{"id":4482,"date":"2023-08-21T19:10:38","date_gmt":"2023-08-21T19:10:38","guid":{"rendered":"https:\/\/dailyai.com\/?p=4482"},"modified":"2023-08-22T08:53:30","modified_gmt":"2023-08-22T08:53:30","slug":"googles-ai-flood-detection-system-predicts-floods-four-days-in-advance","status":"publish","type":"post","link":"https:\/\/dailyai.com\/pt\/2023\/08\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\/","title":{"rendered":"O sistema de dete\u00e7\u00e3o de inunda\u00e7\u00f5es com IA da Google prev\u00ea inunda\u00e7\u00f5es com quatro dias de anteced\u00eancia"},"content":{"rendered":"<p><b>A IA de previs\u00e3o de inunda\u00e7\u00f5es da Google, designada por \"Flood Hub\", pode agora prever potenciais inunda\u00e7\u00f5es com quatro dias de anteced\u00eancia, mesmo em regi\u00f5es onde os dados sobre o fluxo de \u00e1gua s\u00e3o escassos, como na Am\u00e9rica do Sul e em \u00c1frica.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Nalguns casos em que existem muitos dados dispon\u00edveis, <\/span><a href=\"https:\/\/sites.research.google\/floodforecasting\/\"><span style=\"font-weight: 400;\">IA de previs\u00e3o de cheias da Google<\/span><\/a><span style=\"font-weight: 400;\"> podem prever inunda\u00e7\u00f5es cerca de sete dias antes da cat\u00e1strofe.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Historicamente, a exatid\u00e3o das previs\u00f5es de cheias tem estado ligada \u00e0 disponibilidade de dados precisos sobre o caudal da \u00e1gua. Embora as regi\u00f5es pr\u00f3speras tenham frequentemente acesso a esta informa\u00e7\u00e3o cr\u00edtica, muitas \u00e1reas, especialmente em pa\u00edses de baixo rendimento, n\u00e3o t\u00eam.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tal como descrito num <\/span><a href=\"https:\/\/arxiv.org\/pdf\/2307.16104.pdf\"><span style=\"font-weight: 400;\">documento recente<\/span><\/a><span style=\"font-weight: 400;\">Os m\u00e9todos mais recentes da Google aumentaram consideravelmente a efic\u00e1cia do sistema quando os dados s\u00e3o escassos.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/arxiv.org\/pdf\/2307.16104.pdf\"><span style=\"font-weight: 400;\">Centro de Inunda\u00e7\u00f5es<\/span><\/a><span style=\"font-weight: 400;\"> foi inicialmente criado em 2018 para pa\u00edses propensos a inunda\u00e7\u00f5es como a \u00cdndia e o Bangladesh.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Desde ent\u00e3o, Grey Nearing e os seus colegas da Google melhoraram o sistema integrando dados de caudal dispon\u00edveis publicamente fornecidos pela Organiza\u00e7\u00e3o Meteorol\u00f3gica Mundial e previs\u00f5es meteorol\u00f3gicas terrestres e por sat\u00e9lite.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nearing sublinhou a progress\u00e3o da ferramenta: \"Uma das limita\u00e7\u00f5es dos modelos hidrol\u00f3gicos tradicionais \u00e9 o facto de serem realmente precisos sobretudo em locais onde est\u00e3o bem calibrados\". <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Os modelos de IA, apesar de serem baseados em dados, aprendem comportamentos hidrol\u00f3gicos gerais e s\u00e3o mais capazes de se deslocar de um local para outro\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nearing e a sua equipa realizaram testes exaustivos ao sistema de IA utilizando mais de 5000 medi\u00e7\u00f5es de caudal de \u00e1gua entre 1984 e 2021. De forma not\u00e1vel, as previs\u00f5es feitas com quatro dias de anteced\u00eancia foram t\u00e3o exactas como o que a maioria dos sistemas actuais poderia estimar no mesmo dia.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nearing observou: \"Se for ao nosso Flood Hub e consultar as previs\u00f5es para daqui a quatro dias, obter\u00e1 informa\u00e7\u00f5es t\u00e3o exactas como as que obteria com o sistema existente se fosse hoje\". <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pode <\/span><a href=\"https:\/\/sites.research.google\/floods\/l\/59.3329255363872\/10.171451329743743\/6\"><span style=\"font-weight: 400;\">explorar a ferramenta aqui<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Atualmente, o Flood Hub da Google fornece dados para mais de 460 milh\u00f5es de pessoas em mais de 80 pa\u00edses e tem enviado alertas de inunda\u00e7\u00f5es desde outubro de 2022.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Como \u00e9 que a modela\u00e7\u00e3o de inunda\u00e7\u00f5es da Google tem melhorado ao longo do tempo<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As inunda\u00e7\u00f5es s\u00e3o a cat\u00e1strofe natural mais frequente, custando anualmente cerca de $10 mil milh\u00f5es em preju\u00edzos e afectando a vida de in\u00fameras pessoas, <\/span><a href=\"https:\/\/blog.google\/technology\/ai\/expanding-our-ml-based-flood-forecasting\/\"><span style=\"font-weight: 400;\">A Google declarou<\/span><\/a><span style=\"font-weight: 400;\"> em 2021.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Isso foi antes das inunda\u00e7\u00f5es no Paquist\u00e3o, que <\/span><a href=\"https:\/\/www.reuters.com\/world\/asia-pacific\/initial-economic-losses-pakistan-floods-least-10-bln-planning-minister-2022-08-29\/#\"><span style=\"font-weight: 400;\">custar cerca de $10bn<\/span><\/a><span style=\"font-weight: 400;\"> por direito pr\u00f3prio.