{"id":30482,"date":"2026-09-22T07:00:20","date_gmt":"2026-09-22T05:00:20","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=30482"},"modified":"2026-09-17T10:02:31","modified_gmt":"2026-09-17T08:02:31","slug":"hunga-tonga-a-declenche-une-etrange-reaction-chimique-capable-de-detruire-le-methane-dans-latmosphere","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/hunga-tonga-a-declenche-une-etrange-reaction-chimique-capable-de-detruire-le-methane-dans-latmosphere\/","title":{"rendered":"Hunga Tonga a d\u00e9clench\u00e9 une \u00e9trange r\u00e9action chimique capable de d\u00e9truire le m\u00e9thane dans l\u2019atmosph\u00e8re"},"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 dir=\"auto\" data-start=\"116\" data-end=\"538\">Lorsqu\u2019il a explos\u00e9 le 15 janvier 2022 au c\u0153ur du Pacifique Sud, le volcan sous-marin <strong data-start=\"202\" data-end=\"231\">Hunga Tonga\u2013Hunga Ha&rsquo;apai<\/strong> a boulevers\u00e9 l\u2019atmosph\u00e8re comme peu d\u2019\u00e9ruptions modernes l\u2019avaient fait auparavant. Son panache a atteint environ <strong data-start=\"346\" data-end=\"374\">57 kilom\u00e8tres d\u2019altitude<\/strong>, jusque dans la m\u00e9sosph\u00e8re, tandis qu\u2019une quantit\u00e9 exceptionnelle d\u2019eau de mer vaporis\u00e9e a \u00e9t\u00e9 projet\u00e9e dans la stratosph\u00e8re.<\/p>\n<p dir=\"auto\" data-start=\"540\" data-end=\"941\">Mais quatre ans apr\u00e8s l\u2019\u00e9ruption, les scientifiques continuent de d\u00e9couvrir des ph\u00e9nom\u00e8nes inattendus dans son panache. Une \u00e9tude publi\u00e9e en mai 2026 dans <em data-start=\"695\" data-end=\"718\">Nature Communications<\/em> sugg\u00e8re notamment que l\u2019\u00e9ruption a d\u00e9clench\u00e9 une <strong data-start=\"768\" data-end=\"816\">chimie extr\u00eamement r\u00e9active \u00e0 base de chlore<\/strong>, capable d\u2019oxyder \u2014 et donc de faire dispara\u00eetre \u2014 d\u2019importantes quantit\u00e9s de m\u00e9thane.<\/p>\n<p dir=\"auto\" data-start=\"943\" data-end=\"989\">Et le m\u00e9canisme est particuli\u00e8rement \u00e9tonnant.<\/p>\n<h2 dir=\"auto\" data-section-id=\"1pcqit8\" data-start=\"991\" data-end=\"1056\">Un volcan qui injecte du m\u00e9thane\u2026 puis contribue \u00e0 le d\u00e9truire<\/h2>\n<p dir=\"auto\" data-start=\"1058\" data-end=\"1251\">Le m\u00e9thane, ou CH\u2084, est un puissant gaz \u00e0 effet de serre. Dans l\u2019atmosph\u00e8re, il ne reste heureusement pas \u00e9ternellement : diff\u00e9rentes r\u00e9actions chimiques finissent progressivement par l\u2019oxyder.<\/p>\n<p dir=\"auto\" data-start=\"1253\" data-end=\"1423\">Habituellement, le principal \u00ab nettoyeur \u00bb du m\u00e9thane est le <strong data-start=\"1314\" data-end=\"1338\">radical hydroxyle OH<\/strong>, une mol\u00e9cule extr\u00eamement r\u00e9active parfois surnomm\u00e9e le <em data-start=\"1395\" data-end=\"1422\">d\u00e9tergent de l\u2019atmosph\u00e8re<\/em>.<\/p>\n<p dir=\"auto\" data-start=\"1425\" data-end=\"1516\">Mais dans le panache de Hunga Tonga, les chercheurs ont d\u00e9tect\u00e9 quelque chose de diff\u00e9rent.<\/p>\n<p dir=\"auto\" data-start=\"1518\" data-end=\"1890\">Gr\u00e2ce aux observations du satellite europ\u00e9en <strong data-start=\"1563\" data-end=\"1607\">Sentinel-5P et de son instrument TROPOMI<\/strong>, l&rsquo;\u00e9quipe a observ\u00e9 une quantit\u00e9 anormalement \u00e9lev\u00e9e de <strong data-start=\"1664\" data-end=\"1687\">formald\u00e9hyde (HCHO)<\/strong> vers 30 kilom\u00e8tres d&rsquo;altitude. Cette anomalie atteignait jusqu&rsquo;\u00e0 environ <strong data-start=\"1761\" data-end=\"1788\">12 parties par milliard<\/strong> et est rest\u00e9e d\u00e9tectable pendant au moins une dizaine de jours.