{"id":3146,"date":"2014-10-01T13:02:38","date_gmt":"2014-10-01T18:02:38","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=3146"},"modified":"2014-10-01T11:59:47","modified_gmt":"2014-10-01T16:59:47","slug":"lindustrie-petroliere-et-la-pollution-par-lozone-en-hiver","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/lindustrie-petroliere-et-la-pollution-par-lozone-en-hiver\/","title":{"rendered":"L&#8217;industrie p\u00e9troli\u00e8re et la pollution par l&#8217;ozone en hiver<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_3145\" style=\"width: 298px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/drill_rig.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3145\" class=\"size-full wp-image-3145\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/drill_rig.png\" alt=\"Un puits de forage dans le bassin Uintah en Utah. (Photo Credit: Scott Sandberg, NOAA)\" width=\"288\" height=\"360\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/drill_rig.png 288w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/drill_rig-240x300.png 240w\" sizes=\"auto, (max-width: 288px) 100vw, 288px\" \/><\/a><p id=\"caption-attachment-3145\" class=\"wp-caption-text\">Un puits de forage dans le bassin Uintah en Utah. (Photo Credit: Scott Sandberg, NOAA)<\/p><\/div>\n<p>Une nouvelle \u00e9tude d\u00e9crit le m\u00e9canisme par lequel la pollution par l\u2019ozone au sol atteint son maximum pendant l\u2019hiver dans les r\u00e9gions de production du p\u00e9trole et de gaz naturel. La pollution hivernale par l\u2019ozone est difficile \u00e0 expliquer, car c\u2019est normalement la lumi\u00e8re du soleil estival qui d\u00e9clenche une s\u00e9rie de r\u00e9actions chimiques qui produisent de l\u2019ozone au sol.<\/p>\n<p>Les auteurs ont donc analys\u00e9 les r\u00e9actions chimiques qui surviennent dans l\u2019atmosph\u00e8re pendant l\u2019hiver dans le nord-est de l\u2019Utah o\u00f9 l\u2019industrie p\u00e9troli\u00e8re a connu une croissance important au cours des derni\u00e8res ann\u00e9es. Ils ont trouv\u00e9 que les concentrations de compos\u00e9s organiques volatils (COV) atteignaient des concentrations assez \u00e9lev\u00e9es pour d\u00e9clencher une s\u00e9rie de r\u00e9actions chimiques qui produisent de l\u2019ozone, sans avoir recours au soleil.<\/p>\n<p>L\u2019industrie p\u00e9troli\u00e8re est responsable de pratiquement tous les COV \u00e9mis dans l\u2019atmosph\u00e8re (97%) dans cette r\u00e9gion.<\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em>Nature\u00a0<\/em>le\u00a0<strong>1 octobre\u00a0<\/strong><strong>2014<\/strong>,\u00a0<a href=\"http:\/\/dx.doi.org\/10.1038\/nature13767\" target=\"_blank\"><span style=\"text-decoration: underline;\">cliquez ici<\/span><\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/p>\n<h4 dir=\"ltr\">Steven Brown, NOAA Earth System Research Laboratory, USA<\/h4>\n<h4 dir=\"ltr\"><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.ec.gc.ca\/scitech\/default.asp?lang=En&amp;n=F97AE834-1&amp;xsl=scitechprofile&amp;formid=494EFE41-4E1F-45F5-BEB8-3766D9FE533E\" target=\"_blank\">Shao-Meng Li<\/a><\/span>, Environment Canada, par l\u2019interm\u00e9diaire Environment Canada<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle \u00e9tude d\u00e9crit le m\u00e9canisme par lequel la pollution par l\u2019ozone au sol atteint son maximum pendant l\u2019hiver dans les r\u00e9gions de production du p\u00e9trole et de gaz naturel. La pollution hivernale par l\u2019ozone est difficile \u00e0 expliquer, car c\u2019est normalement la lumi\u00e8re du soleil estival qui d\u00e9clenche une s\u00e9rie de r\u00e9actions chimiques qui [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3145,"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":[388,660,683,1305],"class_list":["post-3146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-changements-climatiques","tag-energie","tag-environnement","tag-pollution-fr"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/10\/drill_rig.png","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-OK","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3146","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=3146"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3146\/revisions"}],"predecessor-version":[{"id":3147,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/3146\/revisions\/3147"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/3145"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=3146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=3146"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=3146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}