{"id":779,"date":"2013-09-26T13:22:32","date_gmt":"2013-09-26T11:22:32","guid":{"rendered":"http:\/\/wp.unil.ch\/risk\/?p=779"},"modified":"2013-09-26T17:11:30","modified_gmt":"2013-09-26T15:11:30","slug":"sacha-gaillet-modelisation-du-remplissage-quaternaire-dune-vallee-glaciaire-a-une-echelle-locale-basee-sur-une-approche-geophysique-et-numerique-le-cas-du-paturage-de-solalex-commune-de-be","status":"publish","type":"post","link":"https:\/\/wp.unil.ch\/risk\/sacha-gaillet-modelisation-du-remplissage-quaternaire-dune-vallee-glaciaire-a-une-echelle-locale-basee-sur-une-approche-geophysique-et-numerique-le-cas-du-paturage-de-solalex-commune-de-be\/","title":{"rendered":"Sacha Gaillet: Mod\u00e9lisation du remplissage quaternaire d\u2019une vall\u00e9e glaciaire \u00e0 une \u00e9chelle locale, bas\u00e9e sur une approche g\u00e9ophysique et num\u00e9rique. Le cas du p\u00e2turage de Solalex Commune de Bex, Vaud, Suisse."},"content":{"rendered":"<p><em>Sacha Gaillet<\/em><br \/>\n<em>Co-supervisors: Prof. Michel Jaboyedoff,\u00a0Fran\u00e7ois Marillier<\/em><\/p>\n<p style=\"text-align: justify\">L\u2019objectif de ce travail \u00e9tait de d\u00e9terminer la g\u00e9om\u00e9trie, l\u2019\u00e9paisseur d\u2019un remplissage quaternaire d\u2019une\u00a0vall\u00e9e glaciaire particuli\u00e8re. En effet, un gigantesque \u00e9boulement postglaciaire s\u2019est d\u00e9tach\u00e9 du Miroir\u00a0d\u2019Argentine suite \u00e0 la d\u00e9compression des versants, engendr\u00e9e par le retrait du glacier local de\u00a0Paneirosse. Le d\u00e9p\u00f4t de ce ph\u00e9nom\u00e8ne gravitaire a combl\u00e9 le fond de la vall\u00e9e, formant ainsi un\u00a087\u00a0barrage naturel pour l\u2019Avan\u00e7on d\u2019Anzeindaz, cours d\u2019eau principal de la vall\u00e9e. Un lac prit alors place\u00a0\u00e0 l\u2019aval du p\u00e2turage de Solalex. Petit \u00e0 petit, ce lac s\u2019est rempli d\u2019alluvions et d\u2019autres d\u00e9p\u00f4ts\u00a0s\u00e9dimentaires en tout genre, permettant \u00e0 la rivi\u00e8re de suivre \u00e0 nouveau son trac\u00e9 habituel et actuel.\u00a0Afin de mieux comprendre l\u2019historique de ce remplissage quaternaire, un sch\u00e9ma d\u00e9crivant les\u00a0principales \u00e9tapes de sa formation a \u00e9t\u00e9 r\u00e9alis\u00e9. Ce dernier reste tr\u00e8s sch\u00e9matique. En effet, ce\u00a0sch\u00e9ma n\u2019est pas \u00e0 l\u2019\u00e9chelle et permet simplement de se faire une id\u00e9e du d\u00e9roulement de ce d\u00e9p\u00f4t\u00a0s\u00e9dimentaire jusqu\u2019\u00e0 aujourd\u2019hui (figure 60). Le but \u00e9tait donc d\u2019appliquer diff\u00e9rentes m\u00e9thodes\u00a0g\u00e9ophysiques de prospection afin de d\u00e9terminer la profondeur du substratum rocheux et de r\u00e9aliser\u00a0diff\u00e9rentes mod\u00e9lisations de la vall\u00e9e sans son remplissage quaternaire afin de pouvoir d\u00e9terminer\u00a0son \u00e9paisseur, sa g\u00e9om\u00e9trie et son volume.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sacha Gaillet Co-supervisors: Prof. Michel Jaboyedoff,\u00a0Fran\u00e7ois Marillier L\u2019objectif de ce travail \u00e9tait de d\u00e9terminer la g\u00e9om\u00e9trie, l\u2019\u00e9paisseur d\u2019un remplissage quaternaire d\u2019une\u00a0vall\u00e9e glaciaire particuli\u00e8re. En effet, un gigantesque \u00e9boulement postglaciaire s\u2019est &hellip; <\/p>\n","protected":false},"author":1341,"featured_media":891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[73758],"tags":[75120],"class_list":{"0":"post-779","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-masters_completed","8":"tag-75120"},"_links":{"self":[{"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/posts\/779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/users\/1341"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/comments?post=779"}],"version-history":[{"count":0,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/posts\/779\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/media\/891"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/media?parent=779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/categories?post=779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.unil.ch\/risk\/wp-json\/wp\/v2\/tags?post=779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}