{"id":9396,"date":"2023-05-10T13:05:45","date_gmt":"2023-05-10T11:05:45","guid":{"rendered":"https:\/\/www.yellowscan.com\/?post_type=ys_knowledge&#038;p=9396"},"modified":"2025-05-05T16:40:10","modified_gmt":"2025-05-05T14:40:10","slug":"aerial-mapping-and-climate-change-lidar-survey-for-ecological-restoration","status":"publish","type":"ys_knowledge","link":"https:\/\/www.yellowscan.com\/fr\/knowledge\/aerial-mapping-and-climate-change-lidar-survey-for-ecological-restoration\/","title":{"rendered":"Cartographie a\u00e9rienne et changement climatique : Etude LiDAR pour la restauration \u00e9cologique"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9396\" class=\"elementor elementor-9396 elementor-9362\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-eabb977 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eabb977\" 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-0c5fa84\" data-id=\"0c5fa84\" 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-69a5b82 elementor-widget elementor-widget-text-editor\" data-id=\"69a5b82\" 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<h3>D\u00e9fi :<\/h3>\n<p>L&rsquo;Avion Jaune, soci\u00e9t\u00e9 sp\u00e9cialis\u00e9e dans la production de donn\u00e9es d&rsquo;observation de la terre (imagerie multispectrale et LiDAR), est bien connue des acteurs cl\u00e9s de la g\u00e9omatique et de la gestion de l&rsquo;environnement en France.<\/p>\n<p>Ils ont particip\u00e9 \u00e0 une \u00e9tude visant \u00e0 mod\u00e9liser le r\u00e9seau hydrographique et le fonctionnement hydraulique d&rsquo;une zone humide, au sein d&rsquo;une r\u00e9serve naturelle de Nouvelle-Aquitaine, en France. La mod\u00e9lisation hydraulique facilitera l&rsquo;identification des possibilit\u00e9s de d\u00e9veloppement pour la restauration ou l&rsquo;am\u00e9lioration fonctionnelle. L&rsquo;objectif est d&rsquo;am\u00e9liorer la r\u00e9sistance des zones humides aux effets du changement climatique.<\/p>\n<h3>Solution :<\/h3>\n<p>L&rsquo;Avion Jaune a organis\u00e9 des acquisitions de donn\u00e9es LiDAR pour \u00e9tablir la micro-topographie du lieu afin de d\u00e9tecter le r\u00e9seau hydrographique dans un environnement tr\u00e8s complexe, comprenant des foss\u00e9s de drainage et un r\u00e9seau d&rsquo;\u00e9tangs.<\/p>\n<p>Dans cette r\u00e9serve naturelle, le r\u00e9seau hydrographique \u00e9tait cach\u00e9 sous le couvert forestier ou la v\u00e9g\u00e9tation herbac\u00e9e dense caract\u00e9ristique des zones humides. Typiquement, les donn\u00e9es nationales disponibles (RGE Alti, LiDAR HD) ne permettent pas toujours de l&rsquo;identifier. Ils ont donc eu besoin d&rsquo;un lev\u00e9 LiDAR sp\u00e9cifique et plus pr\u00e9cis, avec de nombreux \u00e9chos et une plus grande densit\u00e9 de points pour acqu\u00e9rir un MNT de la meilleure qualit\u00e9 possible.<\/p>\n<p>Pour ce projet, l&rsquo;Avion Jaune a utilis\u00e9 le <a href=\"https:\/\/www.yellowscan.com\/fr\/products\/voyager\/\">YellowScan Voyager<\/a> pour cartographier environ 1000 hectares (2500 acres) de for\u00eat dense et de zones humides, et pour produire un mod\u00e8le num\u00e9rique de terrain (MNT). Les drones ayant certaines limites, notamment en termes de r\u00e9glementation, ils souhaitaient disposer d&rsquo;une solution LiDAR \u00e0 embarquer \u00e0 bord de leur avion l\u00e9ger. Ils ont choisi le Voyager pour ce projet en raison de sa forte densit\u00e9 de points, de sa longue port\u00e9e et de sa vitesse d&rsquo;acquisition. Ses 15 \u00e9chos de retour \u00e9taient id\u00e9aux pour cette \u00e9tude car ils ont permis d&rsquo;optimiser la vision sous la v\u00e9g\u00e9tation et la restitution du r\u00e9seau hydrographique.<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-21f1d281 el-section-img-x1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21f1d281\" 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-6b5144e7\" data-id=\"6b5144e7\" 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-48263a0b elementor-widget elementor-widget-image\" data-id=\"48263a0b\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"731\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/11-1024x731.jpg\" class=\"attachment-large size-large wp-image-9374\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/11-1024x731.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/11-300x214.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/11-768x548.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/11.jpg 1055w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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-3db252cf el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"3db252cf\" 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 style=\"text-align: center;\">Plan de vol bas\u00e9 sur des virages et des interceptions en ligne de vol<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ec464bd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec464bd\" 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-50 elementor-top-column elementor-element elementor-element-b604433\" data-id=\"b604433\" 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-f9ff4f2 elementor-widget elementor-widget-text-editor\" data-id=\"f9ff4f2\" 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<h3>Param\u00e8tres :<\/h3>\n<ul>\n<li><strong>Taille de l&rsquo;enqu\u00eate<\/strong>: 1000 ha (2500 acres)<\/li>\n<li><strong>Dur\u00e9e de la<\/strong> mission : 1,5 heure de vol pour l&rsquo;acquisition, 3 jours de traitement (POSPac, SA, DTM, contr\u00f4le qualit\u00e9)<\/li>\n<li><strong>Nombre de vols<\/strong>: 2 vols\n<ul>\n<li>Vol 1 : 11 axes Est\/Ouest<\/li>\n<li>Vol 2 : 7 axes Est\/Ouest + 2 axes Nord\/Sud<\/li>\n<\/ul>\n<\/li>\n<li><strong>Vitesse de vol et altitude<\/strong>: 30 m\/s \u00e0 200 m (650 ft) AGL<\/li>\n<li><strong>Equipement<\/strong>: Voyage en avion l\u00e9ger (PIC Savannah S)<\/li>\n<li><strong>Logiciel<\/strong>: YellowScan CloudStation avec les modules d&rsquo;ajustement des bandes et de terrain<\/li>\n<li><strong>Syst\u00e8me LiDAR :<\/strong> YellowScan Voyager<\/li>\n<\/ul>\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-50 elementor-top-column elementor-element elementor-element-412ee37\" data-id=\"412ee37\" 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-b3fe967 elementor-widget elementor-widget-image\" data-id=\"b3fe967\" 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\" width=\"1024\" height=\"650\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2-1024x650.jpg\" class=\"attachment-large size-large wp-image-9378\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2-1024x650.