{"id":2646,"date":"2005-01-12T16:15:15","date_gmt":"2005-01-12T14:15:15","guid":{"rendered":"http:\/\/www.laterredufutur.com\/wordpress\/?p=2646"},"modified":"2015-04-03T16:17:17","modified_gmt":"2015-04-03T14:17:17","slug":"salinite-en-chute-libre-dans-latlantique-nord","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/salinite-en-chute-libre-dans-latlantique-nord\/","title":{"rendered":"Salinit\u00e9 en chute libre dans l&rsquo;Atlantique Nord"},"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 align=\"justify\"><span style=\"font-size: small;\">Nous savons qu&rsquo;une Glaciation sera pr\u00e9curseuse de signes qui ne pourront tromper personne. Pour qu&rsquo;elle puisse \u00eatre activ\u00e9e, il faut que le Gulf Stream s&rsquo;arr\u00e8te. Ce qui active la descente du Gulf Stream dans les profondeurs de l&rsquo;Atlantique, c&rsquo;est la quantit\u00e9 de salinit\u00e9 qu&rsquo;il contient. Ainsi un apport d&rsquo;eau douce trop important stopera ce courant qui r\u00e9chauffe l&rsquo;Europe et l&rsquo;Am\u00e9rique du Nord.<\/span><\/p>\n<p><span style=\"font-size: small;\">Mais voici que des \u00e9tudes viennent de montrer que ce Gulf Stream est bien malade. Ici des graphiques bien r\u00e9alistes<\/span>&#8230;<\/p>\n<p>&nbsp;<\/p>\n<p align=\"justify\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/photos\/occi_abrclimate_wef_en3b.gif\" alt=\"\" \/><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">Ce graphique d\u00e9montre sans ambiguit\u00e9, depuis 1965, une chute vertigineuse de la salinit\u00e9 de l&rsquo;oc\u00e9an Atlantique.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">Voici l&rsquo;oc\u00e9an Atlantique avec une salinit\u00e9 normale : <strong><span style=\"color: #330000;\">Changements \u00e0 grande \u00e9chelle de salinit\u00e9 de nouveaux rapports d&rsquo;\u00e9tude des oc\u00e9ans :<\/span><\/strong><\/span><\/p>\n<p align=\"justify\">\n<p align=\"justify\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/tropical_Atlantic_1.jpeg\" alt=\"\" \/><\/span><\/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<p align=\"justify\">\n<p align=\"justify\"><span class=\"main\"><span style=\"font-size: small;\"><b>Les eaux de surface atlantiques tropicales sont devenues plus sal\u00e9es&#8230; <\/b><br \/>\nLes eaux atlantiques tropicales et subtropicales sont devenues nettement plus sal\u00e9es au cours des 40 derni\u00e8res ann\u00e9es, particuli\u00e8rement dans la derni\u00e8re d\u00e9cennie, rapportent des scientifiques aujourd&rsquo;hui. Le\u00a0r\u00e9chauffement global\u00a0global peut intensifier l&rsquo;\u00e9vaporation, ajouter de la vapeur d&rsquo;eau douce \u00e0 l&rsquo;atmosph\u00e8re et laisser les oc\u00e9ans tropicaux relativement plus sal\u00e9s. L&rsquo;\u00e9vidence sugg\u00e8re que les changements r\u00e9cents du climat puissent acc\u00e9l\u00e9rer le syst\u00e8me plan\u00e9taire\u00a0sur les courants et le cycle de l&rsquo;eau douce autour du globe, qui pourrait d\u00e9clencher ou amplifie d&rsquo;autres changements cruciaux de climat.<\/span><\/span><\/p>\n<p align=\"justify\">\n<p align=\"justify\"><span class=\"main\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/deep_waters.jpeg\" alt=\"\" \/><br \/>\n<\/span><\/span><\/p>\n<p align=\"justify\"><span class=\"main\"><span style=\"font-size: small;\"><strong>&#8230; tandis que les eaux\u00a0profondes de l&rsquo;Atlantique nord sont devenues plus fra\u00eeches. <\/strong>Au cours de la m\u00eame p\u00e9riode depuis 40 ans, les eaux profondes sont devenues moins sal\u00e9es dans des endroits critiques d&rsquo;Atlantique nord, o\u00f9 elles \u00e9taient sal\u00e9es, les eaux denses descendent pour conduire le syst\u00e8me global de circulation de l&rsquo;oc\u00e9an appel\u00e9 le\u00a0covoyeur oc\u00e9anique. Si l&rsquo;Atlantique nord devient trop froid, ses eaux pourraient cesser la descente, et le convoyeur pourrait ralentir, entra\u00eenant des ruptures\u00a0g\u00e9n\u00e9rales dans le\u00a0climat. Cette tendance rafra\u00eechissante\u00a0s&rsquo;est acc\u00e9l\u00e9r\u00e9e dans la derni\u00e8re d\u00e9cennie, et une masse d&rsquo;eau profonde plus fra\u00eeche se propage\u00a0au sud.<\/span><\/span><\/p>\n<p align=\"justify\">\n<span style=\"font-size: small;\">source : <\/span><a href=\"http:\/\/www.whoi.edu\/institutes\/occi\/currenttopics\/abruptclimate_rcurry_pr_en1.html\"><span style=\"font-size: small;\">http:\/\/www.whoi.edu\/institutes\/occi\/currenttopics\/abruptclimate_rcurry_pr_en1.html<\/span><\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"2646\">(270)<\/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>Nous savons qu&rsquo;une Glaciation sera pr\u00e9curseuse de signes qui ne pourront tromper personne. Pour qu&rsquo;elle puisse \u00eatre activ\u00e9e, il faut&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2647,"comment_status":"closed","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":[1716,2450,142,2452,1076,396,721,2453,2451],"class_list":["post-2646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-circulation-oceanique","tag-changement","tag-convoyeur","tag-courant","tag-course","tag-crise","tag-gulf-stream","tag-ocean-atlantique","tag-plongee","tag-salinite","wpcat-23-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/abrupt_conveyorbelt.gif?fit=250%2C175&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-GG","jetpack-related-posts":[{"id":3617,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-salinite-de-laltantique-nord-toujours-plus-solicitee\/","url_meta":{"origin":2646,"position":0},"title":"La