{"id":21692,"date":"2022-06-22T13:38:44","date_gmt":"2022-06-22T20:38:44","guid":{"rendered":"https:\/\/www.bgcengineering.ca\/un-moment-cle-linondation-du-15-novembre-2021-dans-la-riviere-coldwater\/"},"modified":"2024-08-03T21:57:23","modified_gmt":"2024-08-04T04:57:23","slug":"un-moment-cle-linondation-du-15-novembre-2021-dans-la-riviere-coldwater","status":"publish","type":"post","link":"https:\/\/www.bgcengineering.ca\/fr\/un-moment-cle-linondation-du-15-novembre-2021-dans-la-riviere-coldwater\/","title":{"rendered":"Un moment cl\u00e9 : l&#8217;inondation du 15 novembre 2021 dans la rivi\u00e8re Coldwater"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21692\" class=\"elementor elementor-21692 elementor-9687\" data-elementor-settings=\"{&quot;element_pack_global_tooltip_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;element_pack_global_tooltip_padding&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_padding_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;element_pack_global_tooltip_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true}}\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-12217df4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12217df4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2a6dd80c\" data-id=\"2a6dd80c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d750822 elementor-widget elementor-widget-vc_custom_heading\" data-id=\"d750822\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"vc_custom_heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\" vc_custom_heading no_stripe consulting_heading_font  text_align_left title_no_stripe\" ><h1 style=\"text-align: left;font-weight:500\" class=\"consulting-custom-title\">Un moment cl\u00e9 : l&#8217;inondation du 15 novembre 2021 dans la rivi\u00e8re Coldwater<\/h1><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d8c125 elementor-widget elementor-widget-post-info\" data-id=\"9d8c125\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-f3279ad elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.bgcengineering.ca\/fr\/2022\/06\/22\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>juin 22, 2022<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-3358898 elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-clock\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-time\">\n\t\t\t\t\t\t\t\t\t\t<time>1:38 pm<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66da4d54 elementor-widget elementor-widget-text-editor\" data-id=\"66da4d54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Une rivi\u00e8re atmosph\u00e9rique (AR) a apport\u00e9 deux jours de pluies intenses dans le sud-ouest de la Colombie-Britannique (BC) le 14 novembre 2021. Ces pr\u00e9cipitations ont entra\u00een\u00e9 des d\u00e9bits extr\u00eames le jour suivant, le 15 novembre, ainsi que des inondations importantes et des modifications de la forme des cours d&#8217;eau dans les bassins versants de nombreuses rivi\u00e8res du bassin inf\u00e9rieur du fleuve Fraser, y compris la rivi\u00e8re Coldwater \u00e0 Merritt. De nombreuses infrastructures, notamment des routes et des ponts, ont \u00e9t\u00e9 d\u00e9truites ou rendues inutilisables. Cette destruction a conduit \u00e0 l&#8217;isolement presque complet de la r\u00e9gion du Lower Mainland par rapport aux routes et aux chemins de fer.<\/p>\n<p>Les AR sont de longues bandes transporteuses d&#8217;air chaud et humide qui entra\u00eenent g\u00e9n\u00e9ralement des pr\u00e9cipitations intenses \u00e0 la fin de l&#8217;automne et au d\u00e9but de l&#8217;hiver. Les inondations li\u00e9es \u00e0 l&#8217;EI sont g\u00e9n\u00e9ralement plus importantes que les inondations non li\u00e9es \u00e0 l&#8217;EI dans les bassins versants c\u00f4tiers de la Colombie-Britannique. Lors de l&#8217;EI du 14 novembre 2021, le d\u00e9bit g\u00e9n\u00e9r\u00e9 par les pr\u00e9cipitations a \u00e9t\u00e9 augment\u00e9 par la fonte des neiges, associ\u00e9e \u00e0 une augmentation rapide de la temp\u00e9rature.<\/p>\n<p>Suite \u00e0 l&#8217;inondation du 15 novembre 2021, il est apparu urgent d&#8217;estimer le d\u00e9bit de pointe de la rivi\u00e8re Coldwater afin d&#8217;\u00e9clairer les efforts de reconstruction et d&#8217;att\u00e9nuation \u00e0 long terme. Dans le cadre des programmes en cours et de la reconstruction apr\u00e8s l&#8217;inondation du 15 novembre 2021, BGC a \u00e9t\u00e9 retenu par plusieurs parties int\u00e9ress\u00e9es pour r\u00e9aliser des \u00e9valuations hydrotechniques des dangers et des risques ainsi qu&#8217;une cartographie des risques d&#8217;inondation dans les bassins versants de la rivi\u00e8re Coldwater et de la rivi\u00e8re Nicola.