{"id":21638,"date":"2021-12-21T14:28:07","date_gmt":"2021-12-21T22:28:07","guid":{"rendered":"https:\/\/www.bgcengineering.ca\/utilisation-des-donnees-lidar-pour-eclairer-les-decisions-en-matiere-de-gestion-des-risques\/"},"modified":"2024-08-03T21:57:12","modified_gmt":"2024-08-04T04:57:12","slug":"utilisation-des-donnees-lidar-pour-eclairer-les-decisions-en-matiere-de-gestion-des-risques","status":"publish","type":"post","link":"https:\/\/www.bgcengineering.ca\/fr\/utilisation-des-donnees-lidar-pour-eclairer-les-decisions-en-matiere-de-gestion-des-risques\/","title":{"rendered":"Utilisation des donn\u00e9es lidar pour \u00e9clairer les d\u00e9cisions en mati\u00e8re de gestion des risques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"21638\" class=\"elementor elementor-21638 elementor-9613\" 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\">Utilisation des donn\u00e9es lidar pour \u00e9clairer les d\u00e9cisions en mati\u00e8re de gestion des risques<\/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\/2021\/12\/21\/\">\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>d\u00e9cembre 21, 2021<\/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>2:28 pm<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-45a19de 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-tags\"><\/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-custom\">\n\t\t\t\t\t\t\t\t\t\tMark Vessely\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>En ao\u00fbt 2020, l&#8217;incendie de Grizzly Creek s&#8217;est d\u00e9clar\u00e9 dans le canyon accident\u00e9 de Glenwood, au centre du Colorado. Le canyon de Glenwood est consid\u00e9r\u00e9 comme l&#8217;un des corridors les plus pittoresques du r\u00e9seau routier inter-\u00c9tats des \u00c9tats-Unis. Il constitue un axe essentiel pour le trafic routier et ferroviaire dans l&#8217;\u00c9tat et offre des possibilit\u00e9s de loisirs pour la randonn\u00e9e, le v\u00e9lo, la chasse et le rafting. Sur une p\u00e9riode d&#8217;environ quatre mois, l&#8217;incendie a alt\u00e9r\u00e9 les terres foresti\u00e8res le long des parois abruptes des canyons et des bassins versants forestiers en amont de l&#8217;Interstate 70 (I-70) et du fleuve Colorado.<\/p>\n<div class=\"wp-container-2 wp-block-columns\">\n<div class=\"wp-container-1 wp-block-column ghostkit-custom-Z1OzxXj\">\n<p>L&#8217;hiver suivant a permis au canyon de se r\u00e9tablir, mais cela n&#8217;a \u00e9t\u00e9 que temporaire, car les mois d&#8217;\u00e9t\u00e9 dans cette r\u00e9gion du Colorado g\u00e9n\u00e8rent des orages intenses avec des eaux de ruissellement qui peuvent submerger les drainages sains. Malheureusement, apr\u00e8s un incendie de for\u00eat, le ruissellement sur les sols br\u00fbl\u00e9s et d\u00e9nud\u00e9s peut \u00eatre beaucoup plus destructeur. La saison de la mousson de l&#8217;\u00e9t\u00e9 2021 n&#8217;a pas fait exception, avec plusieurs temp\u00eates g\u00e9n\u00e9rant des coul\u00e9es de d\u00e9bris charg\u00e9es de s\u00e9diments apr\u00e8s les incendies de for\u00eat, qui ont recouvert et endommag\u00e9 l&#8217;I-70 et la voie ferr\u00e9e Amtrak voisine, d\u00e9pos\u00e9 des s\u00e9diments dans le fleuve Colorado et bloqu\u00e9 les voyageurs dans le canyon \u00e0 certains moments. Ces \u00e9v\u00e9nements ont entra\u00een\u00e9 des semaines de fermeture de l&#8217;autoroute sur ce corridor critique pendant la saison estivale, ce qui a eu des r\u00e9percussions \u00e9conomiques n\u00e9gatives sur les communaut\u00e9s voisines et des perturbations mesurables sur le commerce inter\u00e9tatique.<\/p>\n<\/div>\n<\/div>\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-f79a066 elementor-widget elementor-widget-image\" data-id=\"f79a066\" 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\/Wildfire-Fig-1-1.webp\" data-srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1.webp 850w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-300x221.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-768x566.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-16x12.webp 16w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-500x368.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-800x589.webp 800w\" width=\"850\" height=\"626\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" class=\"attachment-large size-large wp-image-19061 lazyload\" alt=\"\"  sizes=\"(max-width: 850px) 100vw, 850px\" \/><noscript><img decoding=\"async\" width=\"850\" height=\"626\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1.webp\" class=\"attachment-large size-large wp-image-19061\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1.webp 850w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-300x221.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-768x566.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-16x12.webp 16w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-500x368.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-1-1-800x589.webp 800w\" sizes=\"(max-width: 850px) 100vw, 850px\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Coul\u00e9e de d\u00e9bris post-incendie bloquant le fleuve Colorado.