salinit\u00e9 de l&rsquo;Altantique Nord toujours plus solicit\u00e9e","author":"Admin","date":"4 septembre 2006","format":false,"excerpt":"La salinit\u00e9 joue le r\u00f4le de grand attracteur des courants nords altantique comme les temp\u00e9ratures de surface. Voici un propos qui d\u00e9montre un tr\u00e8s gros probl\u00e8me actuel : La Nasa fait entendre sa voix. Sirpa H\u00e4kkinen, chercheur au Centre Goddard d\u2019\u00e9tudes satellites, indique ainsi dans son article Spinning publi\u00e9 dans\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":"","width":0,"height":0},"classes":[]},{"id":3877,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-courant-des-profondeurs-2\/","url_meta":{"origin":2646,"position":1},"title":"Le Courant des Profondeurs","author":"Admin","date":"27 f\u00e9vrier 2007","format":false,"excerpt":"Voici en 4 \u00e9tapes, des points cruciaux d'une rupture annonc\u00e9e selon le documentaire Le Courant des Profondeurs de la chaine de TV NHK. L'Extention du Gulf Stream d\u00e9nomm\u00e9e D\u00e9rive Nord Atlantique est mise \u00e0 mal dans un r\u00e9chauffement climatique o\u00f9 l'effet de surprise doit \u00eatre pris en compte. Ici 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":"","width":0,"height":0},"classes":[]},{"id":23894,"url":"https:\/\/www.laterredufutur.com\/accueil\/dossier-de-nouvelles-donnees-montrent-que-le-gulf-stream-continue-de-ralentir-leau-douce-a-cree-un-desequilibre-et-le-rapproche-dun-point-deffondrement\/","url_meta":{"origin":2646,"position":2},"title":"Dossier : De nouvelles donn\u00e9es montrent que le Gulf Stream continue de ralentir, l&rsquo;eau douce a cr\u00e9\u00e9 un d\u00e9s\u00e9quilibre et le rapproche d&rsquo;un point d&rsquo;effondrement","author":"Admin","date":"6 avril 2022","format":false,"excerpt":"Le Gulf Stream s'est consid\u00e9rablement affaibli au cours des derni\u00e8res d\u00e9cennies, comme le r\u00e9v\u00e8lent les derni\u00e8res donn\u00e9es et de nouvelles \u00e9tudes. Le temps aux \u00c9tats-Unis et en Europe d\u00e9pend fortement de ce courant oc\u00e9anique, il est donc important de comprendre les changements en cours et ce qu'ils signifient pour notre\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\/2022\/04\/hemisphere-nord-ocean-salinite-concentration-amoc-gulf-stream.png?fit=1200%2C862&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/04\/hemisphere-nord-ocean-salinite-concentration-amoc-gulf-stream.png?fit=1200%2C862&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/04\/hemisphere-nord-ocean-salinite-concentration-amoc-gulf-stream.png?fit=1200%2C862&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/04\/hemisphere-nord-ocean-salinite-concentration-amoc-gulf-stream.png?fit=1200%2C862&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/04\/hemisphere-nord-ocean-salinite-concentration-amoc-gulf-stream.png?fit=1200%2C862&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":4097,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-rechauffement-global-a-modifie-la-salinite-du-gs\/","url_meta":{"origin":2646,"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":3088,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-mediterranee-et-le-gulf-stream\/","url_meta":{"origin":2646,"position":4},"title":"La M\u00e9diterran\u00e9e et le Gulf Stream","author":"Admin","date":"19 octobre 2005","format":false,"excerpt":"Nous avons vu dans un tr\u00e8s grand nombre d'articles le probl\u00e8me du Gulf Stream et son affaiblissement actuel. Chute de la salinit\u00e9 graduelle depuis 30 ans, apport d'eau douce majeur dans l'Arctique, arr\u00eat du tapis roulant, bref notre Gulf Stream est en mauvais \u00e9tat avec un affaiblissement de l'ordre de\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\/gibraltar1.jpeg?fit=500%2C500&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":17149,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-gulf-stream-fait-pleuvoir-en-europe-et-en-amerique-du-nord\/","url_meta":{"origin":2646,"position":5},"title":"Le Gulf Stream fait pleuvoir en Europe et en Am\u00e9rique du nord","author":"Admin","date":"13 novembre 2018","format":false,"excerpt":"Des chercheurs am\u00e9ricains ont d\u00e9termin\u00e9 une corr\u00e9lation forte entre la force du Gulf Stream et la quantit\u00e9 de pluies tombant sur les continents bordant l\u2019Atlantique nord. AGE CLACIAIRE. La force du Gulf Stream et le r\u00e9gime des pr\u00e9cipitations sur l'Am\u00e9rique du Nord et l'Europe sont \u00e9troitement li\u00e9s et ce depuis\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\/2018\/11\/gulf-stream.jpg?fit=950%2C520&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/gulf-stream.jpg?fit=950%2C520&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/gulf-stream.jpg?fit=950%2C520&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/gulf-stream.jpg?fit=950%2C520&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2646","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=2646"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2646\/revisions"}],"predecessor-version":[{"id":2648,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2646\/revisions\/2648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/2647"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=2646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=2646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=2646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}