{"id":7147,"date":"2017-01-18T08:53:34","date_gmt":"2017-01-18T08:53:34","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=7147"},"modified":"2017-01-25T15:06:22","modified_gmt":"2017-01-25T15:06:22","slug":"crater-lake-une-nuit-dhiver-sous-la-voie-lactee","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/01\/18\/crater-lake-une-nuit-dhiver-sous-la-voie-lactee\/","title":{"rendered":"Crater Lake : une nuit d&#8217;hiver sous la Voie lact\u00e9e"},"content":{"rendered":"<p><strong>Petit d\u00e9tour nocturne par <em>Crater Lake<\/em>, un lac de crat\u00e8re dans l&#8217;\u00e9tat de l&#8217;Oregon que le photographe\u00a0Matthew Newman a immortalis\u00e9 sous la Voie lact\u00e9e.<\/strong><\/p>\n<p>Au coeur des for\u00eats de conif\u00e8res qui recouvrent une grande partie de l&#8217;\u00e9tat de l&#8217;Oregon, au nord-ouest des \u00c9tats-Unis, <em>Crater Lake<\/em> est une curiosit\u00e9 qui vaut le d\u00e9tour. Profond d&#8217;un peu moins de 600 m, ce lac s&#8217;est form\u00e9 progressivement par remplissage d&#8217;une caldeira n\u00e9e il y a 7.000 ans au cours d&#8217;une formidable \u00e9ruption du volcan Mazama qui projeta \u00a0des millions de tonnes de cendres jusqu&#8217;au Wyoming, au Nevada et en Colombie-Britannique.<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake.jpg\" rel=\"lightbox[7147]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-7148\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake-450x300.jpg\" alt=\"\" width=\"450\" height=\"300\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake-450x300.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake-768x512.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake-1024x682.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/01\/crater_lake.jpg 1100w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Ce lac est l&#8217;embl\u00e8me du <a href=\"https:\/\/www.nps.gov\/crla\/index.htm\" target=\"_blank\">parc national du m\u00eame nom<\/a> cr\u00e9\u00e9 en 1902 qui s&#8217;\u00e9tend sur 740 km\u00b2 et dont l&#8217;altitude varie de\u00a01.882 m \u00e0 la surface du lac jusqu&#8217;\u00e0 2.720 m au sommet du Mont Scott.<!--more--><\/p>\n<p>Les eaux du lac (compos\u00e9es de la fonte des neiges et d&#8217;eau de pluie) sont connues pour leur grande limpidit\u00e9. Except\u00e9e l&#8217;\u00eele Wizard que l&#8217;on voit sur le lac, <em>Crater Lake<\/em> ressemble beaucoup au jeune<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/12\/zoom-cratere-impact-pingualuit\/\" target=\"_blank\"> crat\u00e8re d&#8217;impact des Pingualuit<\/a> qui se situe au Nunavik, \u00e0 l\u2019extr\u00e9mit\u00e9 nord du Qu\u00e9bec, parfois surnomm\u00e9 l\u2019\u0153il de cristal. Ces lacs tr\u00e8s purs sont \u00e9galement extr\u00eamement fragiles en raison du temps n\u00e9cessaire (plusieurs centaines d&#8217;ann\u00e9es) pour renouveler la totalit\u00e9 de leur volume.<\/p>\n<p>Bravant le froid, le photographe\u00a0<a href=\"http:\/\/www.matthewnewmanphotography.com\/\" target=\"_blank\">Matthew Newman<\/a> a choisi de se rendre \u00e0 <em>Crater Lake<\/em> pendant l&#8217;hiver pour y r\u00e9aliser ce panorama nocturne montrant la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/11\/21\/lorigine-de-la-voie-lactee-peinte-par-pierre-paul-rubens\/\" target=\"_blank\">Voie lact\u00e9e<\/a> au-dessus du lac, loin de toute <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/28\/pollution-lumineuse\/\" target=\"_blank\">pollution lumineuse<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Petit d\u00e9tour nocturne par Crater Lake, un lac de crat\u00e8re dans l&#8217;\u00e9tat de l&#8217;Oregon que le photographe\u00a0Matthew Newman a immortalis\u00e9 sous la Voie lact\u00e9e. Au coeur des for\u00eats de conif\u00e8res qui recouvrent une grande partie de l&#8217;\u00e9tat de l&#8217;Oregon, au nord-ouest des \u00c9tats-Unis, Crater Lake est une curiosit\u00e9 qui vaut le d\u00e9tour. Profond d&#8217;un peu &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/01\/18\/crater-lake-une-nuit-dhiver-sous-la-voie-lactee\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Crater Lake : une nuit d&#8217;hiver sous la Voie lact\u00e9e<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":7148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[84],"tags":[2026,2031,2027,2028,2029,2030,167,166],"class_list":["post-7147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciel-etoile","tag-crater-lake","tag-crater-lake-national-park","tag-etat-de-loregon","tag-matthew-newman","tag-mont-mazama","tag-mont-scott","tag-pollution-lumineuse","tag-voie-lactee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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