise"},"image":{"@id":"https:\/\/recherche.upf.pf\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/univpf","https:\/\/x.com\/univpf","https:\/\/www.instagram.com\/univpf\/","https:\/\/www.linkedin.com\/school\/universit\u00e9-de-la-polyn\u00e9sie-fran\u00e7aise\/","https:\/\/www.youtube.com\/channel\/UC535-cUv9j7pnLabFCFc17g","https:\/\/fr.wikipedia.org\/wiki\/Universit\u00e9_de_la_Polyn\u00e9sie_fran\u00e7aise"]}]}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/evenement\/10488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/evenement"}],"about":[{"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/types\/evenement"}],"author":[{"embeddable":true,"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/users\/253"}],"version-history":[{"count":1,"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/evenement\/10488\/revisions"}],"predecessor-version":[{"id":10489,"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/evenement\/10488\/revisions\/10489"}],"wp:attachment":[{"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/media?parent=10488"}],"wp:term":[{"taxonomy":"author","embeddable":true,"href":"https:\/\/recherche.upf.pf\/ty\/wp-json\/wp\/v2\/coauthors?post=10488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}