{"id":60661,"date":"2019-05-17T19:00:19","date_gmt":"2019-05-17T22:00:19","guid":{"rendered":"http:\/\/patagoniambiental.com.ar\/info\/?p=60661"},"modified":"2019-05-15T10:19:09","modified_gmt":"2019-05-15T13:19:09","slug":"cientificos-creen-haber-descubierto-el-misterio-del-agujero-gigante-que-hay-en-medio-de-la-antartida","status":"publish","type":"post","link":"https:\/\/patagoniambiental.com.ar\/info\/cientificos-creen-haber-descubierto-el-misterio-del-agujero-gigante-que-hay-en-medio-de-la-antartida\/","title":{"rendered":"Cient\u00edficos creen haber descubierto el misterio del agujero gigante que hay en medio de la Ant\u00e1rtida"},"content":{"rendered":"<div class=\"post__content-wrapper\">\n<header>\n<header class=\"\">\n<p class=\"headline hover-highlight entry-title js_entry-title\">Hace un a\u00f1o y medio, en medio del invierno ant\u00e1rtico, las im\u00e1genes por sat\u00e9lite del continente helado revelaron algo sorprendente: un enorme agujero en medio del hielo marino de la Ant\u00e1rtida que cubr\u00eda varios miles de kil\u00f3metros cuadrados. Los cient\u00edficos estaban fascinados y desconcertados por el fen\u00f3meno, que no se hab\u00eda visto a tal escala desde la d\u00e9cada de 1970. Ahora, un equipo de investigadores cree saber su causa.<\/p>\n<p><!--more--><\/p>\n<\/header>\n<div class=\"meta--pe \">\n<div class=\"meta__left\">\n<div class=\"meta__container \">\n<div class=\"meta__avatar js_meta-byline\"><img decoding=\"async\" class=\"avatar__img\" src=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--N7DhuXmp--\/c_fill,f_auto,fl_progressive,g_center,h_80,q_80,w_80\/zoqdrdmexcxjns70mcrl.jpg\" \/><\/div>\n<div class=\"meta__byline js_meta-byline author \">Maddie Stone<\/div>\n<p><time class=\"meta__time updated\" datetime=\"2019-04-29T06:38:00-04:00\"><\/time><\/div>\n<\/div>\n<\/div>\n<\/header>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"post__content-wrapper\">\n<div class=\"post-content entry-content js_entry-content \">\n<div class=\"js_share_tools_side share-toolbar-sticky\">\n<div class=\"share-toolbar__Toolbar-sc-17x7c2u-3 izLKXu\"><\/div>\n<\/div>\n<figure class=\"js_marquee-assetfigure align--bleed\">\n<div class=\"img-wrapper lazy-image \">\n<div class=\"img-wrapper lazy-image \">\n<div class=\"img-permalink-sub-wrapper\"><span class=\"js_lightbox-wrapper lightbox-wrapper js_lightbox-initialized\"><picture><source class=\"ls-small-media-source\" srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--G3SWqO_0--\/c_fit,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--9a6b3c1r--\/c_fit,dpr_2.0,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--zXpFpfFA--\/c_fit,dpr_3.0,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" media=\"(max-width: 599px)\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--G3SWqO_0--\/c_fit,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--9a6b3c1r--\/c_fit,dpr_2.0,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--zXpFpfFA--\/c_fit,dpr_3.0,f_auto,fl_progressive,q_80,w_636\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" \/><source srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--vkfs4gVx--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--B24rSGs6--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" media=\"(max-width: 1487px)\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--vkfs4gVx--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--B24rSGs6--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" \/><source srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--vkfs4gVx--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--B24rSGs6--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--vkfs4gVx--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--B24rSGs6--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" \/><img decoding=\"async\" class=\"ls-lazy-image-tag lazyautosizes lazyloaded cursor-pointer\" src=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg\" sizes=\"800px\" srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" alt=\"Imagen: NASA Scientific Visualization Studio\" data-sizes=\"auto\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--QiC1Aobu--\/c_scale,f_auto,fl_progressive,q_80,w_800\/vgchkjhkmkwjcjlfv8mg.jpg 3x\" data-width=\"800\" data-chomp-id=\"vgchkjhkmkwjcjlfv8mg\" data-format=\"jpg\" \/><\/picture><\/span><\/div>\n<\/div>\n<\/div><figcaption class=\"caption\">Imagen: NASA Scientific Visualization Studio<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>Este