{"id":37046,"date":"2025-11-14T11:12:53","date_gmt":"2025-11-14T11:12:53","guid":{"rendered":"https:\/\/snipool.com\/?p=37046"},"modified":"2025-11-14T11:12:53","modified_gmt":"2025-11-14T11:12:53","slug":"lantarctique","status":"publish","type":"post","link":"https:\/\/snipool.com\/fr\/lantarctique\/","title":{"rendered":"L\u2019Antarctique"},"content":{"rendered":"<p>Ce continent, recouvert de glace, est inhabit\u00e9, \u00e0 l\u2019exception de quelques bases scientifiques.<\/p>\n<p>Le glacier Taylor est situ\u00e9 dans les Vall\u00e9es s\u00e8ches\u00a0Mcmurdo, en Terre de Victoria, dans le sud de l\u2019Antarctique. Il s\u2019agit d\u2019une masse gel\u00e9e, mais un cours d\u2019eau de couleur rouille s\u2019\u00e9coule sur cinq \u00e9tages et finit dans le lac Bonney. Ses eaux pourpres ont \u00e9t\u00e9 pi\u00e9g\u00e9es sous un glacier pendant 2 millions d\u2019ann\u00e9es. Lorsque l\u2019eau des oc\u00e9ans inonda l\u2019est de l\u2019Antarctique, elle cr\u00e9a un lac sur la roche m\u00e8re riche en fer. Le glacier Taylor s\u2019est form\u00e9 au-dessus du lac, donnant naissance aux \u00ab\u00a0Cascades de Sang\u00a0\u00bb.<\/p>\n<p>Le lac Vostok est long de 258 km pour une largeur de 48 km. Il se trouve sous 3,2 km de glace. C\u2019est le plus grand des lacs fant\u00f4mes subglaciaires d\u2019Antarctique.<\/p>\n<p>L\u2019\u00eele Bouvet, situ\u00e9e entre l\u2019Antarctique et l\u2019Afrique du Sud, est l\u2019\u00eele la plus isol\u00e9e au monde. En son centre se trouve un volcan, recouvert de glace.<\/p>\n<p>En 1819, l\u2019explorateur W.E.Parry, qui cherche un passage du Nord-Ouest, franchit le d\u00e9troit de Lancaster.<\/p>\n<p>En 1840, le Fran\u00e7ais Dumont d\u2019Urville atteint la barri\u00e8re de la future terre Wilkes, situ\u00e9e au sud du continent.<\/p>\n<p>Le Mont Erebus fut d\u00e9couvert par l\u2019explorateur polaire britannique James Clarke Ross en 1841. Il nomma ce mont, qui est un volcan, d\u2019apr\u00e8s le nom de son navire. L\u2019Erebus dresse sa silhouette \u00e0 3 794 m d\u2019altitude, sur l\u2019\u00eele de Ross, en bordure de la mer de Ross. C\u2019est l\u2019un des plus c\u00e9l\u00e8bres volcans de l\u2019Antarctique, encore en activit\u00e9, qui d\u00e9borde de lave en fusion. En 1979, un avion touristique d\u2019Air New-Zelande s\u2019\u00e9crasa contre la montagne. Il fut pris dans une violente temp\u00eate de neige. Il n\u2019y a eu aucun survivant.<\/p>\n<p>Sir James Clarke Ross (1800-1862) d\u00e9couvrit la terre Victoria, dans l\u2019Antarctique. Il effectua de longues exp\u00e9ditions de 1839 \u00e0 1843, qui l\u2019ont conduit jusqu\u2019\u00e0 la latitude de 78<sup>0 <\/sup>sud. Mais ses navires furent arr\u00eat\u00e9s par une barri\u00e8re de glace (shelf). Son nom, ainsi que celui de son oncle Sir John Ross (1777-1856), \u00e9galement navigateur et explorateur, ont donn\u00e9 le nom \u00e0 la barri\u00e8re de Ross, \u00e0 l\u2019\u00eele de Ross et \u00e0 la mer de Ross dans l\u2019Antarctique.<\/p>\n<p>Le navigateur Jean Charcot fit plusieurs voyages dans l\u2019Antarctique, dont celui de 1908-1910 \u00e0 bord du \u00ab\u00a0Pourquoi-Pas? \u00bb. Le Fran\u00e7ais pr\u00e9cisa le trac\u00e9 des c\u00f4tes de la terre de Graham, la p\u00e9ninsule de l\u2019Antarctique au sud de l\u2019Am\u00e9rique.<\/p>\n<p>Le p\u00f4le g\u00e9ographique fut atteint le 14 d\u00e9cembre 1911 par Roal Amundsen, apr\u00e8s une exp\u00e9dition de 55 jours au d\u00e9part de la mer de Ross.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce continent, recouvert de glace, est inhabit\u00e9, \u00e0 l\u2019exception de quelques bases scientifiques. Le glacier Taylor est situ\u00e9 dans les Vall\u00e9es s\u00e8ches\u00a0Mcmurdo, en Terre de Victoria, dans le sud de l\u2019Antarctique. Il s\u2019agit d\u2019une masse gel\u00e9e, mais un cours d\u2019eau de couleur rouille s\u2019\u00e9coule sur cinq \u00e9tages et finit dans le lac Bonney. Ses eaux &hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1088],"tags":[13431,6449,12663,13434,6729,12604,13427,13429,13433,13422,13432,13428,2267,13425,13424,13435,13426,7071,6919,10899,6415,13423,7632,13430],"snipool_ingredient":[],"class_list":["post-37046","post","type-post","status-publish","format-standard","hentry","category-interessant","tag-amundsen","tag-cascades","tag-continent","tag-detroit-de-lancaster","tag-explorateur","tag-glacier","tag-james-clarke-ross","tag-jean-charcot","tag-lamerique","tag-lantarctique","tag-la-barriere-de-ross","tag-la-mer-de-ross","tag-lac","tag-le-glacier-taylor","tag-le-lac-bonney","tag-le-lac-vostok","tag-le-mont-erebus","tag-navigateur","tag-navire","tag-pole","tag-scientifiques","tag-terre-de-victoria","tag-voyages","tag-voyages-dans-lantarctique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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