<\/p>\n<p dir=\"auto\" data-start=\"1892\" data-end=\"2006\">Or le formald\u00e9hyde constitue justement l&rsquo;un des produits interm\u00e9diaires apparaissant lorsque le m\u00e9thane est oxyd\u00e9.<\/p>\n<p dir=\"auto\" data-start=\"2008\" data-end=\"2114\">Autrement dit, les chercheurs avaient sous les yeux la signature chimique d&rsquo;une destruction rapide de CH\u2084.<\/p>\n<figure id=\"attachment_30484\" aria-describedby=\"caption-attachment-30484\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"30484\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/hunga-tonga-a-declenche-une-etrange-reaction-chimique-capable-de-detruire-le-methane-dans-latmosphere\/explosion-du-volcan-tonga\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?fit=1536%2C1536&amp;ssl=1\" data-orig-size=\"1536,1536\" data-comments-opened=\"0\" 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;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"explosion du volcan tonga\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?fit=800%2C800&amp;ssl=1\" class=\"wp-image-30484 size-large\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=800%2C800&#038;ssl=1\" alt=\"\" width=\"800\" height=\"800\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=800%2C800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=60%2C60&amp;ssl=1 60w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=144%2C144&amp;ssl=1 144w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=1226%2C1226&amp;ssl=1 1226w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=928%2C928&amp;ssl=1 928w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=480%2C480&amp;ssl=1 480w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?resize=100%2C100&amp;ssl=1 100w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga.webp?w=1536&amp;ssl=1 1536w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-30484\" class=\"wp-caption-text\"><em>Gros plan de l&rsquo;\u00e9ruption, pris par le satellite japonais Himawari-8 \u00e0 05h40 UTC le 15 janvier 2022, environ 100 minutes apr\u00e8s le d\u00e9but de l&rsquo;\u00e9ruption. Cr\u00e9dit : Simon Proud \/ Uni Oxford, RALSpace NCEO \/ Agence m\u00e9t\u00e9orologique japonaise<\/em><\/figcaption><\/figure>\n<h2 dir=\"auto\" data-section-id=\"14u7wdw\" data-start=\"2116\" data-end=\"2160\">Le chlore serait le v\u00e9ritable responsable<\/h2>\n<p dir=\"auto\" data-start=\"2162\" data-end=\"2259\">Pour expliquer cette r\u00e9action, l&rsquo;\u00e9tude pointe vers des <strong data-start=\"2217\" data-end=\"2258\">atomes de chlore extr\u00eamement r\u00e9actifs<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"2261\" data-end=\"2346\">Dans certaines conditions, un atome de chlore peut attaquer une mol\u00e9cule de m\u00e9thane :<\/p>\n<p dir=\"auto\" data-start=\"2348\" data-end=\"2399\"><strong data-start=\"2348\" data-end=\"2399\">CH\u2084 \u2192 produits interm\u00e9diaires \u2192 HCHO \u2192 CO \u2192 CO\u2082<\/strong><\/p>\n<p dir=\"auto\" data-start=\"2401\" data-end=\"2542\">Le m\u00e9thane n&rsquo;est donc pas simplement d\u00e9plac\u00e9 : sa mol\u00e9cule est chimiquement transform\u00e9e et cesse progressivement d&rsquo;exister sous forme de CH\u2084.