{"id":4706,"date":"2026-03-03T14:43:15","date_gmt":"2026-03-03T17:43:15","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=4706"},"modified":"2026-03-03T15:12:51","modified_gmt":"2026-03-03T18:12:51","slug":"chuvas-na-antartica-estao-modelando-a-vida-no-continente-diz-pesquisadora","status":"publish","type":"post","link":"https:\/\/www.portalam9.com.br\/?p=4706","title":{"rendered":"Chuvas na Ant\u00e1rtica est\u00e3o modelando a vida no continente, diz pesquisadora"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Tempo de leitura: 3 minutos <\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8220;A Pen\u00ednsula Ant\u00e1rtica j\u00e1 est\u00e1 passando por mudan\u00e7as r\u00e1pidas. Se o aquecimento global chegar a 2\u00b0C ou 3\u00b0C neste s\u00e9culo, o clima extremo, as chuvas e o derretimento da superf\u00edcie se intensificar\u00e3o. Os danos aos ecossistemas, infraestruturas, geleiras e locais hist\u00f3ricos podem ser graves e potencialmente irrevers\u00edveis. A chuva, outrora uma raridade na Ant\u00e1rtica, est\u00e1 se tornando uma for\u00e7a capaz de remodelar a vida na pen\u00ednsula.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Cientistas afirmam que&nbsp;<strong>ocorr\u00eancias de chuva na Ant\u00e1rtica impacta diretamente na bioesfera regional<\/strong>. No artigo divulgado por pesquisadores da Newcastle University, a onda intensa de calor que atinge o mundo inteiro contribuiu para o aumento de precipita\u00e7\u00e3o na regi\u00e3o e pode mudar o car\u00e1ter glacial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Pen\u00ednsula Ant\u00e1rtica, pr\u00f3xima \u00e0 Am\u00e9rica do Sul, \u00e9 a zona mais afetada. Apesar de ser a parte mais quente da Ant\u00e1rtica, o ritmo do aquecimento est\u00e1 mais r\u00e1pido do que o resto do continente, al\u00e9m de superar o calor m\u00e9dio global.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A partir disso, os cientistas descobriram que \u00e0 medida que a Pen\u00ednsula fica mais quente, o n\u00edvel de chuvas aumenta. E se a temperatura acima do 0\u00baC se torna comum no continente, a frequ\u00eancia de volume pluviom\u00e9trico pode mudar totalmente a face da regi\u00e3o norte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A professora de Glaciologia na Newscastle University e l\u00edder do grupo de pesquisas, Bethan Davies, explicou que os rios atmosf\u00e9ricos, que s\u00e3o corredores de ar quente e \u00famido, tamb\u00e9m est\u00e3o aderindo ao clima ant\u00e1rtico, o que corresponde ao&nbsp;derretimento da superf\u00edcie de gelo. &#8220;<em>Esses eventos est\u00e3o ocorrendo com mais frequ\u00eancia, trazendo chuva e derretimento para regi\u00f5es onde nenhum dos dois havia sido observado antes<\/em>.&#8221;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">As consequ\u00eancias das chuvas no gelo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Todas vez que chove, o calor \u00e9 trazido e derrete a neve, que \u00e9 uma esp\u00e9cie de prote\u00e7\u00e3o para os gelos. Por isso, quando ela \u00e9 retirada, a base glacial \u00e9 &#8220;<em>lubrificada<\/em>&#8221; e se desliza com o gelo. Isso aumenta o&nbsp;desprendimento de icebergs&nbsp;<strong>e aumenta a taxa de perda de massa glacial para o oceano<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A perda do gelo marinho facilita a quebra das extremidades da geleira que se transformam em icebergs. Isso significa menos habitat para algas e para o crust\u00e1ceo krill, al\u00e9m de reduzir as \u00e1reas de reprodu\u00e7\u00e3o para animais t\u00edpicos dessa regi\u00e3o, como pinguins e focas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Impacto negativo aos animais<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Com a perda de \u00e1reas glaciais, os pinguins, que evolu\u00edram em um deserto polar e n\u00e3o possuem penas \u00e0 prova d&#8217;\u00e1gua, ao entrar em contato com as chuvas, podem ter hipotermia ou, em casos mais graves, morrer. Esse tamb\u00e9m \u00e9 o caso de outros invertebrados e moluscos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m disso, se h\u00e1 a diminui\u00e7\u00e3o de krill e outros&nbsp;alimentos ou animais aqu\u00e1ticos, determinadas esp\u00e9cies de pinguins, como Ad\u00e9lie e chinstrap, que s\u00e3o menos adapt\u00e1veis que pinguins gentoo, podem ser substitu\u00eddas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As algas dessa regi\u00e3o tamb\u00e9m podem escurecer a superf\u00edcie da neve, aumentar a absor\u00e7\u00e3o do calor do sol e acelerar os derretimentos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m da classe animal, para a comunidade humana que mora no continente e as eventuais constru\u00e7\u00f5es as quais se abrigam podem sofrer com a \u00e1gua do de gelo e precisar de manuten\u00e7\u00e3o frequentemente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Foto: Jason Edwards \/ Getty Images<\/em> <strong>\/ <\/strong><em>Fonte: CNN Brasil<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tempo de leitura: 3 minutos &#8220;A Pen\u00ednsula Ant\u00e1rtica j\u00e1 est\u00e1 passando por mudan\u00e7as r\u00e1pidas. Se<\/p>\n","protected":false},"author":3,"featured_media":4710,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[39],"class_list":["post-4706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mundo","tag-destaque"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chuvas na Ant\u00e1rtica est\u00e3o modelando a vida no continente, diz pesquisadora - Portal Amazonas 9<\/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:\/\/portalam9.com.br\/?p=4706\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chuvas na Ant\u00e1rtica est\u00e3o modelando a vida no continente, diz pesquisadora - Portal Amazonas 9\" \/>\n<meta property=\"og:description\" content=\"Tempo de leitura: 3 minutos &#8220;A Pen\u00ednsula Ant\u00e1rtica j\u00e1 est\u00e1 passando por mudan\u00e7as r\u00e1pidas. 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