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5de051 elementor-widget elementor-widget-image\" data-id=\"c5de051\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" data-src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1024x508.gif\" data-srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1024x508.gif 1024w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-300x149.gif 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-768x381.gif 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-18x9.gif 18w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-500x248.gif 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-800x397.gif 800w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1280x635.gif 1280w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1110x550.gif 1110w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-899x446.gif 899w\" width=\"1024\" height=\"508\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" class=\"attachment-large size-large wp-image-19098 lazyload\" alt=\"\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><noscript><img decoding=\"async\" width=\"1024\" height=\"508\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1024x508.gif\" class=\"attachment-large size-large wp-image-19098\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1024x508.gif 1024w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-300x149.gif 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-768x381.gif 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-18x9.gif 18w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-500x248.gif 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-800x397.gif 800w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1280x635.gif 1280w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-1110x550.gif 1110w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/nasa-worldview-2021-NOV-12-to-2021-NOV-16-1-2-899x446.gif 899w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">S\u00e9rie temporelle d'images satellites de la Nasa sur la p\u00e9riode du 12 au 16 novembre 2021 avec Merritt, BC \u00e9tiquet\u00e9e avec l'\u00e9pingle rouge. Le bassin versant de la rivi\u00e8re Coldwater consid\u00e9r\u00e9 dans cette \u00e9tude est situ\u00e9 en amont de Merritt.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa3f22a elementor-widget elementor-widget-text-editor\" data-id=\"aa3f22a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nous avons d\u00e9velopp\u00e9 une relation fr\u00e9quence-magnitude des inondations pour la rivi\u00e8re Coldwater \u00e0 Merritt en combinant des mod\u00e8les statistiques pour les d\u00e9bits de pointe li\u00e9s \u00e0 l&#8217;AR et \u00e0 la fonte des neiges. La meilleure estimation actuelle de BGC de l&#8217;\u00e9v\u00e9nement de crue de 200 ans (probabilit\u00e9 de d\u00e9passement annuel de 0,5 % [AEP]) est de 445<sup>m3\/s<\/sup>(intervalle de confiance de 90 % : 240<sup>m3\/s<\/sup> \u00e0 980<sup>m3\/s<\/sup>), calcul\u00e9e \u00e0 partir des d\u00e9bits de pointe enregistr\u00e9s entre 1965 et 2021 \u00e0 la station hydrom\u00e9trique de la rivi\u00e8re Coldwater \u00e0 Brookmere (08LG048). Pour tenir compte du changement climatique, les distributions des d\u00e9bits de pointe (li\u00e9s aux pr\u00e9cipitations et \u00e0 la fonte des neiges) dans la rivi\u00e8re Coldwater ont \u00e9t\u00e9 mises \u00e0 l&#8217;\u00e9chelle pour tenir compte des tendances des d\u00e9bits de pointe li\u00e9s aux pr\u00e9cipitations (li\u00e9es ou non aux pr\u00e9cipitations) et \u00e0 la fonte des neiges, telles que projet\u00e9es par le Pacific Climate Impacts Consortium (PCIC). La crue bicentennale (0,5 % AEP) corrig\u00e9e du climat a \u00e9t\u00e9 estim\u00e9e \u00e0 730<sup>m3\/s<\/sup>(400<sup>m3\/s<\/sup> \u00e0 1600<sup>m3\/s<\/sup> pour l&#8217;intervalle de confiance de 90 %) dans l&#8217;hypoth\u00e8se d&#8217;un horizon temporel de 75 ans \u00e0 partir du pr\u00e9sent. Cette estimation correspond \u00e0 une augmentation de 64 % par rapport au cas stationnaire (445<sup>m3\/s)<\/sup>.<\/p>\n<p>Ces r\u00e9sultats montrent que les effets du changement climatique sont profonds et qu&#8217;ils influenceront la conception des structures de protection contre les inondations, les niveaux de construction en cas d&#8217;inondation (FCL) et la conception des infrastructures le long des cours d&#8217;eau ou les traversant.