{"id":211072,"date":"2025-06-28T14:13:09","date_gmt":"2025-06-28T14:13:09","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/211072\/"},"modified":"2025-06-28T14:13:09","modified_gmt":"2025-06-28T14:13:09","slug":"un-village-menace-par-un-lac-glaciere-proche-de-la-rupture-des-travaux-engages","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/211072\/","title":{"rendered":"Un village menac\u00e9 par un lac glaci\u00e8re proche de la rupture, des travaux engag\u00e9s"},"content":{"rendered":"<p>Le village de Pralognan en <a href=\"https:\/\/www.20minutes.fr\/societe\/savoie\/\" class=\"color-ultramarine c-link\" target=\"_blank\" rel=\"noopener\">Savoie <\/a>veut s\u2019\u00e9viter un destin \u00e0 la Blatten, commune de Suisse \u00e9vacu\u00e9e et quasiment ray\u00e9e de la carte par <a href=\"https:\/\/www.20minutes.fr\/planete\/rechauffement-climatique\/4156564-20250603-glacier-effondre-suisse-catastrophe-peut-arriver-france-engloutir-villages-entiers?at_medium=display&amp;at_campaign=149\" class=\"color-ultramarine c-link\" target=\"_blank\" rel=\"noopener\">l\u2019effondrement du glacier du Birch en mai dernier<\/a>, sous le coup du <a href=\"https:\/\/www.20minutes.fr\/dossier\/rechauffement-climatique\" class=\"color-ultramarine c-link\" target=\"_blank\" rel=\"noopener\">r\u00e9chauffement climatique<\/a>.<\/p>\n<p>Le sc\u00e9nario y est l\u00e9g\u00e8rement diff\u00e9rent, mais les causes sont identiques\u00a0: Sous l\u2019effet de la fonte du glacier surplombant la commune aux 700 habitants, un lac d\u2019altitude a commenc\u00e9 \u00e0 se cr\u00e9e en\u00a02020 et n\u2019a cess\u00e9 de cro\u00eetre et de se remplir.<\/p>\n<p>Des pelleteuses \u00e0 3.000 m\u00e8tres d\u2019altitude<\/p>\n<p>Avec la certitude \u00e0 terme qu\u2019il finisse par brutalement d\u00e9verser sur la commune ses dizaines de milliers de m\u00e8tres cubes d\u2019eau accumul\u00e9s dans un torrent destructeur, une fois la barri\u00e8re de glace qui le maintient perfor\u00e9e.<\/p>\n<p>De lourds travaux \u00e0 pr\u00e8s de 3.000 m\u00e8tres d\u2019altitude ont donc \u00e9t\u00e9 engag\u00e9s pour vidanger pr\u00e9ventivement le lac, rapporte notamment <a href=\"https:\/\/www.francebleu.fr\/infos\/environnement\/a-pralognan-la-vanoise-un-chantier-se-met-en-place-a-2-900-metres-d-altitude-pour-vidanger-un-lac-qui-menace-la-commune-3277618\" rel=\"nofollow noopener\" target=\"_blank\" class=\"color-ultramarine c-link\">ICI Savoie (ex France Bleu)<\/a>. Pour ce faire, des pelleteuses transport\u00e9es jusqu\u2019au lac en h\u00e9licopt\u00e8re vont creuser un chenal pour \u00e9vacuer l\u2019eau de fa\u00e7on contr\u00f4l\u00e9e. D\u2019un montant de 400.000 euros, ils doivent durer tout l\u2019\u00e9t\u00e9.<\/p>\n<\/p>\n<p>Ce ne sont pas les premiers travaux entrepris en France pour vidanger des lacs glaci\u00e8res. D\u2019identiques man\u0153uvres ont d\u00e9j\u00e0 eu lieu Rochemelon en Maurienne en\u00a02005, mais aussi \u00e0 Chamonix en\u00a02023, rappelle la radio publique.<\/p>\n","protected":false},"excerpt":{"rendered":"Le village de Pralognan en Savoie veut s\u2019\u00e9viter un destin \u00e0 la Blatten, commune de Suisse \u00e9vacu\u00e9e et&hellip;\n","protected":false},"author":2,"featured_media":211073,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[47,11,2430,4734,1011,27,5324,12,52,5140,25,2431,5508,104],"class_list":{"0":"post-211072","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-france","8":"tag-actualite","9":"tag-actualites","10":"tag-auvergne-rhone-alpes","11":"tag-changement-climatique","12":"tag-fr","13":"tag-france","14":"tag-montagne","15":"tag-news","16":"tag-planete","17":"tag-rechauffement-climatique","18":"tag-republique-francaise","19":"tag-rhone-alpes","20":"tag-savoie","21":"tag-societe"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/211072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=211072"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/211072\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/211073"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=211072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=211072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=211072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}