{"id":2457,"date":"2014-07-20T13:27:55","date_gmt":"2014-07-20T18:27:55","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=2457"},"modified":"2014-07-21T13:24:51","modified_gmt":"2014-07-21T18:24:51","slug":"comment-lerosion-et-le-vent-sculptent-la-roche","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/comment-lerosion-et-le-vent-sculptent-la-roche\/","title":{"rendered":"Comment l&#8217;\u00e9rosion et le vent sculptent la roche"},"content":{"rendered":"<div id=\"attachment_2454\" style=\"width: 222px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/pngbase64d0b5346ca99acaf7.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2454\" class=\"size-medium wp-image-2454\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/pngbase64d0b5346ca99acaf7-212x300.png\" alt=\"Cette arche \u00e0 double vo\u00fbte se trouve dans le parc national des Arches en Utah aux \u00c9tats-Unis. (Cr\u00e9dit: Michael Atman)\" width=\"212\" height=\"300\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/pngbase64d0b5346ca99acaf7-212x300.png 212w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/pngbase64d0b5346ca99acaf7.png 265w\" sizes=\"auto, (max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-2454\" class=\"wp-caption-text\">Cette arche \u00e0 double vo\u00fbte se trouve dans le parc national des Arches en Utah aux \u00c9tats-Unis. (Cr\u00e9dit: Michael Atman)<\/p><\/div>\n<p>Vous \u00eates-vous d\u00e9j\u00e0 demand\u00e9 comment les arches de gr\u00e8s dans le parc national des Arches aux \u00c9tats-Unis peuvent-elles tenir debout sans s\u2019\u00e9crouler? Dans une nouvelle \u00e9tude, des chercheurs expliquent comment ces piliers sont sculpt\u00e9s dans la pierre seulement par l\u2019\u00e9rosion.<\/p>\n<p>Ils ont men\u00e9 des exp\u00e9riences en laboratoire en plus de simulations num\u00e9riques pour comprendre comment le gr\u00e8s qui peut \u00eatre assez friable devient tr\u00e8s r\u00e9sistant \u00e0 l\u2019\u00e9rosion lorsqu\u2019il est soumis \u00e0 une pression suffisante capable de compacter les grains de sable entre eux.<\/p>\n<h4>Images additionnelles disponibles.<\/h4>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em>Nature Geoscience<span style=\"color: #000000;\">\u00a0<\/span><\/em>le\u00a0<strong>20 juillet\u00a0<\/strong><strong>2014 <\/strong><a href=\"http:\/\/www.nature.com\/ngeo\/journal\/vaop\/ncurrent\/full\/ngeo2209.html\" target=\"_blank\">cliquez ici<\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/p>\n<h4><span style=\"color: #000000;\">Jiri Bruthans, Universit\u00e9 Charles \u00e0 Prague, R\u00e9publique Tch\u00e8que<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Vous \u00eates-vous d\u00e9j\u00e0 demand\u00e9 comment les arches de gr\u00e8s dans le parc national des Arches aux \u00c9tats-Unis peuvent-elles tenir debout sans s\u2019\u00e9crouler? Dans une nouvelle \u00e9tude, des chercheurs expliquent comment ces piliers sont sculpt\u00e9s dans la pierre seulement par l\u2019\u00e9rosion. Ils ont men\u00e9 des exp\u00e9riences en laboratoire en plus de simulations num\u00e9riques pour comprendre comment [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[531],"tags":[1987,1463,1986],"class_list":["post-2457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-erosion-fr","tag-geologie","tag-rocher"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/07\/pngbase64d0b5346ca99acaf7.png","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-DD","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=2457"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2457\/revisions"}],"predecessor-version":[{"id":2472,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2457\/revisions\/2472"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/2454"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=2457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=2457"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=2457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}