{"id":22659,"date":"2016-11-16T09:00:59","date_gmt":"2016-11-16T12:00:59","guid":{"rendered":"http:\/\/patagoniambiental.com.ar\/?p=22659"},"modified":"2016-11-16T09:00:59","modified_gmt":"2016-11-16T12:00:59","slug":"una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra","status":"publish","type":"post","link":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/","title":{"rendered":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra"},"content":{"rendered":"<div>\n<p>Un grupo de investigadores de diez pa\u00edses europeos, coordinados por el Instituto Alfred Wegener en Bremerhaven (norte de Alemania), han emprendido una <strong>expedici\u00f3n a la Ant\u00e1rtida <\/strong>en busca de las capas de hielo m\u00e1s antiguas de la Tierra. La aventura cient\u00edfica podr\u00eda durar tres a\u00f1os. Una vez descubierto el lugar id\u00f3neo de perforaci\u00f3n, el objetivo es \u00abviajar\u00bb m\u00e1s atr\u00e1s en la historia de la Tierra y conocer con precisi\u00f3n c\u00f3mo los gases lanzados a la atm\u00f3sfera han afectado al planeta.<\/p>\n<p>Los investigadores, seg\u00fan un comunicado del instituto, tienen la esperanza de encontrar capas de hielo de 1,5 millones de a\u00f1os de antig\u00fcedad. Hasta ahora, las capas de hielo m\u00e1s antiguas que se conocen tienen alrededor de 800.000 a\u00f1os. Dichos n\u00facleos contienen el aire de tiempos pasados. An\u00e1lisis de laboratorio pueden revelar la composici\u00f3n m\u00e1s all\u00e1 de la atm\u00f3sfera y dar claves sobre ciertos <strong>cambios en el clima<\/strong>. Por ejemplo, \u00abno sabemos por qu\u00e9 se produjo un cambio en la periodicidad glacial-interglacial hace entre 900.000 y 1.200.000 a\u00f1os\u00bb, explica Olaf Eisen, glaci\u00f3logo del Instituto Alfred Wegener y coordinador del proyecto.<\/p>\n<p>Antes de esta llamada transici\u00f3n del Pleistoceno medio, los periodos glaciares e interglaciares se turnaban cada 40.000 a\u00f1os. Desde entonces, este per\u00edodo dura unos 100.000 a\u00f1os. Este conocimiento se origina, por ejemplo, de n\u00facleos de sedimentos, pero estos carecen de los gases atmosf\u00e9ricos. \u00abNo podemos investigar el papel de los gases de efecto invernadero, debido a que no tenemos muestras adecuadas\u00bb, dice el profesor Frank Wilhelms, tambi\u00e9n glaci\u00f3logo del instituto alem\u00e1n.<\/p>\n<p>En los primeros meses, la expedici\u00f3n tratar\u00e1 de determinar el lugar donde hay m\u00e1s posibilidades de encontrar capas de hielo con suficiente antig\u00fcedad. Esto, seg\u00fan los responsables del proyecto, permitir\u00e1 hacer predicciones m\u00e1s precisas sobre el efecto que pueden tener los gases lanzados a la atm\u00f3sfera en el futuro.<\/p>\n<p>La investigaci\u00f3n puede generar nuevos conocimientos sobre el <strong>cambio clim\u00e1tico<\/strong> ya que dentro del hielo est\u00e1 encerrado el aire de tiempos pasados y con su estudio los cient\u00edficos pueden determinar c\u00f3mo han afectado las emisiones de gases a nuestra atm\u00f3sfera.<\/p>\n<\/div>\n<aside class=\"temas-fin-cuerpo clear\">\n<p class=\"gris-ultra-oscuro\">Fuente: http:\/\/www.abc.es\/ciencia\/abci-expedicion-busca-antartida-hielo-mas-antiguo-tierra-201611151352_noticia.html<\/p>\n<\/aside>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grupo de investigadores de diez pa\u00edses europeos, coordinados por el Instituto Alfred Wegener en Bremerhaven (norte de Alemania), han [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[23,1],"tags":[],"class_list":["post-22659","post","type-post","status-publish","format-standard","hentry","category-internacionales","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra<\/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:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra\" \/>\n<meta property=\"og:description\" content=\"Un grupo de investigadores de diez pa\u00edses europeos, coordinados por el Instituto Alfred Wegener en Bremerhaven (norte de Alemania), han [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/\" \/>\n<meta property=\"og:site_name\" content=\"Patagonia Ambiental\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/patagonia.ambiental\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/share\/1C1V8Gv9BX\/?mibextid=qi2Omg\" \/>\n<meta property=\"article:published_time\" content=\"2016-11-16T12:00:59+00:00\" \/>\n<meta name=\"author\" content=\"Patagonia Ambiental\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PatAmb\" \/>\n<meta name=\"twitter:site\" content=\"@PatAmb\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/\"},\"author\":{\"name\":\"Patagonia Ambiental\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#\\\/schema\\\/person\\\/db12bff64bbcbf6a253710bf0ea37b5d\"},\"headline\":\"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra\",\"datePublished\":\"2016-11-16T12:00:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/\"},\"wordCount\":405,\"publisher\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#organization\"},\"articleSection\":[\"Internacionales\",\"Noticias\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/\",\"url\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/\",\"name\":\"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#website\"},\"datePublished\":\"2016-11-16T12:00:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inicio\",\"item\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#website\",\"url\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/\",\"name\":\"Patagonia Ambiental\",\"description\":\"Monitoreo y an\u00e1lisis