<\/p>\n<p dir=\"auto\" data-start=\"2544\" data-end=\"2731\">D&rsquo;apr\u00e8s les calculs de l&rsquo;\u00e9tude, environ <strong data-start=\"2584\" data-end=\"2648\">900 \u00b1 220 tonnes de m\u00e9thane auraient \u00e9t\u00e9 oxyd\u00e9es chaque jour<\/strong> dans le panache pendant la p\u00e9riode observ\u00e9e.<\/p>\n<p dir=\"auto\" data-start=\"2733\" data-end=\"2788\">C&rsquo;est consid\u00e9rable \u00e0 l&rsquo;\u00e9chelle d&rsquo;un panache volcanique.<\/p>\n<p dir=\"auto\" data-start=\"2790\" data-end=\"3091\">Les scientifiques estiment \u00e9galement que l&rsquo;\u00e9ruption aurait projet\u00e9 au minimum <strong data-start=\"2868\" data-end=\"2908\">330 000 tonnes de m\u00e9thane volcanique<\/strong> dans la stratosph\u00e8re. Une partie de ce m\u00e9thane aurait donc commenc\u00e9 \u00e0 \u00eatre d\u00e9truite presque imm\u00e9diatement par la chimie cr\u00e9\u00e9e autour du panache.<\/p>\n<p dir=\"auto\" data-start=\"2790\" data-end=\"3091\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"30489\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/hunga-tonga-a-declenche-une-etrange-reaction-chimique-capable-de-detruire-le-methane-dans-latmosphere\/destruction-methane-atmosphere-suite-eruption-du-tonga\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?fit=1448%2C1086&amp;ssl=1\" data-orig-size=\"1448,1086\" data-comments-opened=\"0\" 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;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"destruction methane atmosphere suite eruption du tonga\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?fit=800%2C600&amp;ssl=1\" class=\"aligncenter wp-image-30489 size-full\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=1448%2C1086&#038;ssl=1\" alt=\"\" width=\"1448\" height=\"1086\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?w=1448&amp;ssl=1 1448w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=800%2C600&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=80%2C60&amp;ssl=1 80w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=1226%2C920&amp;ssl=1 1226w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=928%2C696&amp;ssl=1 928w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/destruction-methane-atmosphere-suite-eruption-du-tonga.png?resize=480%2C360&amp;ssl=1 480w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h3 dir=\"auto\" data-section-id=\"9302d8\" data-start=\"3093\" data-end=\"3140\">Mais d&rsquo;o\u00f9 venait autant de chlore r\u00e9actif ?<\/h3>\n<p dir=\"auto\" data-start=\"3142\" data-end=\"3199\">C&rsquo;est l\u00e0 que l&rsquo;histoire devient encore plus int\u00e9ressante.<\/p>\n<p dir=\"auto\" data-start=\"3201\" data-end=\"3528\">Les m\u00e9canismes atmosph\u00e9riques classiques ne semblent pas pouvoir expliquer les quantit\u00e9s n\u00e9cessaires. Pour reproduire les observations, les chercheurs calculent qu&rsquo;il aurait fallu une production continue d&rsquo;environ <strong data-start=\"3415\" data-end=\"3473\">2 \u00e0 5 millions de kilogrammes de chlore actif par jour<\/strong> dans le panache.