{"id":14889,"date":"2017-03-19T00:00:37","date_gmt":"2017-03-18T23:00:37","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14889"},"modified":"2017-03-12T17:07:15","modified_gmt":"2017-03-12T16:07:15","slug":"a-quoi-ressemblerait-la-terre-sans-les-oceans","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/a-quoi-ressemblerait-la-terre-sans-les-oceans\/","title":{"rendered":"\u00c0 quoi ressemblerait la Terre sans les oc\u00e9ans ?"},"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>Les oc\u00e9ans de notre plan\u00e8te contiennent plus d&rsquo;un milliard de kilom\u00e8tres cubes d&rsquo;eau, et cela cache des formations g\u00e9ologiques remarquables. La vid\u00e9o suivante vous permet d&rsquo;observer l&rsquo;apparence de la Terre lorsqu&rsquo;on lui retire ses oc\u00e9ans. 71% de la surface de la Terre est recouverte par les oc\u00e9ans, mais savez-vous ce qu&rsquo;ils cachent ? Une vid\u00e9o vous propose de le d\u00e9couvrir au travers d&rsquo;une animation de notre plan\u00e8te d\u00e9barrass\u00e9e de ses oc\u00e9ans.<\/p>\n<p>Ils contiennent d&rsquo;ailleurs 97% de l&rsquo;eau de la Terre, c&rsquo;est-\u00e0-dire plus d&rsquo;un milliard de kilom\u00e8tres cubes. De quoi couvrir des reliefs prodigieux.<\/p>\n<p>Tout d&rsquo;abord, la diff\u00e9rence d&rsquo;altitude entre le continent et le fond des oc\u00e9ans est effarante : la plaine abyssale se trouve pr\u00e8s de 5 \u00e0 6 kilom\u00e8tres plus bas que le plateau continental. Au plus bas, on trouve la fosse des Mariannes qui s&rsquo;enfonce plus de 10 kilom\u00e8tres de profondeur. De son c\u00f4t\u00e9, la dorsale oc\u00e9anique forme une v\u00e9ritable cha\u00eene de montagnes de pr\u00e8s de 2.000 m\u00e8tres d&rsquo;altitude, traversant les profondeurs sur plus de 60.000 km de long.<\/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><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\/7TxjRX5-2vA?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;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<p>extrait et source : <a href=\"http:\/\/www.maxisciences.com\/ocean\/a-quoi-ressemblerait-la-terre-sans-les-oceans_art35153.html\" target=\"_blank\">http:\/\/www.maxisciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14889\">(2130)<\/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 oc\u00e9ans de notre plan\u00e8te contiennent plus d&rsquo;un milliard de kilom\u00e8tres cubes d&rsquo;eau, et cela cache des formations g\u00e9ologiques remarquables&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":14890,"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":"\u00c0 quoi ressemblerait la Terre sans les oc\u00e9ans ? @laterredufutur","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}},"categories":[19],"tags":[114,241,6363,75,684],"class_list":["post-14889","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-geologie","tag-ocean","tag-sous-les-oceans","tag-terre","tag-video","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/03\/terre-sans-oceans.jpg?fit=750%2C409&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3S9","jetpack-related-posts":[{"id":7608,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-quun-immense-ocean-recouvrait-mars-il-y-a-plusieurs-milliards-dannees\/","url_meta":{"origin":14889,"position":0},"title":"La NASA d\u00e9couvre qu\u2019un immense oc\u00e9an recouvrait Mars il y a plusieurs milliards d\u2019ann\u00e9es","author":"Admin","date":"18 juillet 2015","format":false,"excerpt":"Des recherches de la NASA viennent de mettre en \u00e9vidence la possible pr\u00e9sence d\u2019un oc\u00e9an primitif sur Mars. D\u2019apr\u00e8s les scientifiques cet oc\u00e9an aurait abrit\u00e9 plus d\u2019eau que celui pr\u00e9sent en Arctique, sur Terre. Il se peut donc que Mars ait eu un jour bien plus d\u2019eau \u00e0 sa surface\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water.jpg?fit=1000%2C1000&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water.jpg?fit=1000%2C1000&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/mars-water.jpg?fit=1000%2C1000&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":7457,"url":"https:\/\/www.laterredufutur.com\/accueil\/a-quoi-ressemblerait-notre-planete-sans-ocean\/","url_meta":{"origin":14889,"position":1},"title":"A quoi ressemblerait notre plan\u00e8te sans oc\u00e9an ?","author":"Admin","date":"6 juillet 2015","format":false,"excerpt":"Les oc\u00e9ans couvrent 71% de la surface de la Terre et contiennent 97% de l'eau sur\u00a0Terre. S'ils\u00a0\u00e9taient ass\u00e9ch\u00e9s\u00a0soudainement, la vie comme nous la connaissions serait radicalement chang\u00e9e. Cette vid\u00e9o d'animation de Hubert Heller montre un nouveau paysage de la Terre comme si vous aviez\u00a0enlev\u00e9 le bouchon de vidange de