<\/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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-d6012a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d6012a4\" data-element_type=\"section\" data-e-type=\"section\">\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-33 elementor-inner-column elementor-element elementor-element-d04a22e\" data-id=\"d04a22e\" data-element_type=\"column\" data-e-type=\"column\">\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-28834ed elementor-widget elementor-widget-text-editor\" data-id=\"28834ed\" 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>Afin de r\u00e9duire les risques de perturbations futures, le d\u00e9partement des transports du Colorado (CDOT) a fait appel \u00e0 BGC pour comprendre l&#8217;\u00e9volution des conditions du sol \u00e0 la suite de l&#8217;incendie et des coul\u00e9es de d\u00e9bris de 2021 apr\u00e8s l&#8217;incendie. Gr\u00e2ce \u00e0 ces connaissances suppl\u00e9mentaires, le CDOT peut hi\u00e9rarchiser les projets d&#8217;att\u00e9nuation en fonction des besoins les plus importants et du rapport co\u00fbt-b\u00e9n\u00e9fice, tout en faisant progresser les mod\u00e8les pr\u00e9dictifs qui prennent en compte la relation entre les conditions de br\u00fblage, la pente, les changements de terrain et les seuils de pr\u00e9cipitations qui peuvent conduire \u00e0 des coul\u00e9es de d\u00e9bris perturbatrices.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-d6f411a\" data-id=\"d6f411a\" data-element_type=\"column\" data-e-type=\"column\">\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-767d7cd elementor-widget elementor-widget-image\" data-id=\"767d7cd\" 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\/Wildfire-Fig-2.webp\" data-srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2.webp 848w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-300x223.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-768x571.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-16x12.webp 16w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-500x372.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-800x595.webp 800w\" width=\"848\" height=\"631\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" class=\"attachment-large size-large wp-image-19062 lazyload\" alt=\"\"  sizes=\"(max-width: 848px) 100vw, 848px\" \/><noscript><img decoding=\"async\" width=\"848\" height=\"631\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2.webp\" class=\"attachment-large size-large wp-image-19062\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2.webp 848w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-300x223.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-768x571.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-16x12.webp 16w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-500x372.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-2-800x595.webp 800w\" sizes=\"(max-width: 848px) 100vw, 848px\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">D\u00e9p\u00f4t de la coul\u00e9e de d\u00e9bris sur l'approche du pont de l'I-70.<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3a93ae elementor-widget elementor-widget-text-editor\" data-id=\"f3a93ae\" 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>Pour mesurer l&#8217;\u00e9volution continue du sol sur l&#8217;ensemble de la zone br\u00fbl\u00e9e, BGC a pass\u00e9 un contrat avec une soci\u00e9t\u00e9 de topographie a\u00e9rienne pour collecter et traiter des donn\u00e9es lidar a\u00e9roport\u00e9es sur plus de 260 kilom\u00e8tres carr\u00e9s de la zone du Glenwood Canyon et du Grizzly Creek Fire. Ces nouvelles donn\u00e9es lidar ont \u00e9t\u00e9 compar\u00e9es aux donn\u00e9es lidar publiques existantes collect\u00e9es en 2016. Ces deux ensembles de donn\u00e9es lidar ont \u00e9t\u00e9 introduits dans <a href=\"https:\/\/bgcengineering.ca\/cambio-landing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cambio<\/a>, la plate-forme logicielle de BGC, afin d&#8217;obtenir une couche interactive de d\u00e9tection des changements lidar sur l&#8217;ensemble de la zone br\u00fbl\u00e9e. Ce traitement des changements entre deux ensembles de donn\u00e9es lidar diff\u00e9rents utilise un algorithme de d\u00e9tection des changements en instance de brevet pour calculer les changements positifs et n\u00e9gatifs sur l&#8217;ensemble de cette zone. Gr\u00e2ce \u00e0 Cambio, ce type de traitement de d\u00e9tection des changements peut \u00eatre r\u00e9alis\u00e9 en 24 heures.<\/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-96e1e03 elementor-widget elementor-widget-image\" data-id=\"96e1e03\" 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\/Wildfire-Fig3-1024x553-1.webp\" data-srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1.webp 1024w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-300x162.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-768x415.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-18x10.webp 18w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-500x270.