<\/p>\n<p dir=\"auto\" data-start=\"3530\" data-end=\"3674\">Ils proposent alors un m\u00e9canisme inhabituel impliquant les <strong data-start=\"3589\" data-end=\"3673\">cendres volcaniques, le fer, le chlore marin, les sulfates et la lumi\u00e8re solaire<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"3676\" data-end=\"3873\">Le volcan \u00e9tant sous-marin, son explosion a violemment m\u00e9lang\u00e9 magma, roches et eau de mer. Des particules contenant notamment du fer et du chlore ont pu \u00eatre projet\u00e9es tr\u00e8s haut dans l&rsquo;atmosph\u00e8re.<\/p>\n<p dir=\"auto\" data-start=\"3875\" data-end=\"4015\">Une fois recouvertes de compos\u00e9s sulfat\u00e9s, certaines de ces particules auraient fonctionn\u00e9 comme de minuscules <strong data-start=\"3986\" data-end=\"4014\">r\u00e9acteurs photochimiques<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"4017\" data-end=\"4174\">Sous l&rsquo;action du rayonnement solaire, des compos\u00e9s fer-chlore pr\u00e9sents sur les particules auraient lib\u00e9r\u00e9 du chlore sous une forme particuli\u00e8rement r\u00e9active.<\/p>\n<p dir=\"auto\" data-start=\"4176\" data-end=\"4223\">Et ce chlore aurait ensuite attaqu\u00e9 le m\u00e9thane.<\/p>\n<p dir=\"auto\" data-start=\"4225\" data-end=\"4241\">En simplifiant :<\/p>\n<p dir=\"auto\" data-start=\"4243\" data-end=\"4379\"><strong data-start=\"4243\" data-end=\"4379\">eau de mer + magma + cendres \u2192 particules contenant du chlore et du fer \u2192 lumi\u00e8re solaire \u2192 chlore r\u00e9actif \u2192 destruction du m\u00e9thane.<\/strong><\/p>\n<p dir=\"auto\" data-start=\"4381\" data-end=\"4635\">Les auteurs consid\u00e8rent cette photchimie du chlorure de fer sur des cendres volcaniques recouvertes de sulfates comme une explication plausible des observations, m\u00eame si certaines \u00e9tapes doivent encore \u00eatre \u00e9tudi\u00e9es.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/dU_cuWMl9KQ?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;start=3&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<h2 dir=\"auto\" data-section-id=\"f8fwsd\" data-start=\"4637\" data-end=\"4697\">Hunga Tonga \u00e9tait un laboratoire atmosph\u00e9rique hors norme<\/h2>\n<p dir=\"auto\" data-start=\"4699\" data-end=\"4757\">L&rsquo;\u00e9ruption de 2022 \u00e9tait de toute fa\u00e7on tr\u00e8s particuli\u00e8re.<\/p>\n<p dir=\"auto\" data-start=\"4759\" data-end=\"4957\">La caldeira du volcan se trouvait \u00e0 environ <strong data-start=\"4803\" data-end=\"4844\">150 m\u00e8tres sous la surface de l&rsquo;oc\u00e9an<\/strong>. L&rsquo;explosion a donc projet\u00e9 simultan\u00e9ment magma et quantit\u00e9s gigantesques d&rsquo;eau de mer vers la haute atmosph\u00e8re.<\/p>\n<p dir=\"auto\" data-start=\"4959\" data-end=\"5224\">Les mesures de la NASA indiquent qu&rsquo;environ <strong data-start=\"5003\" data-end=\"5045\">146 millions de tonnes de vapeur d&rsquo;eau<\/strong> ont atteint la stratosph\u00e8re, soit une augmentation proche de <strong data-start=\"5107\" data-end=\"5185\">10 % de toute l&rsquo;eau normalement pr\u00e9sente dans cette couche de l&rsquo;atmosph\u00e8re<\/strong>.<\/p>\n<p dir=\"auto\" data-start=\"5226\" data-end=\"5317\">Une situation pratiquement sans pr\u00e9c\u00e9dent depuis que les satellites observent l&rsquo;atmosph\u00e8re.<\/p>\n<p dir=\"auto\" data-start=\"5319\" data-end=\"5489\">Ce m\u00e9lange unique d&rsquo;eau, de sel marin, de chlore, de soufre, de cendres et de m\u00e9taux a probablement cr\u00e9\u00e9 des conditions chimiques rarement observ\u00e9es \u00e0 une telle altitude.