{"id":8444,"date":"2015-09-29T15:00:16","date_gmt":"2015-09-29T13:00:16","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=8444"},"modified":"2026-06-08T10:37:57","modified_gmt":"2026-06-08T10:37:57","slug":"une-tache-dans-latlantique-inquiete","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/une-tache-dans-latlantique-inquiete\/","title":{"rendered":"Une tache dans l\u2019Atlantique inqui\u00e8te"},"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 class=\"excerpt\" style=\"text-align: justify;\"><strong>Les huit premiers mois de 2015 ont \u00e9t\u00e9 plus chauds que la moyenne sur la plan\u00e8te, \u00e0 l\u2019exception de l\u2019Atlantique Nord, pr\u00e8s du Groenland. Cette tache bleue sur la carte de la NOAA inqui\u00e8te certains scientifiques qui craignent un ralentissement de la circulation oc\u00e9anique en raison de la fonte glaciaire du Groenland.<\/strong><\/p>\n<p style=\"text-align: justify;\">En mars dernier, dans un article du <em>Nature Climate Change<\/em>, des scientifiques ont d\u00e9fendu cette hypoth\u00e8se voulant que la circulation thermohaline ait tendance \u00e0 s\u2019affaiblir.<\/p>\n<p style=\"text-align: justify;\">Cette circulation est aliment\u00e9e par la diff\u00e9rence de temp\u00e9ratures et la salinit\u00e9 de l\u2019eau. Or, un affaiblissement de ce courant serait caus\u00e9 par l\u2019injection d\u2019eau douce provenant de la fonte glaciaire.<\/p>\n<p style=\"text-align: justify;\">En d\u2019autres mots, cette tache bleue serait une cons\u00e9quence indirecte de l\u2019eau douce plus froide provenant des milliers de tonnes de glace qui fondent chaque ann\u00e9e au Groenland.<\/p>\n<p style=\"text-align: justify;\">Les scientifiques n\u2019ont cependant pas toutes les r\u00e9ponses \u00e0 leurs questions. Cette concentration d\u2019eau plus froide pourrait notamment modifier le courant oc\u00e9anique \u2013Gulf Stream- et avoir des impacts sur le climat en Europe.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">TDF<\/a><\/p>\n<p style=\"text-align: justify;\">Sources : <a href=\"https:\/\/www.washingtonpost.com\/news\/energy-environment\/wp\/2015\/09\/24\/why-some-scientists-are-worried-about-a-cold-blob-in-the-north-atlantic-ocean\/\">The Washington Post<\/a>\u00a0\/\u00a0<a href=\"https:\/\/www.meteomedia.com\/\">http:\/\/www.meteomedia.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"8444\">(3008)<\/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>Les huit premiers mois de 2015 ont \u00e9t\u00e9 plus chauds que la moyenne sur la plan\u00e8te, \u00e0 l\u2019exception de l\u2019Atlantique&#8230;<\/p>\n","protected":false},"author":1,"featured_media":8445,"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_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[23],"tags":[242,3073,2506,337,153,396,55,4780,269,4779],"class_list":["post-8444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-circulation-oceanique","tag-atlantique","tag-carte-mondiale","tag-circulation-thermohaline","tag-courant-marin","tag-froid","tag-gulf-stream","tag-meteo","tag-nature-climate-change","tag-noaa","tag-tache","wpcat-23-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/carte-mondiale-temperatures-2015.gif?fit=990%2C766&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-2cc","jetpack-related-posts":[{"id":17775,"url":"https:\/\/www.laterredufutur.com\/accueil\/dans-latlantique-nord-lequilibre-de-la-circulation-oceanique-atlantique-amoc-est-altere\/","url_meta":{"origin":8444,"position":0},"title":"Dans l\u2019Atlantique Nord, l\u2019\u00e9quilibre de la circulation oc\u00e9anique Atlantique (Amoc) est alt\u00e9r\u00e9","author":"Admin","date":"15 janvier 2019","format":false,"excerpt":"Approcherait-on du sc\u00e9nario catastrophe du film le Jour d\u2019apr\u00e8s, sorti en 2004 ? La modification des courants marins qui influencent la m\u00e9t\u00e9o en Europe comme en Am\u00e9rique du Nord est un effet redout\u00e9 du bouleversement climatique en cours. Un point de bascule majeur, c\u2019est-\u00e0-dire l\u2019un de ces changements abrupts et\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\/2019\/01\/atlantique-nord-ocean.jpg?fit=1057%2C694&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/atlantique-nord-ocean.jpg?fit=1057%2C694&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/atlantique-nord-ocean.jpg?fit=1057%2C694&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/atlantique-nord-ocean.jpg?fit=1057%2C694&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/atlantique-nord-ocean.jpg?fit=1057%2C694&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2526,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-gulf-stream-ralentit-en-raison-de-la-fonte-de-la-calotte-glaciaire-du-groenland\/","url_meta":{"origin":8444,"position":1},"title":"Le Gulf Stream ralentit en raison de la fonte de la calotte glaciaire du Groenland","author":"Admin","date":"26 mars 2015","format":false,"excerpt":"Selon les scientifiques, la fonte progressive de la calotte glaciaire du Groenland, en rapport avec le r\u00e9chauffement climatique, ralentit la circulation du Gulf Stream. Le r\u00e9chauffement de la plan\u00e8te par l'homme est consid\u00e9r\u00e9 comme un acteur majeur de l'amincissement et de la disparition de la glace dans le monde entier.