{"id":21064,"date":"2022-12-01T20:50:24","date_gmt":"2022-12-01T20:50:24","guid":{"rendered":"https:\/\/volofoundation.org\/?post_type=research&p=21064"},"modified":"2022-12-01T21:02:03","modified_gmt":"2022-12-01T21:02:03","slug":"mediciones-de-metano-y-d18o-atm-en-huascaran","status":"publish","type":"research","link":"https:\/\/volofoundation.org\/es\/research\/mediciones-de-metano-y-d18o-atm-en-huascaran\/","title":{"rendered":"Mediciones de metano y d18O atm en Huascar\u00e1n"},"content":{"rendered":"

Por Lonnie G. Thompson<\/strong><\/p>\n

\"\"

La monta\u00f1a tropical m\u00e1s alta de la Tierra, Nevado Huascar\u00e1n (9.1oS; 77.6oW; 6756 msnm) en la Cordillera Blanca, Per\u00fa, es el <\/span>\u00fanico<\/span> sitio documentado en los tr\u00f3picos profundos que se encuentra sobre la cuenca del Amazonas y contiene una historia inalterada de ~ 20 ky de variabilidad clim\u00e1tica y ambiental.<\/span>\u00a0<\/span><\/p>\n

El proyecto de perforaci\u00f3n de n\u00facleos de hielo de 2019 en Huascar\u00e1n result\u00f3 en la recuperaci\u00f3n exitosa de 471.6 metros de n\u00facleos de hielo. Se perforaron dos n\u00facleos en el lecho rocoso del collado; El n\u00facleo Col A (CCA) tiene una longitud de 165 m, y el n\u00facleo Col B (CCB) tiene una longitud de 168,6 m y mide las temperaturas del hielo \/ roca madre de -4 \u00b0 C.<\/span>\u00a0<\/span><\/p>\n

Adem\u00e1s, se perforaron dos n\u00facleos de hielo en el lecho rocoso en la cima del Pico Sur. El n\u00facleo de la cumbre A (SCA) y el n\u00facleo de la cumbre B (SCB) tienen 69,33 m y 68,73 m de largo, respectivamente con hielo medido \/ roca madre con temperaturas de -9oC.SCA ySCB son los n\u00facleos de hielo de mayor elevaci\u00f3n que se recolectar\u00e1n de un glaciar del hemisferio sur (Fig.1).<\/span>\u00a0<\/span><\/p>\n

El objetivo del proyecto Methane and d180air financiado por la Fundaci\u00f3n VoLo fue producir el primer registro de alta resoluci\u00f3n de metano y aire d180 para n\u00facleos de hielo recuperados de la monta\u00f1a tropical m\u00e1s alta del mundo, Huascar\u00e1n, en los Andes de Per\u00fa, en un intento por establecer la primera historia de metano tropical que cubre los primeros 20.000 a\u00f1os para usar los registros de aire y metano d180 con el fin de establecer una escala de tiempo bien restringida, que es esencial la correcta interpretaci\u00f3n de los registros clim\u00e1ticos y ambientales de estos n\u00facleos.<\/span>\u00a0<\/span><\/p>\n

Esta investigaci\u00f3n es un esfuerzo de colaboraci\u00f3n entre los equipos de los profesores Ed Brook, Universidad Estatal de Oreg\u00f3n, profesor Jeffrey Severinghaus (SCRIPPS) y nuestro equipo en la Universidad de Ohio.<\/span>\u00a0<\/span><\/p>\n

El aire recuperado de las burbujas de aire en los n\u00facleos de hielo de Huascar\u00e1n representa el aire que ha fluido sobre la vasta cuenca del Amazonas por los Levantes antes de elevarse sobre la Cordillera de los Andes.\u00a0 Esperamos utilizar estas nuevas mediciones junto con otros par\u00e1metros del n\u00facleo de hielo que ya est\u00e1n en marcha para investigar posibles \u00abpuntos de inflexi\u00f3n\u00bb de paso en la cuenca del Amazonas impulsados por la variaci\u00f3n natural del clima en los <\/span>\u00faltimos<\/span> 20.000 a\u00f1os.<\/span>\u00a0<\/span><\/p>\n","protected":false},"featured_media":21062,"template":"","research_category":[45],"class_list":["post-21064","research","type-research","status-publish","has-post-thumbnail","hentry","research_category-investigaciones"],"acf":[],"yoast_head":"\nMediciones de metano y d18O atm en Huascar\u00e1n - VoLo Foundation<\/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:\/\/volofoundation.org\/es\/research\/mediciones-de-metano-y-d18o-atm-en-huascaran\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mediciones de metano y d18O atm en Huascar\u00e1n - VoLo Foundation\" \/>\n<meta property=\"og:description\" content=\"Por Lonnie G. Thompson La monta\u00f1a tropical m\u00e1s alta de la Tierra, Nevado Huascar\u00e1n (9.1oS; 77.6oW; 6756 msnm) en la Cordillera Blanca, Per\u00fa, es el \u00fanico sitio documentado en los tr\u00f3picos profundos que se encuentra sobre la cuenca del Amazonas y contiene una historia inalterada de ~ 20 ky de variabilidad clim\u00e1tica y ambiental.\u00a0 El […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/volofoundation.org\/es\/research\/mediciones-de-metano-y-d18o-atm-en-huascaran\/\" \/>\n<meta property=\"og:site_name\" content=\"VoLo Foundation\" \/>\n<meta property=\"article:modified_time\" content=\"2022-12-01T21:02:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/volofoundation.org\/wp-content\/uploads\/2022\/12\/Untitled-design-69.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/volofoundation.org\\\/es\\\/research\\\/mediciones-de-metano-y-d18o-atm-en-huascaran\\\/\",\"url\":\"https:\\\/\\\/volofoundation.org\\\/es\\\/research\\\/mediciones-de-metano-y-d18o-atm-en-huascaran\\\/\",\"name\":\"Mediciones de metano y d18O atm en Huascar\u00e1n - 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