<\/p>\n<h2 dir=\"auto\" data-section-id=\"wg3ybl\" data-start=\"5491\" data-end=\"5563\">Le volcan a-t-il alors refroidi la plan\u00e8te en d\u00e9truisant du m\u00e9thane ?<\/h2>\n<p dir=\"auto\" data-start=\"5565\" data-end=\"5604\">Il faut \u00eatre tr\u00e8s prudent sur ce point.<\/p>\n<p dir=\"auto\" data-start=\"5606\" data-end=\"5741\"><strong data-start=\"5606\" data-end=\"5741\">Non, cette d\u00e9couverte ne signifie pas que Hunga Tonga a fait baisser de mani\u00e8re significative la concentration mondiale de m\u00e9thane.<\/strong><\/p>\n<p dir=\"auto\" data-start=\"5743\" data-end=\"5938\">Les quelque 900 tonnes par jour calcul\u00e9es par les chercheurs concernent essentiellement le panache volcanique \u00e9tudi\u00e9. \u00c0 l&rsquo;\u00e9chelle du r\u00e9servoir mondial de m\u00e9thane atmosph\u00e9rique, cela reste faible.<\/p>\n<p dir=\"auto\" data-start=\"5940\" data-end=\"6242\">Et surtout, l&rsquo;\u00e9ruption elle-m\u00eame aurait inject\u00e9 au moins <strong data-start=\"5997\" data-end=\"6026\">330 000 tonnes de m\u00e9thane<\/strong> dans la stratosph\u00e8re. Le ph\u00e9nom\u00e8ne ressemble donc davantage \u00e0 un volcan ayant cr\u00e9\u00e9 une partie de sa propre pollution au m\u00e9thane avant d&rsquo;en d\u00e9truire progressivement une fraction.<\/p>\n<p dir=\"auto\" data-start=\"6244\" data-end=\"6720\">L&rsquo;effet climatique global du Hunga Tonga est d&rsquo;ailleurs beaucoup plus complexe. Son gigantesque apport de vapeur d&rsquo;eau stratosph\u00e9rique peut avoir des cons\u00e9quences radiatives et chimiques pendant plusieurs ann\u00e9es. La NASA avait notamment estim\u00e9 d\u00e8s 2022 que cet exc\u00e8s d&rsquo;eau pouvait produire un <strong data-start=\"6537\" data-end=\"6580\">petit effet de r\u00e9chauffement temporaire<\/strong>, contrairement aux grandes \u00e9ruptions riches en soufre qui tendent g\u00e9n\u00e9ralement \u00e0 refroidir le climat.<\/p>\n<p dir=\"auto\" data-start=\"6244\" data-end=\"6720\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"30487\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/hunga-tonga-a-declenche-une-etrange-reaction-chimique-capable-de-detruire-le-methane-dans-latmosphere\/explosion-du-volcan-tonga-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?fit=1480%2C740&amp;ssl=1\" data-orig-size=\"1480,740\" data-comments-opened=\"0\" 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;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"explosion du volcan tonga\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?fit=800%2C400&amp;ssl=1\" class=\"aligncenter wp-image-30487 size-large\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=800%2C400&#038;ssl=1\" alt=\"\" width=\"800\" height=\"400\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=800%2C400&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=300%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=80%2C40&amp;ssl=1 80w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=768%2C384&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=1226%2C613&amp;ssl=1 1226w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=928%2C464&amp;ssl=1 928w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?resize=480%2C240&amp;ssl=1 480w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?w=1480&amp;ssl=1 1480w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 dir=\"auto\" data-section-id=\"110w42q\" data-start=\"6722\" data-end=\"6785\">Une d\u00e9couverte qui pourrait d\u00e9passer largement le volcanisme<\/h2>\n<p dir=\"auto\" data-start=\"6787\" data-end=\"6843\">L&rsquo;int\u00e9r\u00eat de cette \u00e9tude ne se limite pas \u00e0 Hunga Tonga.