{"id":26076,"date":"2024-07-24T12:00:25","date_gmt":"2024-07-24T10:00:25","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=26076"},"modified":"2024-07-16T09:16:57","modified_gmt":"2024-07-16T07:16:57","slug":"le-gulf-stream-sur-le-point-de-geler-leurope","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-gulf-stream-sur-le-point-de-geler-leurope\/","title":{"rendered":"Le gulf stream sur le point de geler l&rsquo;Europe ?"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Une nouvelle \u00e9tude renforce l\u2019id\u00e9e que l\u2019Europe, malgr\u00e9 le r\u00e9chauffement global, pourrait conna\u00eetre une p\u00e9riode froide. Le Gulf Stream serait en effet bien plus sensible au changement climatique qu\u2019on ne le pensait.<\/p>\n<p>Le Gulf Stream, c&rsquo;est ce grand courant oc\u00e9anique chaud qui parcourt l&rsquo;Atlantique et qui permet \u00e0 l&rsquo;Europe de b\u00e9n\u00e9ficier d&rsquo;un climat temp\u00e9r\u00e9, nous faisant oublier que nous sommes situ\u00e9s tout de m\u00eame, en ce qui concerne la France, \u00e0 une latitude de 46\u00b0N environ, comme le Canada.<\/p>\n<p>Le r\u00e9chauffement climatique perturbant les courants marins, la grande crainte est donc que le Gulf Stream s\u2019effondre et que les temp\u00e9ratures en Europe chutent. Une situation qui mettrait \u00e0 mal notre agriculture et notre \u00e9conomie.<\/p>\n<p>Une nouvelle \u00e9tude souligne que ce sc\u00e9nario redout\u00e9 pourrait d&rsquo;ailleurs bien se produire dans le futur. Des chercheurs ont effet mis en \u00e9vidence la forte sensibilit\u00e9 du Gulf Stream aux changements climatiques, en se basant sur l&rsquo;\u00e9volution de ce courant sur les 20 000 derni\u00e8res ann\u00e9es.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<figure id=\"attachment_25137\" aria-describedby=\"caption-attachment-25137\" style=\"width: 1000px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"25137\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/la-circulation-de-locean-atlantique-pourrait-seffondrer-dici-2050-avertissent-les-scientifiques\/amoc-atlantique-nord-gulf-stream-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/amoc-atlantique-nord-gulf-stream-2.gif?fit=1000%2C581&amp;ssl=1\" data-orig-size=\"1000,581\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"amoc atlantique nord gulf stream 2\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Une animation simplifi\u00e9e du \u00ab\u00a0tapis roulant\u00a0\u00bb mondial de l&amp;rsquo;AMOC avec les courants de surface indiqu\u00e9s en rouge et les courants marins profonds en bleu.(Cr\u00e9dit image : NASA\/Goddard Space Flight Center Scientific Visualization Studio)&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/amoc-atlantique-nord-gulf-stream-2.gif?fit=800%2C465&amp;ssl=1\" class=\"size-full wp-image-25137\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/07\/amoc-atlantique-nord-gulf-stream-2.gif?resize=1000%2C581&#038;ssl=1\" alt=\"\" width=\"1000\" height=\"581\"\/><figcaption id=\"caption-attachment-25137\" class=\"wp-caption-text\">Une animation simplifi\u00e9e du \u00ab\u00a0tapis roulant\u00a0\u00bb mondial de l&rsquo;AMOC avec les courants de surface indiqu\u00e9s en rouge et les courants marins profonds en bleu.(Cr\u00e9dit image : NASA\/Goddard Space Flight Center Scientific Visualization Studio)<\/figcaption><\/figure>\n<p>Un Gulf Stream d\u00e9pendant du r\u00e9gime des vents<br \/>\nIl y a 20 000 ans, l\u2019Europe conna\u00eessait en effet sa derni\u00e8re p\u00e9riode glaciaire. Mais, contre toute attente, l&rsquo;\u00e9tude des s\u00e9diments marins r\u00e9v\u00e8le que le Gulf Stream \u00e9tait alors bien plus puissant que ce qu&rsquo;il est actuellement. En cause : les vents subtropicaux qui balaient l&rsquo;Atlantique Nord.<\/p>\n<p>L&rsquo;\u00e9tude publi\u00e9e dans <a href=\"https:\/\/www.nature.com\/articles\/s41586-024-07655-y\" target=\"_blank\" rel=\"noopener\">la revue Nature <\/a>montre ainsi que ce courant oc\u00e9anique est fortement d\u00e9pendant du r\u00e9gime des vents. Les mod\u00e8les climatiques montrent cependant que le r\u00e9chauffement devrait affaiblir ces vents subtropicaux. Le Gulf Stream risque donc de baisser encore en intensit\u00e9 dans un futur proche, entra\u00eenant un climat plus froid en Europe.