de la situaci\u00f3n geopol\u00edtica en el mundo y su implicancia en la Patagonia\",\"publisher\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#organization\",\"name\":\"Patagonia Ambiental\",\"url\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/LOGO-PATAGONIA-AMBIENTAL.png\",\"contentUrl\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/LOGO-PATAGONIA-AMBIENTAL.png\",\"width\":433,\"height\":250,\"caption\":\"Patagonia Ambiental\"},\"image\":{\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/patagonia.ambiental\",\"https:\\\/\\\/x.com\\\/PatAmb\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/patagoniambiental.com.ar\\\/info\\\/#\\\/schema\\\/person\\\/db12bff64bbcbf6a253710bf0ea37b5d\",\"name\":\"Patagonia Ambiental\",\"description\":\"Andr\u00e9s Nievas T\u00e9cnico en manejo ambiental, consultor Ambiental y escritor para medios locales e internacionales sobre temas de geopolitica y medio ambiente.\",\"sameAs\":[\"http:\\\/\\\/www.patagoniambiental.com.ar\",\"https:\\\/\\\/www.facebook.com\\\/share\\\/1C1V8Gv9BX\\\/?mibextid=qi2Omg\",\"@patagoniambiental\",\"https:\\\/\\\/youtube.com\\\/@patagoniaambiental2023?si=BLt58t0wuXquxlYZ\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/","og_locale":"es_ES","og_type":"article","og_title":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra","og_description":"Un grupo de investigadores de diez pa\u00edses europeos, coordinados por el Instituto Alfred Wegener en Bremerhaven (norte de Alemania), han [&hellip;]","og_url":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/","og_site_name":"Patagonia Ambiental","article_publisher":"https:\/\/www.facebook.com\/patagonia.ambiental","article_author":"https:\/\/www.facebook.com\/share\/1C1V8Gv9BX\/?mibextid=qi2Omg","article_published_time":"2016-11-16T12:00:59+00:00","author":"Patagonia Ambiental","twitter_card":"summary_large_image","twitter_creator":"@PatAmb","twitter_site":"@PatAmb","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/#article","isPartOf":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/"},"author":{"name":"Patagonia Ambiental","@id":"https:\/\/patagoniambiental.com.ar\/info\/#\/schema\/person\/db12bff64bbcbf6a253710bf0ea37b5d"},"headline":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra","datePublished":"2016-11-16T12:00:59+00:00","mainEntityOfPage":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/"},"wordCount":405,"publisher":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/#organization"},"articleSection":["Internacionales","Noticias"],"inLanguage":"es"},{"@type":"WebPage","@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/","url":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/","name":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra","isPartOf":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/#website"},"datePublished":"2016-11-16T12:00:59+00:00","breadcrumb":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/patagoniambiental.com.ar\/info\/una-expedicion-busca-en-la-antartida-el-hielo-mas-antiguo-de-la-tierra\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Inicio","item":"https:\/\/patagoniambiental.com.ar\/info\/"},{"@type":"ListItem","position":2,"name":"Una expedici\u00f3n busca en la Ant\u00e1rtida el hielo m\u00e1s antiguo de la Tierra"}]},{"@type":"WebSite","@id":"https:\/\/patagoniambiental.com.ar\/info\/#website","url":"https:\/\/patagoniambiental.com.ar\/info\/","name":"Patagonia Ambiental","description":"Monitoreo y an\u00e1lisis de la situaci\u00f3n geopol\u00edtica en el mundo y su implicancia en la Patagonia","publisher":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/patagoniambiental.com.ar\/info\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/patagoniambiental.com.ar\/info\/#organization","name":"Patagonia Ambiental","url":"https:\/\/patagoniambiental.com.ar\/info\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/patagoniambiental.com.ar\/info\/#\/schema\/logo\/image\/","url":"https:\/\/patagoniambiental.com.ar\/info\/wp-content\/uploads\/2025\/05\/LOGO-PATAGONIA-AMBIENTAL.png","contentUrl":"https:\/\/patagoniambiental.com.ar\/info\/wp-content\/uploads\/2025\/05\/LOGO-PATAGONIA-AMBIENTAL.png","width":433,"height":250,"caption":"Patagonia Ambiental"},"image":{"@id":"https:\/\/patagoniambiental.com.ar\/info\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/patagonia.ambiental","https:\/\/x.com\/PatAmb"]},{"@type":"Person","@id":"https:\/\/patagoniambiental.com.ar\/info\/#\/schema\/person\/db12bff64bbcbf6a253710bf0ea37b5d","name":"Patagonia Ambiental","description":"Andr\u00e9s Nievas T\u00e9cnico en manejo ambiental, consultor Ambiental y escritor para medios locales e internacionales sobre temas de geopolitica y medio ambiente.","sameAs":["http:\/\/www.patagoniambiental.com.ar","https:\/\/www.facebook.com\/share\/1C1V8Gv9BX\/?mibextid=qi2Omg","@patagoniambiental","https:\/\/youtube.com\/@patagoniaambiental2023?si=BLt58t0wuXquxlYZ"]}]}},"_links":{"self":[{"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/posts\/22659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/comments?post=22659"}],"version-history":[{"count":0,"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/posts\/22659\/revisions"}],"wp:attachment":[{"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/media?parent=22659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/categories?post=22659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/patagoniambiental.com.ar\/info\/wp-json\/wp\/v2\/tags?post=22659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}