{"id":10634,"date":"2018-03-29T10:57:38","date_gmt":"2018-03-29T08:57:38","guid":{"rendered":"https:\/\/www.yannarthusbertrandphoto.com\/?post_type=product&p=10634"},"modified":"2018-03-29T10:57:38","modified_gmt":"2018-03-29T08:57:38","slug":"volcan","status":"publish","type":"product","link":"https:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/volcan\/","title":{"rendered":"Volcan"},"content":{"rendered":"

Terre essentiellement volcanique, l\u2019Islande a \u00e9t\u00e9 le lieu des plus grandes \u00e9ruptions des temps historiques. Mais la plus importante est sans doute celle du Laki, appel\u00e9 \u00e9galement Lakagigar, un volcan qui fait partie du syst\u00e8me volcanique du Myrdalsj\u00f6kull. Le 8 juin 1783, commence une \u00e9ruption qui va durer jusqu\u2019au 7 f\u00e9vrier 1784. Dans l\u2019intervalle, le long d\u2019une fissure de 25 km de long, quelque 15 km3 de laves se sont \u00e9coul\u00e9s, recouvrant une surface de 565 km2. Il n\u2019y a pas eu de forte explosion, mais les gaz magmatiques soufr\u00e9s (122 millions de tonnes de soufre rejet\u00e9es essentiellement sous la forme de dioxyde de soufre) ont \u00e9t\u00e9 tr\u00e8s abondants, provoquant la mort du b\u00e9tail par empoisonnement et entra\u00eenant des pluies acides \u00e0 l\u2019origine de la destruction des r\u00e9coltes. Au cours des trois ann\u00e9es qui suivirent l\u2019\u00e9ruption, le quart de la population islandaise devait mourir de famine. Durant l\u2019\u00e9t\u00e9 1783, en Angleterre et en France, de nombreux observateurs remarqu\u00e8rent que le soleil \u00e9tait voil\u00e9 par une brume bleut\u00e9e. Il s\u2019ensuivit un hiver particuli\u00e8rement froid en Europe. On estime aujourd\u2019hui que le nuage d\u2019a\u00e9rosol rejet\u00e9 dans la haute atmosph\u00e8re provoqua une baisse de 1 \u00b0C de la temp\u00e9rature moyenne dans l\u2019h\u00e9misph\u00e8re Nord.<\/p>\n","protected":false},"excerpt":{"rendered":"

Chaine de volcans de Lakagigar, Islande (64\u00b007\u2019 N – 18\u00b014\u2019 O).<\/p>\n","protected":false},"featured_media":10635,"template":"","meta":{"inline_featured_image":false},"product_cat":[410],"product_tag":[],"yoast_head":"\nVolcan, Islande - Yann Arthus-Bertrand Photographie<\/title>\n<meta name=\"description\" content=\"Terre essentiellement volcanique, l\u2019Islande a \u00e9t\u00e9 le lieu des plus grandes \u00e9ruptions des temps historiques. 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