{"id":26279,"date":"2025-10-28T09:50:00","date_gmt":"2025-10-28T12:50:00","guid":{"rendered":"https:\/\/sergiolapegue.com\/site\/?p=26279"},"modified":"2025-10-21T17:53:40","modified_gmt":"2025-10-21T20:53:40","slug":"hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio","status":"publish","type":"post","link":"https:\/\/sergiolapegue.com\/site\/2025\/10\/28\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\/","title":{"rendered":"Hace millones de a\u00f1os que los oc\u00e9anos de la Tierra fueron 20 metros m\u00e1s altos que hoy, seg\u00fan un estudio"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un estudio publicado en la revista Science y liderado por la Universidad Estatal de Oregon se\u00f1al\u00f3 que durante el Pleistoceno, un per\u00edodo geol\u00f3gico que comenz\u00f3 hace millones de a\u00f1os, el nivel del mar lleg\u00f3 a ubicarse hasta 20 metros por encima del registro actual. Este hallazgo modific\u00f3 la visi\u00f3n tradicional sobre c\u00f3mo evolucionaron las capas de hielo y el clima en la historia de la Tierra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El an\u00e1lisis abarc\u00f3 los \u00faltimos 4,5 millones de a\u00f1os, incluyendo los ciclos glaciales del Pleistoceno, cuando enormes masas de hielo avanzaban y retroced\u00edan sobre el hemisferio norte. Los datos obtenidos mostraron que las variaciones del nivel del mar fueron mucho m\u00e1s dr\u00e1sticas y comenzaron antes de lo que se pensaba, incluso en los ciclos glaciales m\u00e1s cortos de unos 41.000 a\u00f1os.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para reconstruir estos cambios, los especialistas analizaron n\u00facleos de sedimentos marinos y microf\u00f3siles, como los foramin\u00edferos, que conservan la huella de las condiciones oce\u00e1nicas del pasado. Gracias a sofisticados estudios isot\u00f3picos, lograron estimar el volumen de hielo global y reconstruir los niveles marinos con una precisi\u00f3n in\u00e9dita.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El trabajo sugiri\u00f3 que la din\u00e1mica de las capas de hielo tuvo un papel central en las subidas y bajadas del mar, m\u00e1s all\u00e1 de factores externos como los cambios orbitales. Seg\u00fan Peter Clark, autor principal, \u201ceste hallazgo representa un cambio de paradigma\u201d en la comprensi\u00f3n de la historia clim\u00e1tica y obliga a repensar los modelos de inestabilidad glacial.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"582\" src=\"https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-1024x582.png\" alt=\"\" class=\"wp-image-26280\" srcset=\"https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-1024x582.png 1024w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-300x170.png 300w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-768x436.png 768w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-1536x872.png 1536w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-2048x1163.png 2048w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-739x420.png 739w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-696x395.png 696w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-1068x607.png 1068w, https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano02-1920x1091.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">El equipo advirti\u00f3 que si el calentamiento global contin\u00faa, los procesos de deshielo podr\u00edan replicar patrones del pasado, elevando el nivel del mar varios metros en los pr\u00f3ximos siglos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As\u00ed, regiones costeras densamente habitadas enfrentar\u00edan riesgos cada vez mayores. Comprender el comportamiento hist\u00f3rico del oc\u00e9ano es clave para anticipar el futuro clim\u00e1tico y tomar medidas de adaptaci\u00f3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un estudio publicado en la revista Science y liderado por la Universidad Estatal de Oregon se\u00f1al\u00f3 que durante el Pleistoceno, un per\u00edodo geol\u00f3gico que comenz\u00f3 hace millones de a\u00f1os, el nivel del mar lleg\u00f3 a ubicarse hasta 20 metros por encima del registro actual. Este hallazgo modific\u00f3 la visi\u00f3n tradicional sobre c\u00f3mo evolucionaron las capas [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":26281,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[2434,362,4562,4532,4561,516],"class_list":["post-26279","post","type-post","status-publish","format-standard","has-post-thumbnail","category-actualidad","tag-analisis","tag-estudio","tag-glaciar","tag-oceano","tag-revista","tag-tierra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hace millones de a\u00f1os que los oc\u00e9anos de la Tierra fueron 20 metros m\u00e1s altos que hoy, seg\u00fan un estudio - Sergio Lapegue<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sergiolapegue.com\/site\/2025\/10\/28\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hace millones de a\u00f1os que los oc\u00e9anos de la Tierra fueron 20 metros m\u00e1s altos que hoy, seg\u00fan un estudio - Sergio Lapegue\" \/>\n<meta property=\"og:description\" content=\"Un estudio publicado en la revista Science y liderado por la Universidad Estatal de Oregon se\u00f1al\u00f3 que durante el Pleistoceno, un per\u00edodo geol\u00f3gico que comenz\u00f3 hace millones de a\u00f1os, el nivel del mar lleg\u00f3 a ubicarse hasta 20 metros por encima del registro actual. Este hallazgo modific\u00f3 la visi\u00f3n tradicional sobre c\u00f3mo evolucionaron las capas [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sergiolapegue.com\/site\/2025\/10\/28\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\/\" \/>\n<meta property=\"og:site_name\" content=\"Sergio Lapegue\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/sergiolapegue\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-28T12:50:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sergiolapegue.com\/site\/wp-content\/uploads\/2025\/10\/oceano01.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Leonardo Monta\u00f1a\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/soytoto81\" \/>\n<meta name=\"twitter:site\" content=\"@sergiolapegue\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Leonardo Monta\u00f1a\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/\"},\"author\":{\"name\":\"Leonardo Monta\u00f1a\",\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/#\\\/schema\\\/person\\\/00adf937d010c7f79a180dc4916a40e0\"},\"headline\":\"Hace millones de a\u00f1os que los oc\u00e9anos de la Tierra fueron 20 metros m\u00e1s altos que hoy, seg\u00fan un estudio\",\"datePublished\":\"2025-10-28T12:50:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/\"},\"wordCount\":343,\"publisher\":{\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/#\\\/schema\\\/person\\\/083aeceeb0734cd166779ea6c0551a37\"},\"image\":{\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/oceano01.jpg\",\"keywords\":[\"analisis\",\"estudio\",\"glaciar\",\"oceano\",\"revista\",\"tierra\"],\"articleSection\":[\"Actualidad\"],\"inLanguage\":\"es-AR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/\",\"url\":\"https:\\\/\\\/sergiolapegue.com\\\/site\\\/2025\\\/10\\\/28\\\/hace-millones-de-anos-que-los-oceanos-de-la-tierra-fueron-20-metros-mas-altos-que-hoy-segun-un-estudio\\\/\",\"name\":\"Hace millones de a\u00f1os que los oc\u00e9anos de la Tierra fueron 20 metros m\u00e1s altos que hoy, seg\u00fan un estudio - 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