<\/p>\n<p>Un effet qui pourrait \u00eatre exacerb\u00e9 par l&rsquo;effondrement d&rsquo;un autre courant oc\u00e9anique majeur dont fait partie le Gulf Stream : l\u2019Amoc (Atlantic Meridional Overturning Circulation). Ce courant est en effet surveill\u00e9 de pr\u00e8s, la fonte des glaces du Groenland ayant potentiellement la capacit\u00e9 \u00e0 le modifier s\u00e9v\u00e8rement.<\/p>\n<p>Source : <a href=\"https:\/\/www.futura-sciences.com\/planete\/actualites\/ocean-grand-courant-marin-amoc-commence-effondrer-consequences-deja-visibles-102827\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.futura-sciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"26076\">(790)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Une nouvelle \u00e9tude renforce l\u2019id\u00e9e que l\u2019Europe, malgr\u00e9 le r\u00e9chauffement global, pourrait conna\u00eetre une p\u00e9riode froide. Le Gulf Stream serait&#8230;<\/p>\n","protected":false},"author":1,"featured_media":26077,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[23],"tags":[4865,188,396,52,46],"class_list":["post-26076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-circulation-oceanique","tag-amoc","tag-europe","tag-gulf-stream","tag-rechauffement","tag-refroidissement","wpcat-23-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/07\/ocean-atlantique.jpg?fit=1024%2C1024&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6MA","jetpack-related-posts":[{"id":15342,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-gulf-stream-pourrait-refroidir-leurope-dici-moins-de-10-ans\/","url_meta":{"origin":26076,"position":0},"title":"Le Gulf Stream pourrait refroidir l&rsquo;Europe d&rsquo;ici moins de 10 ans","author":"Admin","date":"5 juin 2017","format":false,"excerpt":"Le d\u00e9r\u00e8glement climatique n\u2019occasionne pas que des pics de chaleur ! L\u2019affaiblissement du Gulf Stream provoquerait une baisse de la temp\u00e9rature en Europe de l\u2019Ouest. Vous pensiez profiter tranquillement du r\u00e9chauffement climatique et attendre que poussent les cocotiers sur les rives de la Mer du Nord ? D\u00e9trompez-vous ! Les\u2026","rel":"","context":"Dans &quot;Courants Marins&quot;","block_context":{"text":"Courants Marins","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/circulation-oceanique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf-stream-avril-2015.jpg?fit=900%2C472&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf-stream-avril-2015.jpg?fit=900%2C472&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf-stream-avril-2015.jpg?fit=900%2C472&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf-stream-avril-2015.jpg?fit=900%2C472&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4899,"url":"https:\/\/www.laterredufutur.com\/accueil\/pour-le-climat-nous-sommes-tributaires-du-gulf-stream\/","url_meta":{"origin":26076,"position":1},"title":"Pour le climat, nous sommes tributaires du Gulf Stream","author":"Admin","date":"29 mai 2009","format":false,"excerpt":"Les grands courants marins parcourent les mers du globe comme des tapis roulants, ils \u00e9voluent en surface dans les mers chaudes, plongent lorsqu\u2019ils se heurtent aux mers froides et jouent un r\u00f4le majeur dans la r\u00e9gulation des temp\u00e9ratures hivernales, en faisant b\u00e9n\u00e9ficier certaines zones d\u2019un climat maritime, plus doux que\u2026","rel":"","context":"Dans &quot;Courants Marins&quot;","block_context":{"text":"Courants Marins","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/circulation-oceanique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf_stream.gif?fit=416%2C350&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4660,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-petit-age-glaciaire-serait-lie-au-ralentissement-du-gulf-stream\/","url_meta":{"origin":26076,"position":2},"title":"Le