{"id":7522,"date":"2026-04-15T18:10:03","date_gmt":"2026-04-15T18:10:03","guid":{"rendered":"https:\/\/akhbaronline.co\/hunter\/la-circulation-oceanique-qui-maintient-un-climat-doux-en-europe-pourrait-saffaiblir-davantage-que-prevu\/"},"modified":"2026-04-15T18:10:09","modified_gmt":"2026-04-15T18:10:09","slug":"la-circulation-oceanique-qui-maintient-un-climat-doux-en-europe-pourrait-saffaiblir-davantage-que-prevu","status":"publish","type":"post","link":"https:\/\/akhbaronline.co\/hunter\/la-circulation-oceanique-qui-maintient-un-climat-doux-en-europe-pourrait-saffaiblir-davantage-que-prevu\/","title":{"rendered":"La circulation oc\u00e9anique qui maintient un climat doux en Europe pourrait s\u2019affaiblir davantage que pr\u00e9vu"},"content":{"rendered":"<div id=\"\">\n<figure class=\"article__media\"> <picture class=\"article__media\">  <\/picture><figcaption class=\"article__legend\" aria-hidden=\"true\">Un homme inspecte ses cultures endommag\u00e9es dans un champ cultiv\u00e9 \u00e0 Sidi Slimane (Maroc), le 24\u00a0juin 2024, apr\u00e8s six ann\u00e9es cons\u00e9cutives de s\u00e9cheresse.  <span class=\"article__credit\" aria-hidden=\"true\">FADEL SENNA\/AFP<\/span>  <\/figcaption><\/figure>\n<p class=\"article__paragraph  \">C\u2019est un rouage essentiel du climat mondial, et il pourrait flancher davantage que pr\u00e9vu. La principale circulation oc\u00e9anique de l\u2019Atlantique, appel\u00e9e circulation m\u00e9ridienne de retournement de l\u2019Atlantique (ou AMOC, son acronyme anglais), pourrait s\u2019affaiblir de 51\u00a0% d\u2019ici \u00e0 2100\u00a0dans un sc\u00e9nario d\u2019\u00e9missions de gaz \u00e0 effet de serre mod\u00e9r\u00e9es (soit la trajectoire actuellement suivie par l\u2019humanit\u00e9), selon <a href=\"http:\/\/www.science.org\/doi\/10.1126\/sciadv.adx4298\" target=\"_blank\" rel=\"noopener\" title=\"Nouvelle fen\u00eatre\">une \u00e9tude publi\u00e9e dans <em>Science Advances<\/em>, mercredi 15\u00a0avril<\/a>. Une baisse bien plus marqu\u00e9e que les pr\u00e9c\u00e9dentes estimations, qui tablaient sur un d\u00e9clin moyen de 32\u00a0%.<\/p>\n<p class=\"article__paragraph  \">L\u2019AMOC joue un r\u00f4le central dans la redistribution de la chaleur \u00e0 l\u2019\u00e9chelle de la plan\u00e8te. Cet ensemble de courants, dont fait partie le Gulf Stream, forme une immense boucle du sud au nord de l\u2019Atlantique, avec un d\u00e9bit de 18\u00a0millions de m\u00e8tres cubes\u00a0par seconde. En transportant des eaux chaudes sal\u00e9es des tropiques vers le nord du bassin, il contribue \u00e0 maintenir un climat doux en Europe. L\u2019AMOC affecte \u00e9galement le r\u00e9gime des pluies dans les tropiques, contribue \u00e0 stocker du CO<sub>2<\/sub>\u00a0en profondeur et transporte des nutriments essentiels \u00e0 la biodiversit\u00e9 marine.<\/p>\n<p class=\"reading-mode-only \"><strong>Il vous reste 79% de cet article \u00e0 lire. La suite est r\u00e9serv\u00e9e aux abonn\u00e9s.<\/strong><\/p>\n<\/p><\/div>\n<p><a href=\"https:\/\/www.lemonde.fr\/planete\/article\/2026\/04\/15\/la-circulation-oceanique-qui-maintient-un-climat-doux-en-europe-pourrait-s-affaiblir-davantage-que-prevu_6680335_3244.html\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un homme inspecte ses cultures endommag\u00e9es dans un champ cultiv\u00e9 \u00e0 Sidi Slimane (Maroc), le 24\u00a0juin 2024, apr\u00e8s six ann\u00e9es cons\u00e9cutives de s\u00e9cheresse. FADEL SENNA\/AFP C\u2019est un rouage essentiel du climat mondial, et il pourrait flancher davantage que pr\u00e9vu. La principale circulation oc\u00e9anique de l\u2019Atlantique, appel\u00e9e circulation m\u00e9ridienne de retournement de l\u2019Atlantique (ou AMOC, son [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-7522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/posts\/7522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/comments?post=7522"}],"version-history":[{"count":1,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/posts\/7522\/revisions"}],"predecessor-version":[{"id":7524,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/posts\/7522\/revisions\/7524"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/media\/7523"}],"wp:attachment":[{"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/media?parent=7522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/categories?post=7522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/akhbaronline.co\/hunter\/wp-json\/wp\/v2\/tags?post=7522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}