\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\/03\/.._spaw_images_gulfstream.jpeg?fit=230%2C223&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5905,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-fonte-de-linlandsis-groenlandais-est-rapide-et-ralentit-le-gulf-stream\/","url_meta":{"origin":8444,"position":2},"title":"La fonte de l&rsquo;inlandsis groenlandais est rapide et ralentit le Gulf Stream","author":"Admin","date":"20 avril 2015","format":false,"excerpt":"Selon la National Oceanic and Atmospheric Administration (NOAA), l'hiver 2014-15 dans l'H\u00e9misph\u00e8re Nord reste l'un des plus chauds \u00e0 l'\u00e9chelle mondiale. Mais si vous regardez de pr\u00e8s les cartes de la temp\u00e9rature mondiale, il devient clair qu'une zone de l'Atlantique Nord r\u00e9siste manifestement \u00e0 la tendance. Cette r\u00e9gion \u00e9tait, en\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\/groenland2.jpg?fit=544%2C352&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/groenland2.jpg?fit=544%2C352&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/groenland2.jpg?fit=544%2C352&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":16546,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-courant-nord-atlantique-au-plus-bas-depuis-1600-ans\/","url_meta":{"origin":8444,"position":3},"title":"La courant nord atlantique au plus bas depuis 1600 ans","author":"Admin","date":"22 avril 2018","format":false,"excerpt":"Le constat inqui\u00e8te les scientifiques. La circulation des courants oc\u00e9aniques dans l'Atlantique, qui contribuent \u00e0 la r\u00e9gulation du climat mondial, est \u00e0 son plus faible niveau en 1.600 ans, mettent en garde mercredi 11 avril 2018 des chercheurs. Deux \u00e9tudes parues dans Nature viennent valider l'hypoth\u00e8se de longue date d'un\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\/04\/modelisation-gulf-stream-ocean-atlantique.jpg?fit=960%2C614&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/04\/modelisation-gulf-stream-ocean-atlantique.jpg?fit=960%2C614&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/04\/modelisation-gulf-stream-ocean-atlantique.jpg?fit=960%2C614&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/04\/modelisation-gulf-stream-ocean-atlantique.jpg?fit=960%2C614&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2573,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-groenland-se-refroidit\/","url_meta":{"origin":8444,"position":4},"title":"Le Groenland se refroidit-il vraiment ? Ce que r\u00e9v\u00e8lent les observations modernes","author":"Admin","date":"12 d\u00e9cembre 2004","format":false,"excerpt":"Pendant de nombreuses ann\u00e9es, certains chercheurs ont observ\u00e9 des zones de refroidissement localis\u00e9es dans l'Atlantique Nord, au large du Groenland et du Labrador. Ces observations ont parfois conduit \u00e0 l'id\u00e9e que le Groenland pourrait \u00e9chapper au r\u00e9chauffement climatique, voire conna\u00eetre un refroidissement durable. En 2026, les donn\u00e9es scientifiques dressent un\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\/2026\/06\/Groenland-vu-dun-voilier-ocean-Atlantique-.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/06\/Groenland-vu-dun-voilier-ocean-Atlantique-.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/06\/Groenland-vu-dun-voilier-ocean-Atlantique-.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/06\/Groenland-vu-dun-voilier-ocean-Atlantique-.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/06\/Groenland-vu-dun-voilier-ocean-Atlantique-.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3136,"url":"https:\/\/www.laterredufutur.com\/accueil\/lotan-avertit-dun-brusque-changement-climatique\/","url_meta":{"origin":8444,"position":5},"title":"L&rsquo;OTAN avertit d&rsquo;un brusque changement climatique","author":"Admin","date":"20 novembre 2005","format":false,"excerpt":"L'OTAN avertit que le r\u00e9chauffement global pourrait d\u00e9clencher un brusque changement climatique apportant un fort refroidissement sur l'h\u00e9misph\u00e8re Nord. Ici cette \u00e9tude de l'OTAN est accompagn\u00e9e d'\u00e9tudes du GIEC et une nouvelle facette de cet organisme qui d\u00e9montre qu'un r\u00e9chauffement en cours peut r\u00e9ellement d\u00e9clencher un tr\u00e8s fort refroidissement dans\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8444","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=8444"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8444\/revisions"}],"predecessor-version":[{"id":8447,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8444\/revisions\/8447"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/8445"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=8444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=8444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=8444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}