petit \u00e2ge glaciaire serait li\u00e9 au ralentissement du Gulf Stream","author":"Admin","date":"31 octobre 2008","format":false,"excerpt":"C\u2019est un sc\u00e9nario que certains craignent de voir se r\u00e9aliser avec le r\u00e9chauffement de la plan\u00e8te et la fonte des glaces arctiques : un ralentissement du Gulf Stream dans l\u2019Atlantique et un climat moins temp\u00e9r\u00e9 en Europe. Selon les travaux de l\u2019\u00e9quipe de David Lund, c\u2019est ce qui s\u2019est produit\u2026","rel":"","context":"Dans &quot;Courants Marins&quot;","block_context":{"text":"Courants Marins","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/circulation-oceanique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulf-stream1.jpg?fit=300%2C300&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4097,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-rechauffement-global-a-modifie-la-salinite-du-gs\/","url_meta":{"origin":26076,"position":3},"title":"Le r\u00e9chauffement global a modifi\u00e9 la salinit\u00e9 du GS","author":"Admin","date":"24 ao\u00fbt 2007","format":false,"excerpt":"Pour la plupart des personnes, le ralentissement ou m\u00eame l'arr\u00eat du\u00a0Gulf Stream\u00a0ne peut \u00eatre qu'une affaire de Science Fiction.\u00a0Ce vaste courant oc\u00e9anique sur la surface de l'Oc\u00e9an atlantique, qui fonctionne de la zone intertropicale vers les rivages de l'Europe (de ce fait assurant nos hivers chauds et \u00e9t\u00e9s temp\u00e9r\u00e9s) ne\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/gulfstream1.jpg?fit=500%2C431&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2670,"url":"https:\/\/www.laterredufutur.com\/accueil\/limportance-de-la-banquise\/","url_meta":{"origin":26076,"position":4},"title":"L&rsquo;importance de la Banquise","author":"Admin","date":"28 janvier 2005","format":false,"excerpt":"L'Europe poss\u00e8de un climat agr\u00e9able jusqu'\u00e0 des latitudes proche du cercle polaire. Ainsi on peut observer des vaches en Norv\u00e8ge. On peut voir des hivers en Grande Bretagne et en France qui ne ressemblent en aucun point \u00e0 ceux du Canada et de New York. Mais au del\u00e0 du Gulf\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/polenord.jpg?fit=300%2C206&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16037,"url":"https:\/\/www.laterredufutur.com\/accueil\/risque-t-on-une-chute-brutale-des-temperatures-en-europe-dans-les-decennies-a-venir\/","url_meta":{"origin":26076,"position":5},"title":"Risque-t-on une chute brutale des temp\u00e9ratures en Europe dans les d\u00e9cennies \u00e0 venir ?","author":"Admin","date":"14 novembre 2017","format":false,"excerpt":"Et si le r\u00e9chauffement global contribuait, paradoxalement, au refroidissement des temp\u00e9ratures dans nos r\u00e9gions? Sur base d\u2019observations rapportant un refroidissement des eaux oc\u00e9aniques de surface dans la mer du Labrador (Atlantique Nord subpolaire, au Sud du Groenland) en 1970, une \u00e9quipe de chercheurs a publi\u00e9 une \u00e9tude dans laquelle ils\u2026","rel":"","context":"Dans &quot;Courants Marins&quot;","block_context":{"text":"Courants Marins","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/circulation-oceanique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/gulf-stream.jpg?fit=634%2C357&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/gulf-stream.jpg?fit=634%2C357&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/gulf-stream.jpg?fit=634%2C357&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=26076"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26076\/revisions"}],"predecessor-version":[{"id":26078,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26076\/revisions\/26078"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/26077"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=26076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=26076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=26076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}