{"id":302113,"date":"2023-04-01T10:43:56","date_gmt":"2023-04-01T13:43:56","guid":{"rendered":"https:\/\/www.notibras.com\/site\/?p=302113"},"modified":"2023-04-01T10:43:56","modified_gmt":"2023-04-01T13:43:56","slug":"ciencia-alerta-sobre-colapso-de-correntes-oceanicas","status":"publish","type":"post","link":"https:\/\/www.notibras.com\/site\/ciencia-alerta-sobre-colapso-de-correntes-oceanicas\/","title":{"rendered":"Ci\u00eancia alerta sobre &#8216;colapso&#8217; de correntes oce\u00e2nicas"},"content":{"rendered":"<p>O sistema de circula\u00e7\u00e3o de \u00e1gua do oceano profundo perto da Ant\u00e1rtica, que influencia o clima e os ecossistemas marinhos em um grau consider\u00e1vel, pode estar em perigo, sugere um novo estudo.<\/p>\n<p>A pesquisa, coordenada pelo professor Matthew England, da University of South Wales Sydney (UNSW Sydney), postula que as emiss\u00f5es de carbono no mundo t\u00eam um efeito negativo no processo que envolve trilh\u00f5es de toneladas de \u00e1gua do mar fria afundando na costa da Ant\u00e1rtica e conduzindo o fluxo de circula\u00e7\u00e3o revirada \u2013 \u201cuma rede de correntes que abrange os oceanos do mundo\u201d que \u201ctransporta calor, carbono, oxig\u00eanio e nutrientes ao redor do globo\u201d.<\/p>\n<p>\u201cNossa modelagem mostra que, se as emiss\u00f5es globais de carbono continuarem no ritmo atual, o tombamento da Ant\u00e1rtica diminuir\u00e1 em mais de 40% nos pr\u00f3ximos 30 anos \u2013 e em uma trajet\u00f3ria que parece caminhar para o colapso\u201d, disse a Inglaterra, conforme citado em uma imprensa.<\/p>\n<p>Os pesquisadores descobriram que o derretimento do gelo ant\u00e1rtico faz com que as \u00e1guas oce\u00e2nicas pr\u00f3ximas ao continente congelado se tornem menos densas, o que retarda a circula\u00e7\u00e3o ant\u00e1rtica.<\/p>\n<p>Se a corrente em quest\u00e3o entrasse em colapso, os oceanos abaixo da profundidade de 4.000 metros estagnariam, como diz o comunicado de imprensa, com England alertando sobre uma \u201cposs\u00edvel extin\u00e7\u00e3o a longo prazo de uma massa de \u00e1gua ic\u00f4nica\u201d.<\/p>\n<p>\u201cEssas mudan\u00e7as profundas na mudan\u00e7a de calor, \u00e1gua doce, oxig\u00eanio, carbono e nutrientes do oceano ter\u00e3o um impacto adverso significativo nos oceanos nos pr\u00f3ximos s\u00e9culos\u201d, acrescentou.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O sistema de circula\u00e7\u00e3o de \u00e1gua do oceano profundo perto da Ant\u00e1rtica, que influencia o clima e os ecossistemas marinhos em um grau consider\u00e1vel, pode estar em perigo, sugere um novo estudo. A pesquisa, coordenada pelo professor Matthew England, da University of South Wales Sydney (UNSW Sydney), postula que as emiss\u00f5es de carbono no mundo [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":302114,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[155],"tags":[],"class_list":["post-302113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-leitura-vip"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ci\u00eancia alerta sobre &#039;colapso&#039; de correntes oce\u00e2nicas - Notibras<\/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:\/\/www.notibras.com\/site\/ciencia-alerta-sobre-colapso-de-correntes-oceanicas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ci\u00eancia alerta sobre &#039;colapso&#039; de correntes oce\u00e2nicas - Notibras\" \/>\n<meta property=\"og:description\" content=\"O sistema de circula\u00e7\u00e3o de \u00e1gua do oceano profundo perto da Ant\u00e1rtica, que influencia o clima e os ecossistemas marinhos em um grau consider\u00e1vel, pode estar em perigo, sugere um novo estudo. A pesquisa, coordenada pelo professor Matthew England, da University of South Wales Sydney (UNSW Sydney), postula que as emiss\u00f5es de carbono no mundo [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.notibras.com\/site\/ciencia-alerta-sobre-colapso-de-correntes-oceanicas\/\" \/>\n<meta property=\"og:site_name\" content=\"Notibras\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/notibras\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-01T13:43:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.notibras.com\/site\/wp-content\/uploads\/2023\/04\/geolo.fim_.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1079\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Reda\u00e7\u00e3o\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Notibras\" \/>\n<meta name=\"twitter:site\" content=\"@Notibras\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Reda\u00e7\u00e3o\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\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:\\\/\\\/www.notibras.com\\\/site\\\/ciencia-alerta-sobre-colapso-de-correntes-oceanicas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/ciencia-alerta-sobre-colapso-de-correntes-oceanicas\\\/\"},\"author\":{\"name\":\"Reda\u00e7\u00e3o\",\"@id\":\"https:\\\/\\\/www.notibras.com\\\/site\\\/#\\\/schema\\\/person\\\/36ab0979449956132d3e5b517ea76ac8\"},\"headline\":\"Ci\u00eancia alerta sobre &#8216;colapso&#8217; 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