{"id":22999,"date":"2024-10-01T10:02:00","date_gmt":"2024-10-01T13:02:00","guid":{"rendered":"https:\/\/www.diariodepe.com.br\/xinhua\/?p=22999"},"modified":"2024-09-30T18:38:19","modified_gmt":"2024-09-30T21:38:19","slug":"cientistas-descobrem-geleira-mais-espessa-do-planalto-qinghai-xizang","status":"publish","type":"post","link":"https:\/\/diariodepe.com.br\/xinhua\/2024\/10\/01\/cientistas-descobrem-geleira-mais-espessa-do-planalto-qinghai-xizang\/","title":{"rendered":"Cientistas descobrem geleira mais espessa do planalto Qinghai-Xizang"},"content":{"rendered":"\n<p>\u00a0Lhasa,- Cientistas identificaram a geleira mais espessa do planalto Qinghai-Xizang, conhecida como a torre de \u00e1gua da \u00c1sia, ap\u00f3s a descoberta de um campo de gelo de quase 400 metros de espessura.<\/p>\n\n\n\n<p>&nbsp; &nbsp;O campo de gelo, com uma espessura m\u00e1xima mensurada de quase 400 metros, faz parte da geleira Purog Kangri, no distrito de Tsonyi, na Regi\u00e3o Aut\u00f4noma de Xizang, sudoeste da China, de acordo com pesquisadores da Academia Chinesa de Ci\u00eancias (CAS, em ingl\u00eas).<\/p>\n\n\n\n<p>&nbsp; &nbsp;A medi\u00e7\u00e3o determinou que a geleira Purog Kangri \u00e9 agora a geleira mais espessa do planalto Qinghai-Xizang, produzindo a calota de gelo Guliya na sub-regi\u00e3o de Ngari.<\/p>\n\n\n\n<p>&nbsp; &nbsp;As geleiras cont\u00eam informa\u00e7\u00f5es importantes sobre a hist\u00f3ria clim\u00e1tica da Terra. Anteriormente, os cientistas perfuraram um n\u00facleo de gelo de 308,6 metros de Guliya, que foi formado ao longo de um per\u00edodo de mais de 700.000 anos.<\/p>\n\n\n\n<p>&nbsp; &nbsp;Os cientistas atualmente est\u00e3o extraindo n\u00facleos de gelo da geleira Purog Kangri, que acreditam conter gelo mais antigo.<\/p>\n\n\n\n<p>&nbsp; &nbsp;&#8220;Atualmente, as geleiras em todo o mundo est\u00e3o recuando. Uma vez que eles derretam, os registros hist\u00f3ricos encapsulados neles tamb\u00e9m desaparecem&#8221;, disse Lonnie Thompson, acad\u00eamico estrangeiro do CAS e membro da Academia Americana de Ci\u00eancias.<\/p>\n\n\n\n<p>&nbsp; &nbsp;\u201cPortanto, extrair e preservar n\u00facleos de gelo \u00e9 crucial para recuperar informa\u00e7\u00f5es hist\u00f3ricas\u201d, acrescentou Thompson, que participou do processo de medi\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0Lhasa,- Cientistas identificaram a geleira mais espessa do planalto Qinghai-Xizang, conhecida como a torre de \u00e1gua da \u00c1sia, ap\u00f3s a descoberta de um campo de gelo de quase 400 metros de espessura. &nbsp; &nbsp;O campo de gelo, com uma espessura&#8230;<\/p>\n","protected":false},"author":3,"featured_media":23000,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-22999","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-china"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cientistas descobrem geleira mais espessa do planalto Qinghai-Xizang - Xinhua - Diario de Pernambuco<\/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:\/\/diariodepe.com.br\/xinhua\/2024\/10\/01\/cientistas-descobrem-geleira-mais-espessa-do-planalto-qinghai-xizang\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas descobrem geleira mais espessa do planalto Qinghai-Xizang - Xinhua - Diario de Pernambuco\" \/>\n<meta property=\"og:description\" content=\"\u00a0Lhasa,- Cientistas identificaram a geleira mais espessa do planalto Qinghai-Xizang, conhecida como a torre de \u00e1gua da \u00c1sia, ap\u00f3s a descoberta de um campo de gelo de quase 400 metros de espessura. &nbsp; &nbsp;O campo de gelo, com uma espessura...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/diariodepe.com.br\/xinhua\/2024\/10\/01\/cientistas-descobrem-geleira-mais-espessa-do-planalto-qinghai-xizang\/\" \/>\n<meta property=\"og:site_name\" content=\"Xinhua - Diario de Pernambuco\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-01T13:02:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/diariodepe.com.br\/xinhua\/wp-content\/uploads\/sites\/3\/2024\/09\/20240930c1ccb84c93b14b9e94010761a1999158_XxjwspP007031_20240930_CBMFN0A001.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"889\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marcelo Oliveira de A. 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China launched a scientific expedition in Lhasa on Aug. 18 to investigate the Qinghai-Xizang Plateau -- known as Asia's \\\"water tower\\\" -- with a target region encompassing \\\"one glacier, two lakes and three rivers.\\\" The region is home to Purog Kangri Glacier, the largest glacier in the world, located in the mid to low-latitude regions, as well as Siling Lake and Namtso Lake, the largest and second-largest lakes in Xizang, respectively. It is also the birthplace of the Yangtze River, Nujiang River and Yarlung Zangbo River. Over the past 20 years, the climate and environment in the region have experienced dramatic changes, including accelerated glacier retreat and rapid lake expansion. These transformations have affected the structure and function of the regional ecosystem, with significant implications for human survival and development. This scientific expedition, based on an Earth system science perspective, will identify the characteristics of regional climate and ecological changes and reveal the mechanisms behind these changes. 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China launched a scientific expedition in Lhasa on Aug. 18 to investigate the Qinghai-Xizang Plateau -- known as Asia's \"water tower\" -- with a target region encompassing \"one glacier, two lakes and three rivers.\" The region is home to Purog Kangri Glacier, the largest glacier in the world, located in the mid to low-latitude regions, as well as Siling Lake and Namtso Lake, the largest and second-largest lakes in Xizang, respectively. It is also the birthplace of the Yangtze River, Nujiang River and Yarlung Zangbo River. Over the past 20 years, the climate and environment in the region have experienced dramatic changes, including accelerated glacier retreat and rapid lake expansion. These transformations have affected the structure and function of the regional ecosystem, with significant implications for human survival and development. This scientific expedition, based on an Earth system science perspective, will identify the characteristics of regional climate and ecological changes and reveal the mechanisms behind these changes. 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