{"id":623,"date":"2024-06-03T17:11:49","date_gmt":"2024-06-03T15:11:49","guid":{"rendered":"https:\/\/lesamisdebagnoles.fr\/?p=623"},"modified":"2024-06-03T23:48:28","modified_gmt":"2024-06-03T21:48:28","slug":"le-problemes-des-alluvions","status":"publish","type":"post","link":"https:\/\/lesamisdebagnoles.fr\/index.php\/2024\/06\/03\/le-problemes-des-alluvions\/","title":{"rendered":"Le probl\u00e8me des alluvions"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"299\" src=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-1024x299.jpg\" alt=\"\" class=\"wp-image-624\" srcset=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-1024x299.jpg 1024w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-300x88.jpg 300w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-768x224.jpg 768w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-1536x448.jpg 1536w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/badeau-chambon-2048x598.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Dans le Puy de D\u00f4me, le lac Chambon, d\u2019origine volcanique, est menac\u00e9 de disparition \u00e0 cause du comblement par les alluvions apport\u00e9s par la Couze de Chaudefour (en amont du lac et qui descend du massif du Sancy).\u00a0<br>Une \u00e9ruption volcanique, il y a 16 000 ans, a produit des scories qui ont constitu\u00e9 un barrage naturel, en formant aujourd&rsquo;hui un lac de 40 hectares.<br>\u00c0 l&rsquo;origine, le lac occupait une surface plus importante, mais un glissement du flanc Sud de la Dent du Marais (voir illustration) a r\u00e9duit sa surface (il y a 3 000 ans) et acc\u00e9l\u00e9r\u00e9 le comblement.<\/p>\n\n\n\n<p>Le Conseil G\u00e9n\u00e9ral du Puy de D\u00f4me a pris une heureuse initiative pour ralentir le processus. <br>La profondeur de ce lac est seulement de 4 m\u00e8tres. Une id\u00e9e pour le lac de Bagnoles ?<\/p>\n\n\n\n<p>Le tour du lac a \u00e9t\u00e9 am\u00e9nag\u00e9 avec un syst\u00e8me de pontons qui permet au promeneur de progresser \u00e0 travers les zones mar\u00e9cageuses qui le bordent.<\/p>\n\n\n\n<p>Photos d\u2019un panneau explicatif prise le 30 Mai 2024.<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"859\" height=\"1024\" src=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2-859x1024.jpg\" alt=\"\" class=\"wp-image-627\" srcset=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2-859x1024.jpg 859w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2-252x300.jpg 252w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2-768x916.jpg 768w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2-1288x1536.jpg 1288w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-1-2.jpg 1462w\" sizes=\"auto, (max-width: 859px) 100vw, 859px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"1024\" src=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2-848x1024.jpg\" alt=\"\" class=\"wp-image-628\" srcset=\"https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2-848x1024.jpg 848w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2-248x300.jpg 248w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2-768x927.jpg 768w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2-1272x1536.jpg 1272w, https:\/\/lesamisdebagnoles.fr\/wp-content\/uploads\/2024\/06\/colonne-2.jpg 1455w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Dans le Puy de D\u00f4me, le lac Chambon, d\u2019origine volcanique, est menac\u00e9 de disparition \u00e0 cause du comblement par les alluvions apport\u00e9s par la Couze de Chaudefour (en amont du lac et qui descend du massif du Sancy).\u00a0Une \u00e9ruption volcanique, il y a 16 000 ans, a produit des scories qui ont constitu\u00e9 un barrage [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-623","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/posts\/623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":5,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/posts\/623\/revisions"}],"predecessor-version":[{"id":646,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/posts\/623\/revisions\/646"}],"wp:attachment":[{"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/categories?post=623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lesamisdebagnoles.fr\/index.php\/wp-json\/wp\/v2\/tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}