<\/p>\n<p dir=\"auto\" data-start=\"6845\" data-end=\"7031\">Elle d\u00e9montre surtout qu&rsquo;il est possible de <strong data-start=\"6889\" data-end=\"6962\">mesurer depuis l&rsquo;espace une acc\u00e9l\u00e9ration de la destruction du m\u00e9thane<\/strong>, notamment en suivant le formald\u00e9hyde produit pendant son oxydation.<\/p>\n<p dir=\"auto\" data-start=\"7033\" data-end=\"7166\">Cette m\u00e9thode pourrait devenir pr\u00e9cieuse pour mieux comprendre les variations naturelles de la dur\u00e9e de vie du m\u00e9thane atmosph\u00e9rique.<\/p>\n<p dir=\"auto\" data-start=\"7168\" data-end=\"7546\">Elle pourrait \u00e9galement servir un jour \u00e0 v\u00e9rifier l&rsquo;efficacit\u00e9 de technologies cherchant \u00e0 acc\u00e9l\u00e9rer artificiellement l&rsquo;oxydation du m\u00e9thane. Les auteurs \u00e9voquent cette possibilit\u00e9, mais il s&rsquo;agit pour l&rsquo;instant essentiellement d&rsquo;un <strong data-start=\"7401\" data-end=\"7447\">outil de mesure et d&rsquo;un sujet de recherche<\/strong>, pas d&rsquo;une m\u00e9thode pr\u00eate \u00e0 \u00eatre utilis\u00e9e \u00e0 grande \u00e9chelle.<\/p>\n<h2 dir=\"auto\" data-section-id=\"1v7cf5r\" data-start=\"7548\" data-end=\"7594\">L&rsquo;atmosph\u00e8re est encore pleine de surprises<\/h2>\n<p dir=\"auto\" data-start=\"7596\" data-end=\"7727\">Hunga Tonga appara\u00eet finalement comme une gigantesque exp\u00e9rience de chimie atmosph\u00e9rique d\u00e9clench\u00e9e accidentellement par la nature.<\/p>\n<p dir=\"auto\" data-start=\"7729\" data-end=\"8027\">L&rsquo;\u00e9ruption n&rsquo;a pas seulement projet\u00e9 de la vapeur d&rsquo;eau et des cendres \u00e0 des altitudes records. Elle semble avoir cr\u00e9\u00e9 pendant plusieurs jours une v\u00e9ritable <strong data-start=\"7886\" data-end=\"7920\">usine chimique stratosph\u00e9rique<\/strong>, o\u00f9 des particules volcaniques \u00e9clair\u00e9es par le Soleil ont g\u00e9n\u00e9r\u00e9 du chlore capable d&rsquo;attaquer le m\u00e9thane.<\/p>\n<p dir=\"auto\" data-start=\"8029\" data-end=\"8184\">Et quatre ans apr\u00e8s l&rsquo;explosion, nous sommes encore loin d&rsquo;avoir compris toutes les cons\u00e9quences de ce qui s&rsquo;est produit au-dessus du Pacifique ce jour-l\u00e0.<\/p>\n<p dir=\"auto\" data-start=\"8029\" data-end=\"8184\">Adaptation Terra Projects<\/p>\n<h5 dir=\"auto\" data-section-id=\"1qhb0bw\" data-start=\"8186\" data-end=\"8209\"><em>Sources principales : <\/em><strong><em>L&rsquo;\u00e9tude de r\u00e9f\u00e9rence est celle de van Herpen et ses coll\u00e8gues, publi\u00e9e le 7 mai 2026 dans Nature Communications. Les donn\u00e9es sur l&rsquo;injection exceptionnelle d&rsquo;eau dans la stratosph\u00e8re proviennent notamment des observations Aura\/MLS de la NASA.<\/em><\/strong><\/h5>\n<p class=\"bawpvc-ajax-counter\" data-id=\"30482\">(9)<\/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>Lorsqu\u2019il a explos\u00e9 le 15 janvier 2022 au c\u0153ur du Pacifique Sud, le volcan sous-marin Hunga Tonga\u2013Hunga Ha&rsquo;apai a