{"id":17623,"date":"2022-01-11T17:22:57","date_gmt":"2022-01-11T17:22:57","guid":{"rendered":"https:\/\/www.africa-press.net\/tchad\/politique\/les-temperatures-oceaniques-ont-battu-des-records-en-2021"},"modified":"2022-01-11T18:27:44","modified_gmt":"2022-01-11T18:27:44","slug":"les-temperatures-oceaniques-ont-battu-des-records-en-2021","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021","title":{"rendered":"Les temp\u00e9ratures oc\u00e9aniques ont battu des records en 2021"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Tchad. <\/strong><\/span>La couche sup\u00e9rieure des oc\u00e9ans ne cesse de se r\u00e9chauffer depuis plusieurs ann\u00e9es, mais l\u2019ann\u00e9e 2021 a battu des records, selon une r\u00e9cente \u00e9tude. Ce ph\u00e9nom\u00e8ne est induit par l\u2019homme, affirment les scientifiques.<\/p>\n<p>Deux mois apr\u00e8s la cl\u00f4ture de la COP26, consid\u00e9r\u00e9e par certains observateurs comme un \u00e9chec, les mauvaises nouvelles se succ\u00e8dent sur le front du climat. Les oc\u00e9ans du globe ont ainsi vu leur temp\u00e9rature augmenter en 2021, rapporte une \u00e9tude men\u00e9e par des scientifiques am\u00e9ricains et chinois, publi\u00e9e dans revue Advances in Atmospheric Sciences.<\/p>\n<p>Un changement observable dans les 2.000 m\u00e8tres de la couche sup\u00e9rieure des oc\u00e9ans, qui a absorb\u00e9 14 zettajoules de plus qu\u2019en 2020. Une masse \u00e9nerg\u00e9tique \u00e9norme, \u00e9quivalente \u00e0 145 fois la production mondiale d\u2019\u00e9lectricit\u00e9, souligne l\u2019Institute of Atmospheric Physics de P\u00e9kin dans un communiqu\u00e9.<\/p>\n<p>En excluant les anomalies thermiques naturelles, comme El Ni\u00f1o et La Ni\u00f1a, les scientifiques ont globalement conclu \u00e0 un r\u00e9chauffement constant des oc\u00e9ans depuis la fin des ann\u00e9es 1950.<\/p>\n<p>Un r\u00e9sultat qui a des cons\u00e9quences d\u00e9sastreuses, puisqu\u2019il influe sur la mont\u00e9e du niveau de la mer, mais aussi sur certains ph\u00e9nom\u00e8nes m\u00e9t\u00e9orologiques, comme l\u2019explique Lijing Cheng, auteur principal de l\u2019\u00e9tude dans ce communiqu\u00e9.<\/p>\n<p>L\u2019\u00e9l\u00e9vation du niveau de la mer est d\u2019ailleurs devenue une pr\u00e9occupation climatique majeure ces derni\u00e8res ann\u00e9es. De nombreux observateurs pensent que certains littoraux pourraient \u00e0 terme se retrouver submerg\u00e9s.<\/p>\n<p>Le ph\u00e9nom\u00e8ne est particuli\u00e8rement pr\u00e9gnant \u00e0 Jakarta, d\u00e9j\u00e0 d\u00e9vast\u00e9e par plusieurs inondations li\u00e9es \u00e0 la mont\u00e9e des eaux. Le gouvernement indon\u00e9sien envisage d\u00e9sormais de transf\u00e9rer sa capitale dans une autre ville du pays.<\/p>\n<p><b>La main de l\u2019homme<\/b><\/p>\n<p>Pour les auteurs de l\u2019\u00e9tude, la source de ce r\u00e9chauffement oc\u00e9anique ne fait aucun doute: l\u2019activit\u00e9 humaine, et particuli\u00e8rement les \u00e9missions de dioxyde de carbone. Celles-ci sont retenues par les oc\u00e9ans, ce qui a pour effet de les acidifier.<\/p>\n<p>Les concepts de \u00ab\u00a0z\u00e9ro \u00e9mission nette\u00a0\u00bb et de \u00ab\u00a0neutralit\u00e9 carbone\u00a0\u00bb ont fait irruption dans le d\u00e9bat public ces derni\u00e8res ann\u00e9es. Ils ont notamment \u00e9t\u00e9 mis en avant par les Accords de Paris, au travers desquels plusieurs pays se sont engag\u00e9s \u00e0 essayer d\u2019atteindre le point d\u2019\u00e9quilibre entre les \u00e9missions de gaz \u00e0 effet de serre et l\u2019absorption permise par les r\u00e9servoirs de carbone, comme les for\u00eats.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/tchad\">Tchad<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Tchad. La couche sup\u00e9rieure des oc\u00e9ans ne cesse de se r\u00e9chauffer depuis plusieurs ann\u00e9es, mais l\u2019ann\u00e9e 2021 a battu des records, selon une r\u00e9cente \u00e9tude. Ce ph\u00e9nom\u00e8ne est induit par l\u2019homme, affirment les scientifiques. Deux mois apr\u00e8s la cl\u00f4ture de la COP26, consid\u00e9r\u00e9e par certains observateurs comme un \u00e9chec, les mauvaises nouvelles se [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":17622,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,11,10],"tags":[37,292,29],"class_list":["post-17623","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-tchad","tag-tchad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Les temp\u00e9ratures oc\u00e9aniques ont battu des records en 2021 - tchad<\/title>\n<meta name=\"description\" content=\"La couche sup\u00e9rieure des oc\u00e9ans ne cesse de se r\u00e9chauffer depuis plusieurs ann\u00e9es, mais l\u2019ann\u00e9e 2021 a battu des records ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les temp\u00e9ratures oc\u00e9aniques ont battu des records en 2021\" \/>\n<meta property=\"og:description\" content=\"La couche sup\u00e9rieure des oc\u00e9ans ne cesse de se r\u00e9chauffer depuis plusieurs ann\u00e9es, mais l\u2019ann\u00e9e 2021 a battu des records ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\" \/>\n<meta property=\"og:site_name\" content=\"tchad\" \/>\n<meta property=\"article:published_time\" content=\"2022-01-11T17:22:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-11T18:27:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/tchad\/sites\/41\/2022\/01\/img-61ddcbda27388.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Les temp\u00e9ratures oc\u00e9aniques ont battu des records en 2021\",\"datePublished\":\"2022-01-11T17:22:57+00:00\",\"dateModified\":\"2022-01-11T18:27:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\"},\"wordCount\":456,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/tchad\/sites\/41\/2022\/01\/img-61ddcbda27388.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Tchad\",\"Tchad\"],\"articleSection\":[\"Divers\",\"homepage-french\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\",\"url\":\"https:\/\/www.africa-press.net\/tchad\/toutes-les-actualites\/les-temperatures-oceaniques-ont-battu-des-records-en-2021\",\"name\":\"Les temp\u00e9ratures oc\u00e9aniques ont battu des records en 2021 - 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