{"id":21212,"date":"2011-09-09T23:23:09","date_gmt":"2011-09-09T23:23:09","guid":{"rendered":"https:\/\/www.institutodeengenharia.org.br\/?p=21212"},"modified":"2011-09-09T16:51:49","modified_gmt":"2011-09-09T16:51:49","slug":"radiacao-no-mar-de-fukushima-e-o-triplo-da-estimada-pela-tepco","status":"publish","type":"post","link":"https:\/\/www.institutodeengenharia.org.br\/site\/2011\/09\/09\/radiacao-no-mar-de-fukushima-e-o-triplo-da-estimada-pela-tepco\/","title":{"rendered":"Radia\u00e7\u00e3o no mar de Fukushima \u00e9 o triplo da estimada pela Tepco"},"content":{"rendered":"<p>O material radioativo despejado no mar pela crise nuclear de Fukushima \u00e9 mais de tr\u00eas vezes a quantidade estimada pela operadora da usina, Tokyo Electric Power Co. (Tepco), disseram pesquisadores japoneses.&nbsp;<\/p>\n<p>A maior empresa de energia do Jap\u00e3o estimou que cerca de 4.720 trilh\u00f5es de bequer\u00e9is de c\u00e9sio-137 e iodo-131 foram liberados no oceano Pac\u00edfico entre 21 de mar\u00e7o e 30 de abril, mas pesquisadores da Ag\u00eancia de Energia At\u00f4mica do Jap\u00e3o estimaram uma quantidade de 15.000 trilh\u00f5es de bequer\u00e9is, ou terabequer\u00e9is. <\/p>\n<p>Regulamenta\u00e7\u00f5es do governo pro\u00edbem o com\u00e9rcio de alimentos contendo mais de 500 bequer\u00e9is de material radioativo por quilo. <\/p>\n<p>Takuya Kobayashi, pesquisador na ag\u00eancia, disse nesta sexta-feira que a diferen\u00e7a nos dados provavelmente ocorreu porque sua equipe mediu o material radioativo transportado pelo ar que caiu no oceano, al\u00e9m do material na \u00e1gua contaminada que vazou da usina. <\/p>\n<p>Ele acredita que a Tepco excluiu a radia\u00e7\u00e3o emitida originalmente pelo material transportado pelo ar. O relat\u00f3rio n\u00e3o inclui dados para o c\u00e9sio-134 porque o grupo de pesquisa inicialmente n\u00e3o tinha os recursos para medir o is\u00f3topo. Isso significa que a quantidade estimada de material radioativo deve aumentar ap\u00f3s novos c\u00e1lculos. <\/p>\n<p>O terremoto e tsunami de 11 de mar\u00e7o desativaram os sistemas de resfriamento dos reatores na usina de Fukushima Daiichi, 240 quil\u00f4metros ao norte de T\u00f3quio, provocando o derretimento das barras de combust\u00edvel e o vazamento de radia\u00e7\u00e3o. <\/p>\n<p>Quantidades enormes de \u00e1gua contaminada foram acumuladas durante os esfor\u00e7os para resfriar os reatores, e grande parte vazou para o mar. \u00cdndices de radia\u00e7\u00e3o j\u00e1 foram detectadas em peixes, algas e outros frutos do mar. <\/p>\n<p>A Tepco se aproximou nesta semana de seu objetivo de trazer os reatores ao estado de desligamento a frio at\u00e9 janeiro, e a temperatura na segunda das tr\u00eas unidades danificadas j\u00e1 foi reduzida para abaixo do ponto de ebuli\u00e7\u00e3o. <\/p>\n<p><b>Autor: O Estado de S.Paulo<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pesquisadores da Ag\u00eancia de Energia At\u00f4mica do Jap\u00e3o estimam 15.000 trilh\u00f5es de bequer\u00e9is em mar<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,6],"tags":[],"class_list":{"0":"post-21212","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-meio-ambiente","7":"category-noticias"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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