boulevers\u00e9&#8230;<\/p>\n","protected":false},"author":1,"featured_media":30487,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"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_post_was_ever_published":false},"categories":[28,19],"tags":[93,671,8454,2579,5755,48],"class_list":["post-30482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pollution","category-seismes-et-volcans","tag-co2","tag-explosion","tag-hunga-tonga","tag-methane","tag-tonga","tag-volcan","wpcat-28-id","wpcat-19-id"],"jetpack_shortlink":"https:\/\/wp.me\/p631RN-7VE","jetpack-related-posts":[{"id":28169,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-volcan-gigantesque-a-provoque-une-importante-eruption-liberant-du-methane-dans-latmosphere\/","url_meta":{"origin":30482,"position":0},"title":"Un volcan gigantesque a provoqu\u00e9 une importante \u00e9ruption, lib\u00e9rant du m\u00e9thane dans l&rsquo;atmosph\u00e8re","author":"Admin","date":"20 mai 2026","format":false,"excerpt":"Une \u00e9ruption volcanique cataclysmique est l'un des ph\u00e9nom\u00e8nes les plus violents et perturbateurs que notre plan\u00e8te puisse engendrer. D'immenses nuages \u200b\u200bde cendres et de gaz jaillissent dans l'atmosph\u00e8re, tandis que des roches en fusion br\u00fblantes remontent \u00e0 la surface et la recouvrent, d\u00e9truisant tout sur leur passage. Mais les volcans\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":23765,"url":"https:\/\/www.laterredufutur.com\/accueil\/selon-la-nasa-leruption-du-tonga-a-emis-les-plus-hauts-panaches-de-cendres-jamais-captes-par-satellite\/","url_meta":{"origin":30482,"position":1},"title":"Selon la NASA, l&rsquo;\u00e9ruption du Tonga a \u00e9mis les plus hauts panaches de cendres jamais capt\u00e9s par satellite","author":"Admin","date":"19 f\u00e9vrier 2022","format":false,"excerpt":"L'\u00e9ruption du volcan Tonga, le 15 janvier 2022, a permis aux satellites d'observer pour la premi\u00e8re fois un panache de cendres volcaniques se propageant dans la m\u00e9sosph\u00e8re, la troisi\u00e8me couche de l'atmosph\u00e8re terrestre. Selon la NASA, l'\u00e9v\u00e9nement de Tonga a \u00e9t\u00e9 la plus grande \u00e9ruption volcanique depuis que les satellites\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26330,"url":"https:\/\/www.laterredufutur.com\/accueil\/leruption-du-tonga-hunga-a-ete-la-plus-puissante-depuis-celle-du-krakatoa-en-1883\/","url_meta":{"origin":30482,"position":2},"title":"L&rsquo;\u00e9ruption du Tonga-Hunga a \u00e9t\u00e9 la plus puissante depuis celle du Krakatoa en 1883","author":"Admin","date":"22 octobre 2024","format":false,"excerpt":"Le 15 janvier 2022, notre plan\u00e8te a connu une \u00e9ruption majeure avec l'explosion colossale du volcan Tonga\u2013Hunga dans l'oc\u00e9an Pacifique sud. Il s'agit sans doute de la plus forte \u00e9ruption volcanique depuis celle du volcan indon\u00e9sien Krakatoa en 1883 Hunga Tonga-Hunga Ha'apai est un volcan sous-marin de l'Archipel de Tonga\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/explosion-volcan.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/explosion-volcan.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/explosion-volcan.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/explosion-volcan.