{"id":18516,"date":"2021-09-07T10:06:55","date_gmt":"2021-09-07T17:06:55","guid":{"rendered":"https:\/\/www.bgcengineering.ca\/portfolio\/observation-de-la-terre-detection-des-changements-morphologiques-des-cours-deau\/"},"modified":"2024-08-27T17:14:57","modified_gmt":"2024-08-28T00:14:57","slug":"observation-de-la-terre-detection-des-changements-morphologiques-des-cours-deau","status":"publish","type":"portfolio","link":"https:\/\/www.bgcengineering.ca\/fr\/portfolio\/observation-de-la-terre-detection-des-changements-morphologiques-des-cours-deau\/","title":{"rendered":"Observation de la Terre : D\u00e9tection des changements morphologiques des cours d&#8217;eau"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18516\" class=\"elementor elementor-18516 elementor-5817\" 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data-elementor-post-type=\"portfolio\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5772b7f4 elementor-section-full_width elementor-section-height-min-height elementor-section-content-middle elementor-section-height-default elementor-section-items-middle\" data-id=\"5772b7f4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-72ed46a2\" data-id=\"72ed46a2\" 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<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-535a263c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"535a263c\" 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-inner-column elementor-element elementor-element-392bcaf9\" data-id=\"392bcaf9\" 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-16807d8d elementor-widget elementor-widget-vc_custom_heading\" data-id=\"16807d8d\" 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  consulting_heading_font  text_align_center title_no_stripe\" ><h2 style=\"font-size: 25px;text-align: center\" class=\"consulting-custom-title\">PROFIL DU PROJET\n<\/h2><\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-bad33e2 e-flex e-con-boxed e-con e-parent\" data-id=\"bad33e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-19246df e-con-full e-flex e-con e-child\" data-id=\"19246df\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca258ba elementor-widget elementor-widget-text-editor\" data-id=\"ca258ba\" 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>CLIENT : Divers clients<\/p>\n<p>LOCATION : Canada<\/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-e6fa08a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e6fa08a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\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-77cd12b elementor-widget elementor-widget-text-editor\" data-id=\"77cd12b\" 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>Les infrastructures traversant des rivi\u00e8res ou des cours d&#8217;eau sont soumises \u00e0 divers risques hydrotechniques. Les inondations extr\u00eames sont associ\u00e9es \u00e0 l&#8217;\u00e9rosion des berges, \u00e0 la d\u00e9gradation du lit de la rivi\u00e8re ou \u00e0 la formation de nouveaux chenaux (avulsion). Pour les pipelines enterr\u00e9s, les inondations peuvent r\u00e9duire la profondeur de la couverture (DoC), ce qui peut entra\u00eener l&#8217;exposition et la rupture du pipeline sous l&#8217;effet de l&#8217;eau ou de la charge de d\u00e9bris. Par cons\u00e9quent, la surveillance proactive des changements dans les caract\u00e9ristiques morphologiques des rivi\u00e8res au fil du temps permet d&#8217;identifier les risques pos\u00e9s par les processus fluviaux et la dynamique des chenaux actifs.<\/p>\n<p>Les changements morphologiques des cours d&#8217;eau au fil du temps, ou en r\u00e9ponse \u00e0 des inondations, sont g\u00e9n\u00e9ralement observ\u00e9s lors d&#8217;inspections au sol ou d&#8217;enqu\u00eates par h\u00e9licopt\u00e8re. Le calendrier de ces enqu\u00eates est souvent le r\u00e9sultat d&#8217;une planification effectu\u00e9e des mois ou des ann\u00e9es \u00e0 l&#8217;avance, ou en r\u00e9ponse \u00e0 des \u00e9v\u00e9nements connus de d\u00e9bit \u00e9lev\u00e9. Pour faciliter la surveillance entre les enqu\u00eates programm\u00e9es et pour informer de la n\u00e9cessit\u00e9 de visites de sites d\u00e9clench\u00e9es par des \u00e9v\u00e9nements, le programme de surveillance des inondations de BGC permet aux utilisateurs de d\u00e9terminer si un \u00e9v\u00e9nement d&#8217;\u00e9coulement important s&#8217;est probablement produit aux points de franchissement des rivi\u00e8res d&#8217;int\u00e9r\u00eat \u00e0 l&#8217;aide de donn\u00e9es hydrom\u00e9triques. Cependant, tous les cours d&#8217;eau ne disposent pas de stations hydrom\u00e9triques appropri\u00e9es permettant de d\u00e9duire des informations en temps r\u00e9el sur le cours d&#8217;eau.<\/p>\n<p>La prolif\u00e9ration des instruments de t\u00e9l\u00e9d\u00e9tection par satellite, qui capturent des donn\u00e9es \u00e0 haute r\u00e9solution avec une capacit\u00e9 de revisite fr\u00e9quente, implique que la surveillance op\u00e9rationnelle des variables de l&#8217;\u00e9tat des cours d&#8217;eau est possible. Les observations par satellite facilitent l&#8217;acquisition de donn\u00e9es rentables sur de vastes zones, ce qui permet d&#8217;examiner l&#8217;ensemble des variations spatiales et temporelles des syst\u00e8mes fluviaux d&#8217;une mani\u00e8re quantitative. En exploitant ces ensembles de donn\u00e9es, BGC peut identifier les changements hydro-morphologiques d&#8217;une mani\u00e8re quantitative pour soutenir la prise de d\u00e9cision \u00e9clair\u00e9e par les risques dans les zones o\u00f9 les donn\u00e9es hydrom\u00e9triques en temps r\u00e9el ne sont pas disponibles.