tous\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\/2015\/06\/terre-sans-ocean.png?fit=640%2C425&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/terre-sans-ocean.png?fit=640%2C425&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/terre-sans-ocean.png?fit=640%2C425&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":22532,"url":"https:\/\/www.laterredufutur.com\/accueil\/il-y-a-3-milliards-dannees-notre-monde-ressemblait-au-film-waterworld\/","url_meta":{"origin":14889,"position":2},"title":"Il y a 3 milliards d&rsquo;ann\u00e9es, notre monde ressemblait au film Waterworld","author":"Admin","date":"13 mai 2021","format":false,"excerpt":"Dans le film Waterworld, sorti en 2015, la Terre est totalement recouverte d'eau suite au r\u00e9chauffement climatique ayant caus\u00e9 la fonte des glaces. Ce monde marin n'est peut-\u00eatre pas si imaginaire que \u00e7a : selon une nouvelle \u00e9tude parue dans AGU Advances, la Terre \u00e9tait probablement en grande partie noy\u00e9e\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/planete-terre-ocean.jpg?fit=1200%2C792&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/planete-terre-ocean.jpg?fit=1200%2C792&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/planete-terre-ocean.jpg?fit=1200%2C792&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/planete-terre-ocean.jpg?fit=1200%2C792&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/planete-terre-ocean.jpg?fit=1200%2C792&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":14011,"url":"https:\/\/www.laterredufutur.com\/accueil\/pluton-recelerait-un-ocean-qui-contiendrait-plus-deau-que-tous-les-oceans-de-la-terre\/","url_meta":{"origin":14889,"position":3},"title":"Pluton rec\u00e8lerait un oc\u00e9an qui contiendrait plus d&rsquo;eau que tous les oc\u00e9ans de la Terre","author":"Admin","date":"2 d\u00e9cembre 2016","format":false,"excerpt":"Pluton, ce bout de roche tout petit et si distant de notre Terre, qui n'a m\u00eame plus droit au titre de plan\u00e8te, vient pourtant de r\u00e9v\u00e9ler un secret int\u00e9ressant. L'astre rec\u00e8lerait un oc\u00e9an qui contiendrait au moins autant d'eau que tous les oc\u00e9ans et mers de notre plan\u00e8te. C'est la\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26801,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-donnees-sismiques-suggerent-quun-ocean-se-trouve-sous-la-surface-de-mars\/","url_meta":{"origin":14889,"position":4},"title":"Les donn\u00e9es sismiques sugg\u00e8rent qu&rsquo;un oc\u00e9an se trouve sous la surface de Mars","author":"Admin","date":"2 avril 2025","format":false,"excerpt":"On estime que le volume d'eau est suffisant pour recouvrir Mars d'un oc\u00e9an d'environ un kilom\u00e8tre de profondeur. Des scientifiques ont d\u00e9couvert un important r\u00e9servoir d'eau liquide sous la surface de Mars, marquant ainsi une avanc\u00e9e majeure dans notre compr\u00e9hension du cycle de l'eau et du potentiel d'habitabilit\u00e9 de la\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/Mars.webp?fit=837%2C558&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/Mars.webp?fit=837%2C558&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/Mars.webp?fit=837%2C558&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/12\/Mars.webp?fit=837%2C558&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24586,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-colossal-tueur-de-planete-a-provoque-un-mega-tsunami-sur-mars\/","url_meta":{"origin":14889,"position":5},"title":"Un ast\u00e9ro\u00efde colossal \u00ab\u00a0tueur de plan\u00e8te\u00a0\u00bb a provoqu\u00e9 un m\u00e9ga-tsunami sur Mars","author":"Admin","date":"8 d\u00e9cembre 2022","format":false,"excerpt":"Les scientifiques plan\u00e9taires ont localis\u00e9 l'emplacement probable de l'impact d'un ast\u00e9ro\u00efde massif qui a d\u00e9clench\u00e9 un \u00e9norme tsunami sur la plan\u00e8te rouge il y a environ 3,4 milliards d'ann\u00e9es. Un crat\u00e8re d'impact r\u00e9cemment d\u00e9couvert sur Mars a probablement \u00e9t\u00e9 laiss\u00e9 par un \u00e9norme ast\u00e9ro\u00efde qui a percut\u00e9 la plan\u00e8te rouge\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/eau-sur-mars-region-habitable.jpg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14889","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=14889"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14889\/revisions"}],"predecessor-version":[{"id":14891,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14889\/revisions\/14891"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/14890"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=14889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=14889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=14889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}