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24051,"url":"https:\/\/www.laterredufutur.com\/accueil\/leruption-volcanique-geante-des-tonga-etait-aussi-puissante-que-celle-du-krakatoa-en-1883-revelent-des-scientifiques\/","url_meta":{"origin":30482,"position":3},"title":"L&rsquo;\u00e9ruption volcanique g\u00e9ante des Tonga \u00e9tait aussi puissante que celle du Krakatoa en 1883, r\u00e9v\u00e8lent des scientifiques","author":"Admin","date":"17 mai 2022","format":false,"excerpt":"Un volcan sous-marin est entr\u00e9 en \u00e9ruption en janvier 2022 pr\u00e8s de la nation des Tonga, dans le Pacifique, et a envoy\u00e9 d'\u00e9normes ondes de pression dans l'atmosph\u00e8re terrestre, o\u00f9 elles ont balay\u00e9 la plan\u00e8te \u00e0 plusieurs reprises. Selon une nouvelle \u00e9tude, le dernier volcan \u00e0 avoir g\u00e9n\u00e9r\u00e9 de telles\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/Hunga-Tonga-Hunga-Haapai-volcan-1.jpg?fit=990%2C660&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/Hunga-Tonga-Hunga-Haapai-volcan-1.jpg?fit=990%2C660&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/Hunga-Tonga-Hunga-Haapai-volcan-1.jpg?fit=990%2C660&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/Hunga-Tonga-Hunga-Haapai-volcan-1.jpg?fit=990%2C660&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26224,"url":"https:\/\/www.laterredufutur.com\/accueil\/leruption-du-tonga-qui-a-deverse-150-tonnes-de-vapeur-deau-dans-la-stratosphere-a-affecte-latmosphere-pour-de-nombreuses-annees\/","url_meta":{"origin":30482,"position":4},"title":"L&rsquo;\u00e9ruption du Tonga, qui a d\u00e9vers\u00e9 150 tonnes de vapeur d&rsquo;eau dans la stratosph\u00e8re, a affect\u00e9 l&rsquo;atmosph\u00e8re pour de nombreuses ann\u00e9es ?","author":"Admin","date":"12 septembre 2024","format":false,"excerpt":"Une nouvelle \u00e9tude s'appuie sur des recherches ant\u00e9rieures concernant les effets du volcan sous-marin sur le climat. Le 15 janvier 2022, le volcan sous-marin Hunga Tonga-Hunga Ha'apai est entr\u00e9 en \u00e9ruption, d\u00e9clenchant un puissant tsunami qui a d\u00e9truit des maisons et caus\u00e9 la mort de quatre personnes dans l'ensemble des\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26017,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-violente-eruption-du-tonga-a-provoque-une-forte-augmentation-des-temperatures-mondiales\/","url_meta":{"origin":30482,"position":5},"title":"La violente \u00e9ruption du Tonga a provoqu\u00e9 une forte augmentation des temp\u00e9ratures mondiales","author":"Admin","date":"26 juin 2024","format":false,"excerpt":"La violente \u00e9ruption sous-marine du Tonga en janvier 2022 a inject\u00e9 une \u00e9norme quantit\u00e9 de vapeur d'eau de pr\u00e8s de 150 m\u00e9gatonnes dans l'atmosph\u00e8re, ce qui, proportionnellement, a augment\u00e9 la quantit\u00e9 d'eau dans l'atmosph\u00e8re d'environ 14 %. Les climatologues ont d'abord \u00e9t\u00e9 choqu\u00e9s par l'ampleur et la f\u00e9rocit\u00e9 de l'\u00e9ruption\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\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/09\/explosion-du-volcan-tonga-1.webp?fit=1480%2C740&ssl=1","_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/30482","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=30482"}],"version-history":[{"count":5,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/30482\/revisions"}],"predecessor-version":[{"id":30490,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/30482\/revisions\/30490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/30487"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=30482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=30482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=30482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}