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c355f7 e-con-full e-flex e-con e-child\" data-id=\"2c355f7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8edba9 elementor-widget elementor-widget-image\" data-id=\"d8edba9\" 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\t\t\t<img decoding=\"async\" data-src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-300x267.jpg\" 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src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-300x267.jpg\" class=\"attachment-medium size-medium wp-image-18519\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-300x267.jpg 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-500x444.jpg 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-48x43.jpg 48w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-128x114.jpg 128w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-256x228.jpg 256w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1-512x455.jpg 512w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture1.jpg 539w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/noscript>\t\t\t\t\t\t\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-8516223 elementor-widget elementor-widget-image\" data-id=\"8516223\" 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\t\t\t<img decoding=\"async\" data-src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-300x276.png\" data-srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-300x276.png 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-500x460.png 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-48x44.png 48w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-128x118.png 128w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-256x236.png 256w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-512x471.png 512w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2.png 518w\" width=\"300\" height=\"276\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" class=\"attachment-medium size-medium wp-image-18521 lazyload\" alt=\"\"  sizes=\"(max-width: 300px) 100vw, 300px\" \/><noscript><img decoding=\"async\" width=\"300\" height=\"276\" src=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-300x276.png\" class=\"attachment-medium size-medium wp-image-18521\" alt=\"\" srcset=\"https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-300x276.png 300w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-500x460.png 500w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-48x44.png 48w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-128x118.png 128w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-256x236.png 256w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2-512x471.png 512w, https:\/\/www.bgcengineering.ca\/wp-content\/uploads\/2021\/09\/Picture2.png 518w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c562b68 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c562b68\" 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-d583f8c\" data-id=\"d583f8c\" 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-958d116 elementor-align-center elementor-widget elementor-widget-global elementor-global-9118 elementor-widget-button\" data-id=\"958d116\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper icon_align_row  \">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.bgcengineering.ca\/projets\/?lang=fr\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-left\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Retour aux projets<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&#8217;application des sciences g\u00e9ologiques \u00e0 la pratique de l&#8217;ing\u00e9nierie est fondamentale pour BGC. Nous sommes experts dans la caract\u00e9risation et l&#8217;int\u00e9gration des facteurs g\u00e9ologiques qui affectent l&#8217;emplacement, la conception, la construction, l&#8217;exploitation et la maintenance des ouvrages d&#8217;art.<\/p>\n","protected":false},"author":9,"featured_media":18519,"menu_order":0,"comment_status":"closed","ping_status":"closed","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":""},"portfolio_category":[563,565],"portfolio_tag":[],"class_list":["post-18516","portfolio","type-portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-projets","portfolio_category-teledetection"],"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>Observation de la Terre : D\u00e9tection des changements morphologiques des cours d&#039;eau - 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\/portfolio\/earth-observation-watercourse-morphological-change-detection\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Observation de la Terre : D\u00e9tection des changements morphologiques des cours d&#039;eau\" \/>\n<meta property=\"og:description\" content=\"L&#039;application des sciences g\u00e9ologiques \u00e0 la pratique de l&#039;ing\u00e9nierie est fondamentale pour BGC. 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