{"id":1553,"date":"2017-11-29T14:11:59","date_gmt":"2017-11-29T13:11:59","guid":{"rendered":"https:\/\/www.yannarthusbertrandphoto.com\/?post_type=product&p=1553"},"modified":"2018-03-29T10:58:39","modified_gmt":"2018-03-29T08:58:39","slug":"pjorsa-river-detail","status":"publish","type":"product","link":"https:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/pjorsa-river-detail\/","title":{"rendered":"Pjorsa River detail"},"content":{"rendered":"

La rivi\u00e8re Pjorsa (ou Thjorsa), la plus longue d\u2019Islande, creuse son lit dans des terrains recouverts de lave sur une distance de 230 km. Elle charrie jusqu\u2019\u00e0 l\u2019oc\u00e9an de multiples d\u00e9chets organiques et min\u00e9raux, d\u2019o\u00f9 sa couleur caract\u00e9ristique. L\u2019\u00eele est couverte d\u2019un vaste r\u00e9seau de rivi\u00e8res non navigables, pour la plupart issues de torrents subglaciaires, dont les parcours changeants et tortur\u00e9s rendent d\u00e9licate toute construction d\u2019ouvrages permanents tels que des ponts ou des barrages. L\u2019\u00e9nergie hydraulique permet n\u00e9anmoins de satisfaire plus de 80 % des besoins en \u00e9lectricit\u00e9 du pays, et les possibilit\u00e9s demeurent consid\u00e9rables, puisque seul un quart du potentiel hydraulique est exploit\u00e9. Mais la construction de barrages, dont la production \u00e9lectrique est destin\u00e9e \u00e0 de nouvelles usines m\u00e9tallurgiques, est de plus en plus contest\u00e9e.<\/p>\n

L\u2019Islande projette donc d\u2019utiliser ses sources d\u2019\u00e9nergie renouvelable (hydraulique, g\u00e9othermie) pour produire de l\u2019hydrog\u00e8ne, dans une d\u00e9marche pionni\u00e8re qui vise \u00e0 convertir l\u2019ensemble de son \u00e9conomie \u00e0 ce nouveau combustible non polluant avant 2040. Ruin\u00e9e par la sp\u00e9culation financi\u00e8re \u2013les trois principales banques du pays ont fait faillite\u2013, l\u2019Islande a mis un coup d\u2019arr\u00eat \u00e0 ces projets et repouss\u00e9 son objectif \u00e0 2050.<\/p>\n","protected":false},"excerpt":{"rendered":"

Islande<\/span><\/span><\/p>\n","protected":false},"featured_media":1597,"template":"","meta":{"inline_featured_image":false},"product_cat":[212],"product_tag":[],"yoast_head":"\nPjorsa River detail - Yann Arthus-Bertrand<\/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:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/pjorsa-river-detail\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pjorsa River detail - Yann Arthus-Bertrand\" \/>\n<meta property=\"og:description\" content=\"Islande\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/pjorsa-river-detail\/\" \/>\n<meta property=\"og:site_name\" content=\"Yann Arthus-Bertrand\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Y.A.Bertrand\/\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-29T08:58:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.yannarthusbertrandphoto.com\/wp-content\/uploads\/2017\/11\/yab_pjorsa_river_detail.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Yann_A_B\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/pjorsa-river-detail\/\",\"url\":\"https:\/\/www.yannarthusbertrandphoto.com\/fr\/produit\/pjorsa-river-detail\/\",\"name\":\"Pjorsa River detail - 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