agujero sobre el hielo, conocido como polinia, probablemente fuese causado por un poderoso cicl\u00f3n que surgi\u00f3 en el mar Weddell, en la Ant\u00e1rtida, antes de viajar hacia el este al mar de Lazarev a mediados de septiembre de 2017, seg\u00fan un\u00a0<a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/10.1029\/2019JD030618\" target=\"_blank\" rel=\"noopener\">estudio\u00a0<\/a>publicado en\u00a0<em>Wednesday in the Journal of Geophysical Research: Atmospheres<\/em>. En una era marcada por el cambio clim\u00e1tico, esta es una informaci\u00f3n valiosa, ya que el aumento de las temperaturas podr\u00eda alterar la\u00a0<a href=\"https:\/\/earther.gizmodo.com\/the-arctics-future-less-ice-more-storms-1825576430\" target=\"_blank\" rel=\"noopener\">frecuencia<\/a>\u00a0o la intensidad de los ciclones polares, afectando a la aparici\u00f3n de estas polinias y, a su vez, a la corriente de los oc\u00e9anos de todo el globo.<\/p>\n<div class=\"ad-container js_ad-video row ad-wide ad-top js_ad-video-desktop\">\n<div class=\"ad-instream ad-instream--elastic instream-permalink ad-instream__initial\">\n<div class=\"elastic__wrapper\">\n<div class=\"ad-unit js_ad-unit ad-video js_ad-video\">\n<div id=\"ad-container-33987575\" class=\"jwplayer jw-reset jw-state-paused jw-stretch-uniform jw-flag-aspect-mode jw-breakpoint-3 jw-flag-user-inactive\" tabindex=\"0\" aria-label=\"Video Player\">\n<div class=\"jw-controls jw-reset\">\n<div class=\"jw-nextup-container jw-reset\">\n<div class=\"jw-nextup jw-background-color jw-reset\">\n<div class=\"jw-nextup-tooltip jw-reset\">\n<div class=\"jw-nextup-body jw-reset\">\n<div class=\"jw-nextup-title jw-reset\"><\/div>\n<div class=\"jw-nextup-duration jw-reset\"><\/div>\n<\/div>\n<\/div>\n<p><button class=\"jw-icon jw-nextup-close jw-reset\" type=\"button\" aria-label=\"Next Up Close\"><\/button>Cuando se descubri\u00f3 por primera vez la polinia a mediados de septiembre, ten\u00eda una extensi\u00f3n de aproximadamente 6000 kil\u00f3metros cuadrados. A finales de octubre, hab\u00eda aumentado hasta los 50.000 kil\u00f3metros cuadrados (aproximadamente el tama\u00f1o de Irlanda) antes de que uniese con el oc\u00e9ano tras la retirada del hielo ant\u00e1rtico a comienzos de verano.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>El agujero era, en una palabra, enorme, y provoc\u00f3 una sinf\u00edn de\u00a0<a href=\"https:\/\/earther.gizmodo.com\/theres-an-enormous-mysterious-hole-in-antarcticas-sea-1819043047\" target=\"_blank\" rel=\"noopener\">especulaciones<\/a>sobre qu\u00e9 podr\u00eda haberlo causado. La localizaci\u00f3n de la polinia, justo encima de una enorme monta\u00f1a submarina conocida como la Meseta de Maud, la hizo especialmente interesante, ya que se hab\u00edan visto polinias similares en esa misma misma ubicaci\u00f3n en los a\u00f1os setenta.<\/p>\n<p>Es probable que esto no sea una casualidad, como el autor principal del estudio, David Holland, del Instituto de Investigaci\u00f3n de Abu Dhabi de la Universidad de Nueva York, le explic\u00f3 a nuestros compa\u00f1eros de Earther. La presencia de esta meseta submarina \u2014que defini\u00f3 como \u201cequivalente al Himalaya\u201d\u2014 empuja el agua c\u00e1lida, densa y salada que normalmente se queda cerca del fondo marino hacia la superficie del oc\u00e9ano. Si una gran tormenta pasa por encima y limpia el hielo marino que lo recubre, puede hacer que este agua caliente se mezcle con el agua m\u00e1s fr\u00eda que flota sobre el mar de Lazarev.<\/p>\n<p>\u201cY una vez que haces eso, has alterado el flujo: el agua caliente se queda en la superficie, y tardar\u00e1 meses en enfriarse lo suficiente como para congelarse de nuevo, explic\u00f3 Holland.<\/p>\n<p>Utilizando una combinaci\u00f3n de observaciones satelitales y modelos clim\u00e1ticos, el equipo de investigaci\u00f3n dirigido por Diana Francis de la NYUAD ha determinado que la apertura de la polinia coincidi\u00f3 con un potente cicl\u00f3n que se form\u00f3 sobre la Meseta de Maud. Los investigadores creen que los vientos del cicl\u00f3n empujaron el hielo lejos de su centro, creando un agujero que continu\u00f3 expandi\u00e9ndose en los d\u00edas siguientes.