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-800x432.webp 800w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-900x486.webp 900w\" width=\"1024\" height=\"553\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" class=\"attachment-large size-large wp-image-19063 lazyload\" alt=\"\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><noscript><img decoding=\"async\" width=\"1024\" height=\"553\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1.webp\" class=\"attachment-large size-large wp-image-19063\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1.webp 1024w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-300x162.webp 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-768x415.webp 768w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-18x10.webp 18w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-500x270.webp 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-800x432.webp 800w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig3-1024x553-1-900x486.webp 900w\" 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\">Capture d'\u00e9cran de Cambio montrant les mouvements du sol suite aux temp\u00eates dans la zone de br\u00fblage de Grizzly.<\/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-50bba87 elementor-widget elementor-widget-text-editor\" data-id=\"50bba87\" 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>BGC continue de travailler avec CDOT et d&#8217;autres agences partenaires, telles que le United States Geological Survey, pour comprendre comment les pentes du Canyon ont chang\u00e9 apr\u00e8s l&#8217;incendie et la saison des coul\u00e9es de d\u00e9bris de 2021, et pour planifier les efforts d&#8217;att\u00e9nuation qui peuvent \u00eatre mis en \u0153uvre au cours de l&#8217;\u00e9t\u00e9 2022 et au-del\u00e0. Une meilleure compr\u00e9hension des coul\u00e9es de d\u00e9bris qui se sont produites apr\u00e8s l&#8217;incendie dans le Glenwood Canyon peut \u00e9galement aider le CDOT et d&#8217;autres parties prenantes \u00e0 comprendre leur exposition au risque d&#8217;impact des coul\u00e9es de d\u00e9bris provenant de futures cicatrices de br\u00fblures.<\/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-54a4723 elementor-widget elementor-widget-testimonial\" data-id=\"54a4723\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"testimonial.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-testimonial-wrapper\">\n\t\t\t\t\t\t\t<div class=\"elementor-testimonial-content\"><p>\"Le paradigme des g\u00e9orisques est tellement diff\u00e9rent de ce \u00e0 quoi beaucoup d'autres membres du CDOT sont habitu\u00e9s. Il est souvent difficile de faire comprendre la gravit\u00e9 d'un \u00e9v\u00e9nement \u00e0 des personnes ext\u00e9rieures \u00e0 l'intervention, mais Cambio est un excellent outil pour y parvenir, en plus des autres utilit\u00e9s qu'il fournit.<\/p>\n<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-testimonial-meta\">\n\t\t\t\t<div class=\"elementor-testimonial-meta-inner\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-details\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-name\">BEAU TAYLOR<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-job\">D\u00e9partement des transports du Colorado<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\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-28bdbc1 elementor-widget elementor-widget-image\" data-id=\"28bdbc1\" 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\" class=\"lazyload\" data-src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-4.webp\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" title=\"Wildfire-Fig-4\" alt=\"Wildfire-Fig-4\" loading=\"lazy\" \/><noscript><img decoding=\"async\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2022\/07\/Wildfire-Fig-4.webp\" title=\"Wildfire-Fig-4\" alt=\"Wildfire-Fig-4\" loading=\"lazy\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Capture d'\u00e9cran Cambio en gros plan montrant la mesure de la perte et du d\u00e9p\u00f4t de s\u00e9diments dans le bassin Blue Gulch du Glenwood Canyon.<\/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-67f7214 elementor-widget elementor-widget-author-box\" data-id=\"67f7214\" 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\/2021\/05\/mark.png\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"Image de Mark Vessely, M.Sc., PE.\" loading=\"lazy\"><noscript><img decoding=\"async\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/05\/mark.png\" alt=\"Image de Mark Vessely, M.Sc., PE.\" 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<h1 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tMark Vessely, M.Sc., PE.\t\t\t\t\t\t<\/h1>\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>Mark Vessely, ing\u00e9nieur g\u00e9otechnicien principal, a plus de 25 ans d'exp\u00e9rience dans l'\u00e9valuation des dangers et des risques g\u00e9ologiques, les interventions d'urgence en cas de mouvements de pente et autres mouvements de terrain, et la conception de fondations de ponts, de murs de sout\u00e8nement, de chauss\u00e9es et de projets de stabilisation des pentes.