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Quando os rios sobem: como a IA est\u00e1 a ajudar a prever as inunda\u00e7\u00f5es\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/Mz0ikfuE_z0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3><span style=\"font-weight: 400;\">Previs\u00e3o da an\u00e1lise da \u00e1gua<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A pedra angular da previs\u00e3o de inunda\u00e7\u00f5es \u00e9 a previs\u00e3o de potenciais inunda\u00e7\u00f5es fluviais. Os modelos hidrol\u00f3gicos, que prev\u00eaem os n\u00edveis de \u00e1gua ou as descargas fluviais com base em dados como a precipita\u00e7\u00e3o ou as medi\u00e7\u00f5es de medidores a montante, s\u00e3o indispens\u00e1veis.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Outro modelo, o modelo de inunda\u00e7\u00e3o, simula o comportamento da \u00e1gua \u00e0 medida que se desloca atrav\u00e9s da plan\u00edcie de inunda\u00e7\u00e3o. Isto permite uma an\u00e1lise mais localizada do local onde as cheias podem ocorrer.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Redes neuronais<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Em 2020, a Google introduziu o HydroNets, uma estrutura de rede neural profunda \u00fanica adaptada \u00e0s previs\u00f5es do n\u00edvel da \u00e1gua.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ao estruturar-se em torno da rede fluvial analisada, o HydroNets permite que as localiza\u00e7\u00f5es a montante transmitam dados cr\u00edticos aos modelos a jusante.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A Google desenvolveu recentemente um modelo de IA para <a href=\"https:\/\/dailyai.com\/pt\/2023\/08\/google-and-american-airlines-collaborate-on-ai-to-reduce-polluting-contrails\/\">reduzir a polui\u00e7\u00e3o dos avi\u00f5es<\/a>A empresa est\u00e1 empenhada no desenvolvimento de novos modelos para o tratamento de doen\u00e7as infecciosas. <\/span><span style=\"font-weight: 400;\">fins n\u00e3o comerciais.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>A IA de previs\u00e3o de inunda\u00e7\u00f5es da Google, designada por \"Flood Hub\", pode agora prever potenciais inunda\u00e7\u00f5es com quatro dias de anteced\u00eancia, mesmo em regi\u00f5es onde os dados sobre o fluxo de \u00e1gua s\u00e3o escassos, como na Am\u00e9rica do Sul e em \u00c1frica.  Nalguns casos em que existem dados abundantes, a IA de previs\u00e3o de inunda\u00e7\u00f5es da Google pode prever inunda\u00e7\u00f5es cerca de sete dias antes da cat\u00e1strofe.  Historicamente, a exatid\u00e3o das previs\u00f5es de inunda\u00e7\u00f5es tem estado ligada \u00e0 disponibilidade de dados precisos sobre o caudal da \u00e1gua. Embora as regi\u00f5es ricas tenham frequentemente acesso a estas informa\u00e7\u00f5es essenciais, muitas zonas, especialmente em pa\u00edses com baixos rendimentos, n\u00e3o t\u00eam.  Conforme descrito num artigo recente, os m\u00e9todos mais recentes da Google aumentaram consideravelmente<\/p>","protected":false},"author":2,"featured_media":4483,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[127,163,102,105],"class_list":["post-4482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics","tag-ai","tag-ai-risks","tag-google","tag-machine-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google\u2019s AI flood detection system predicts floods four days in advance | DailyAI<\/title>\n<meta name=\"description\" content=\"Google&#039;s flood prediction AI, dubbed the &quot;Flood Hub,&quot; can now forecast potential flooding events four days in advance, even in regions where water flow data is scarce, such as South America and Africa.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/pt\/2023\/08\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google\u2019s AI flood detection system predicts floods four days in advance | DailyAI\" \/>\n<meta property=\"og:description\" content=\"Google&#039;s flood prediction AI, dubbed the &quot;Flood Hub,&quot; can now forecast potential flooding events four days in advance, even in regions where water flow data is scarce, such as South America and Africa.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/pt\/2023\/08\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-21T19:10:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-22T08:53:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2023\/08\/shutterstock_2199759877.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"563\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sam Jeans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:site\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/2023\\\/08\\\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2023\\\/08\\\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\\\/\"},\"author\":{\"name\":\"Sam Jeans\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/#\\\/schema\\\/person\\\/711e81f945549438e8bbc579efdeb3c9\"},\"headline\":\"Google\u2019s AI flood detection system predicts floods four days in advance\",\"datePublished\":\"2023-08-21T19:10:38+00:00\",\"dateModified\":\"2023-08-22T08:53:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2023\\\/08\\\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\\\/\"},\"wordCount\":508,\"publisher\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2023\\\/08\\\/googles-ai-flood-detection-system-predicts-floods-four-days-in-advance\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dailyai.com\\\/wp-content\\\/uploads\\\/2023\\\/08\\\/shutterstock_2199759877.jpg\",\"keywords\":[\"AI\",\"AI risks\",\"Google\",\"machine learning\"],\"articleSection\":[\"Ethics &amp; 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