<\/p>\n<p><a href=\"https:\/\/can01.safelinks.protection.outlook.com\/?url=https%3A%2F%2Fwww.fraserbasin.bc.ca%2F_Library%2FTR_Flood%2Ftr_frequency-magnitude-coldwater_draft_may_2022_web.pdf&amp;data=05%7C01%7CMHairabedian%40bgcengineering.ca%7C6f989614bbdc423380d008da3c5a01bf%7C13b20fb177514ce4ab355178f6ec731b%7C0%7C0%7C637888654538804962%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=W1Jdiv5%2Fl7HuScx%2FMV8lBcpLTZI8%2Bno%2FbqJ62yxJrHQ%3D&amp;reserved=0\" target=\"_blank\" rel=\"noreferrer noopener\">Cliquez ici pour consulter une copie du projet de rapport pour ce travail.<\/a><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5bc4fca elementor-widget elementor-widget-author-box\" data-id=\"5bc4fca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" class=\"lazyload\" data-src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Mel-H-photo-1280x853-1-e1657226445705-300x300.jpg\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Image de Melissa Hairabedian, M.Sc., P.Geo. (BC, ON)\" loading=\"lazy\"><noscript><img decoding=\"async\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Mel-H-photo-1280x853-1-e1657226445705-300x300.jpg\" alt=\"Image de Melissa Hairabedian, M.Sc., P.Geo. (BC, ON)\" loading=\"lazy\"><\/noscript>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h2 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tMelissa Hairabedian, M.Sc., P.Geo. (BC, ON)\t\t\t\t\t\t<\/h2>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t<p>L'hydrologue Melissa est une hydrologue senior sp\u00e9cialis\u00e9e dans l'identification, l'\u00e9valuation et la gestion des risques hydrotechniques. Sa formation universitaire interdisciplinaire et son exp\u00e9rience professionnelle en mati\u00e8re de conseil renforcent ses comp\u00e9tences techniques, notamment en mati\u00e8re d'hydrologie statistique, de mod\u00e9lisation hydrologique et d'\u00e9valuation du changement climatique. Melissa poss\u00e8de une exp\u00e9rience dans un large \u00e9ventail de contextes climatiques et g\u00e9ographiques qui \u00e9taye son jugement professionnel pratique.  <\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e396047 elementor-widget elementor-widget-stm_post_about_author\" data-id=\"e396047\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"stm_post_about_author.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"about_author_wr  consulting_elementor_post_about_author\">\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-666b3764 elementor-widget elementor-widget-stm_post_about_author\" data-id=\"666b3764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"stm_post_about_author.default\">\n\t\t\t\t<div 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rivi\u00e8re atmosph\u00e9rique (AR) a apport\u00e9 deux jours de pluies intenses dans le sud-ouest de la Colombie-Britannique (BC) le 14 novembre 2021. Ces pr\u00e9cipitations ont entra\u00een\u00e9 des d\u00e9bits extr\u00eames le jour suivant, le 15 novembre, ainsi que des inondations importantes et des modifications de la forme des cours d&#8217;eau dans les bassins versants de nombreuses<\/p>\n","protected":false},"author":9,"featured_media":19099,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","ghostkit_customizer_options":"","ghostkit_custom_css":"","ghostkit_custom_js_head":"","ghostkit_custom_js_foot":"","ghostkit_typography":"","_vp_format_video_url":"","_vp_image_focal_point":[],"_vp_custom_popup_image":0,"_vp_format_audio_url":"","_vp_album_images":[],"_vp_custom_thumbnail":0,"_vp_custom_thumbnail_focal_point":[],"_vp_custom_thumbnail_cover":0,"_vp_hover_thumbnail":0,"_vp_hover_thumbnail_focal_point":[],"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[553,554,557],"tags":[],"class_list":["post-21692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expertise-fr","category-perspectives","category-sciences-de-la-terre-appliquees"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Un moment cl\u00e9 : l&#039;inondation du 15 novembre 2021 dans la rivi\u00e8re Coldwater - BGC Engineering<\/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.bgcengineering.ca\/a-watershed-moment-the-november-15-2021-flood-in-the-coldwater-river\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un moment cl\u00e9 : l&#039;inondation du 15 novembre 2021 dans la rivi\u00e8re Coldwater\" \/>\n<meta property=\"og:description\" content=\"Une rivi\u00e8re atmosph\u00e9rique (AR) a apport\u00e9 deux jours de pluies intenses dans le sud-ouest de la Colombie-Britannique (BC) le 14 novembre 2021. 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