<\/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 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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-2ca32f14 elementor-hidden-tablet elementor-hidden-phone\" data-id=\"2ca32f14\" data-element_type=\"column\" data-e-type=\"column\">\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-58c5073e elementor-widget elementor-widget-stm_sidebar\" data-id=\"58c5073e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"stm_sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n<div class=\"stm_sidebar consulting_elementor_sidebar\">\n\n            \t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8552\" class=\"elementor elementor-8552\" 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=\"stm_vc_sidebar\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25811e3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25811e3\" data-element_type=\"section\" data-e-type=\"section\">\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-4dfe255\" data-id=\"4dfe255\" data-element_type=\"column\" data-e-type=\"column\">\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-aeb8091 elementor-widget elementor-widget-wp-widget-categories\" data-id=\"aeb8091\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wp-widget-categories.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<aside class='widget widget_categories'><h5 class=\"widget_title\">Cat\u00e9gories<\/h5>\n\t\t\t<ul>\n\t\t\t\t\t<li class=\"cat-item cat-item-590\"><a href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/exploitation-miniere\/\">Exploitation mini\u00e8re<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-589\"><a href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/transport\/\">Transport<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-562\"><a href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/bgc-au-carre\/\">BGC au carr\u00e9<\/a>\n<ul class='children'>\n\t<li class=\"cat-item cat-item-560\"><a href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/bgc-au-carre\/collecte-de-fonds-a-linitiative-des-employes\/\">Collecte de fonds \u00e0 l&#039;initiative des employ\u00e9s<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-557\"><a href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/bgc-au-carre\/sciences-de-la-terre-appliquees\/\">Sciences de la terre appliqu\u00e9es<\/a>\n<\/li>\n\t<li 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href=\"https:\/\/www.bgcengineering.ca\/fr\/category\/expertise-fr\/\">Expertise<\/a>\n<\/li>\n\t\t\t<\/ul>\n\n\t\t\t<\/aside>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebb2ade elementor-widget elementor-widget-wp-widget-archives\" data-id=\"ebb2ade\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wp-widget-archives.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<aside class='widget widget_archive'><h5 class=\"widget_title\">Archive<\/h5>\n\t\t\t<ul>\n\t\t\t\t\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2024\/02\/'>f\u00e9vrier 2024<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2023\/11\/'>novembre 2023<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2023\/10\/'>octobre 2023<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2023\/09\/'>septembre 2023<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2023\/07\/'>juillet 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2022<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2022\/01\/'>janvier 2022<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2021\/12\/'>d\u00e9cembre 2021<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2021\/11\/'>novembre 2021<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2021\/08\/'>ao\u00fbt 2021<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2021\/07\/'>juillet 2021<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2021\/03\/'>mars 2021<\/a><\/li>\n\t<li><a href='https:\/\/www.bgcengineering.ca\/fr\/2018\/09\/'>septembre 2018<\/a><\/li>\n\t\t\t<\/ul>\n\n\t\t\t<\/aside>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t    \n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>En ao\u00fbt 2020, l&#8217;incendie de Grizzly Creek s&#8217;est d\u00e9clar\u00e9 dans le canyon accident\u00e9 de Glenwood, au centre du Colorado. Le canyon de Glenwood est consid\u00e9r\u00e9 comme l&#8217;un des corridors les plus pittoresques du r\u00e9seau routier inter-\u00c9tats des \u00c9tats-Unis. Il constitue un axe essentiel pour le trafic routier et ferroviaire dans l&#8217;\u00c9tat et offre des possibilit\u00e9s<\/p>\n","protected":false},"author":9,"featured_media":19061,"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":[553,554,556,589],"tags":[],"class_list":["post-21638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-expertise-fr","category-perspectives","category-cambio-fr","category-transport"],"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>Utilisation des donn\u00e9es lidar pour \u00e9clairer les d\u00e9cisions en mati\u00e8re de gestion des risques - 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\/using-lidar-data-to-inform-risk-management-decisions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Utilisation des donn\u00e9es lidar pour \u00e9clairer les d\u00e9cisions en mati\u00e8re de gestion des risques\" \/>\n<meta property=\"og:description\" content=\"En ao\u00fbt 2020, l&#8217;incendie de Grizzly Creek s&#8217;est d\u00e9clar\u00e9 dans le canyon accident\u00e9 de Glenwood, au centre du Colorado. 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