<\/p>\n<figure class=\"js_marquee-assetfigure align--bleed\">\n<div class=\"img-wrapper lazy-image \">\n<div class=\"img-permalink-sub-wrapper img-permalink-sub-wrapper--nobackground\"><span class=\"js_lightbox-wrapper lightbox-wrapper js_lightbox-initialized\"><picture><source class=\"ls-small-media-source\" srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--Lh1b5Gsd--\/c_fit,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--HjFSAbeM--\/c_fit,dpr_2.0,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--hSot4BuR--\/c_fit,dpr_3.0,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png 3x\" media=\"(max-width: 599px)\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--Lh1b5Gsd--\/c_fit,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--HjFSAbeM--\/c_fit,dpr_2.0,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--hSot4BuR--\/c_fit,dpr_3.0,f_auto,fl_progressive,q_80,w_636\/kpgqyj5cxnmwcuyjtovp.png 3x\" \/><source srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--pcIZ9-RK--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--8nmj8y0n--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" media=\"(max-width: 1487px)\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--pcIZ9-RK--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--8nmj8y0n--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" \/><source srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--pcIZ9-RK--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--8nmj8y0n--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" sizes=\"800px\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--pcIZ9-RK--\/c_scale,dpr_2.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--8nmj8y0n--\/c_scale,dpr_3.0,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" \/><img decoding=\"async\" class=\"ls-lazy-image-tag cursor-pointer lazyautosizes lazyloaded\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" sizes=\"800px\" srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" alt=\"Illustration for article titled Cient\u00edficos creen haber descubierto el misterio del agujero gigante que hay en medio de la Ant\u00e1rtida\" data-sizes=\"auto\" data-srcset=\"https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 2x, https:\/\/i.kinja-img.com\/gawker-media\/image\/upload\/s--V3oOTUGK--\/c_scale,f_auto,fl_progressive,q_80,w_800\/kpgqyj5cxnmwcuyjtovp.png 3x\" data-width=\"800\" data-chomp-id=\"kpgqyj5cxnmwcuyjtovp\" data-format=\"png\" \/><\/picture><\/span><\/div>\n<\/div>\n<\/figure>\n<p>Torge Martin, meteor\u00f3logo en el Centro Helmholtz para la Investigaci\u00f3n del Oc\u00e9ano en Kiel, Alemania, le dijo a Earther que los autores del estudio \u201chan hecho una valiosa contribuci\u00f3n al explicar qu\u00e9 ha producido esta polinia, y tienen raz\u00f3n al argumentar que el componente atmosf\u00e9rico no se ha estudiado mucho en el pasado\u201d.<\/p>\n<p>\u201cEsto se debe a que la condici\u00f3n previa del oc\u00e9ano es esencial\u201d, escribi\u00f3 Martin. \u201cLas condiciones atmosf\u00e9ricas de la regi\u00f3n pueden ser un detonante durante el invierno\u201d.<\/p>\n<p>La idea de que los ciclones pueden desencadenar estas polinias demuestra que existe la posibilidad de que aparezcan con m\u00e1s frecuencia en el futuro, y se espera que con el aumento de las temperaturas se intensifique la actividad de los ciclones polares. El cambio clim\u00e1tico tambi\u00e9n est\u00e1 calentando los oc\u00e9anos, lo que podr\u00eda dificultar que estas polinias se vuelvan a congelar una vez que se hayan abierto. Y merece la pena investigar esto, dijo Holland, porque la distribuci\u00f3n del calor en los oc\u00e9anos debido a esa polinia, desempe\u00f1a un papel importante en la circulaci\u00f3n del agua en todo el planeta.<\/p>\n<p>En otras palabras, los cambios en esta polinia podr\u00edan extenderse hacia el resto de oc\u00e9anos de la Tierra. Como dijo Heuz\u00e9, \u201ctodo est\u00e1 conectado\u201d.<\/p>\n<p><em>Para estar al tanto de m\u00e1s noticias, s\u00edguenos en Twitter @<a href=\"https:\/\/twitter.com\/GizmodoES\" target=\"_blank\" rel=\"noopener\">GizmodoES<\/a><\/em><\/p>\n<\/div>\n<div class=\"post__misc\">\n<div class=\"share-toolbar__container\">\n<h6>SHARE THIS STORY<\/h6>\n<p>Fuente: https:\/\/es.gizmodo.com\/cientificos-creen-haber-descubierto-el-misterio-del-agu-1834375845<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Hace un a\u00f1o y medio, en medio del invierno ant\u00e1rtico, las im\u00e1genes por sat\u00e9lite del continente helado revelaron algo sorprendente: [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":60662,"comment_status":"open","ping_status":"open","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 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