{"id":1267080,"date":"2020-12-22T23:43:19","date_gmt":"2020-12-22T23:43:19","guid":{"rendered":"https:\/\/www.pressenza.com\/?p=1267080"},"modified":"2020-12-22T23:49:33","modified_gmt":"2020-12-22T23:49:33","slug":"le-plus-grand-iceberg-du-monde-se-brise-en-deux","status":"publish","type":"post","link":"https:\/\/www.pressenza.com\/fr\/2020\/12\/le-plus-grand-iceberg-du-monde-se-brise-en-deux\/","title":{"rendered":"Le plus grand iceberg du monde se brise en deux"},"content":{"rendered":"

Un \u00e9norme bloc de glace couvrant environ 140 kilom\u00e8tres carr\u00e9s est tomb\u00e9 de l’iceberg g\u00e9ant A-68a, selon les images satellites.<\/p>\n

Selon un r\u00e9cent communiqu\u00e9 publi\u00e9 par l’Agence spatiale europ\u00e9enne (ESA), de nouvelles images capt\u00e9es par le satellite Sentinel 1 ont enregistr\u00e9 la s\u00e9paration d’un \u00e9norme morceau de glace, de 18 kilom\u00e8tres de long et couvrant pr\u00e8s de 140 kilom\u00e8tres carr\u00e9s, de la partie nord de l’iceberg A-68a, se rapprochant de la G\u00e9orgie du Sud.<\/p>\n

C’est le troisi\u00e8me grand morceau de glace perdu par l’A-68a depuis qu’il a \u00e9t\u00e9 lib\u00e9r\u00e9 de la plate-forme de glace \u00ab\u00a0Larsen C\u00a0\u00bb en Antarctique en 2017. L’iceberg original pesait environ 1,1 milliard de tonnes et couvrait 4 200 kilom\u00e8tres carr\u00e9s.<\/p>\n

En raison de la perte de masse que l’A-68a a subi ces derni\u00e8res semaines, sa taille a \u00e9t\u00e9 r\u00e9duite \u00e0 3 700 kilom\u00e8tres carr\u00e9s, perdant ainsi sa place de plus grand iceberg du monde. Cet honneur appartient maintenant \u00e0 l’A-23A, avec 4000 kilom\u00e8tres carr\u00e9s et, en ce moment, il se trouve dans la mer de Weddell, \u00e9galement en Antarctique.<\/p>\n","protected":false},"excerpt":{"rendered":"

Un \u00e9norme bloc de glace couvrant environ 140 kilom\u00e8tres carr\u00e9s est tomb\u00e9 de l’iceberg g\u00e9ant A-68a, selon les images satellites. Selon un r\u00e9cent communiqu\u00e9 publi\u00e9 par l’Agence spatiale europ\u00e9enne (ESA), de nouvelles images capt\u00e9es par le satellite Sentinel 1 ont…<\/p>\n","protected":false},"author":954,"featured_media":1265438,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[85517,85518],"class_list":["post-1267080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environnement-et-ecologie","tag-antarctique","tag-iceberg"],"yoast_head":"\nLe plus grand iceberg du monde se brise en deux<\/title>\n<meta name=\"description\" content=\"Un \u00e9norme bloc de glace couvrant environ 140 kilom\u00e8tres carr\u00e9s est tomb\u00e9 de l'iceberg g\u00e9ant A-68a, selon les images satellites. 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