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2-300x190.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2-768x487.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2-1536x974.jpg 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/2.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Le YellowScan Voyager a \u00e9t\u00e9 mont\u00e9 \u00e0 bord de l'ICP Savannah S<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-79d519a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"79d519a\" 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-50 elementor-top-column elementor-element elementor-element-dba9661\" data-id=\"dba9661\" 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-204a55e elementor-widget elementor-widget-text-editor\" data-id=\"204a55e\" 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<h3>R\u00e9sultats :<\/h3>\n<ul>\n<li><strong>Pr\u00e9cision<\/strong>: 100 pts\/m\u00b2 avec 20 pts\/m\u00b2 en classe de sol<\/li>\n<li><strong>Densit\u00e9 des points<\/strong>: Moyenne dz = 1 cm, moyenne quadratique = 5 cm (GCP sur terrain naturel).<\/li>\n<\/ul>\n<p>Les livrables \u00e9taient destin\u00e9s \u00e0 une \u00e9tude environnementale : DSM, DTM &amp; DEM \u00e0 une r\u00e9solution de 50 cm.<br \/>Avec cette solution LiDAR mont\u00e9e \u00e0 bord de leur avion l\u00e9ger, ils ont collect\u00e9 100 pts\/m\u00b2 en moins de 2 heures.<\/p>\n<p>Les r\u00e9sultats ont permis de mieux comprendre le fonctionnement hydraulique d&rsquo;un environnement naturel complexe combinant une for\u00eat dense et une zone humide avec son r\u00e9seau de milliers d&rsquo;\u00e9tangs. Selon L&rsquo;Avion Jaune, le YellowScan Voyager a ouvert de nouveaux horizons pour cartographier plus rapidement de vastes zones.<\/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-50 elementor-top-column elementor-element elementor-element-c22a2f0\" data-id=\"c22a2f0\" 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-537a628 elementor-widget elementor-widget-image\" data-id=\"537a628\" 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\" width=\"1024\" height=\"772\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/3-1024x772.png\" class=\"attachment-large size-large wp-image-9382\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/3-1024x772.png 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/3-300x226.png 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/3-768x579.png 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2023\/05\/3.png 1172w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Nuage de points obtenu avec le YellowScan Voyager<\/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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6e367b8c elm-testimonial elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e367b8c\" 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-bdb7557\" data-id=\"bdb7557\" 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-910910f elm-testimonial__text elementor-widget elementor-widget-text-editor\" data-id=\"910910f\" 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>La facilit\u00e9 d&rsquo;int\u00e9gration sur nos avions l\u00e9gers, la simplicit\u00e9 d&rsquo;utilisation et les qualit\u00e9s du Voyager (15 \u00e9chos, haute densit\u00e9 de points et hauteur d&rsquo;op\u00e9ration confortable) nous permettent d&rsquo;offrir des lev\u00e9s sur des zones larges et complexes (for\u00eat dense en particulier) avec une qualit\u00e9 de MNT \u00e9tonnante.<\/p>\n\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-5bea5ba6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5bea5ba6\" 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-50 elementor-inner-column elementor-element elementor-element-2132476e\" data-id=\"2132476e\" 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-20cc1acd elm-testimonial__img elementor-widget elementor-widget-image\" data-id=\"20cc1acd\" 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 loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"250\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2022\/11\/benjamin_pradel.jpg\" class=\"attachment-large size-large wp-image-3525\" alt=\"\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2022\/11\/benjamin_pradel.jpg 250w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2022\/11\/benjamin_pradel-150x150.jpg 150w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>\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\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4c170f32\" data-id=\"4c170f32\" 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-4d148d45 elementor-widget elementor-widget-text-editor\" data-id=\"4d148d45\" 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<strong><span class=\"elm-testimonials__name\">Benjamin Pradel<\/span><\/strong>\n\n<span class=\"elm-testimonials__role\"><em><strong>Pilote et chef de projet pour les lev\u00e9s a\u00e9riens<\/strong> &#8211; L&rsquo;Avion Jaune<\/em>\n<\/span>\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\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},"featured_media":9364,"menu_order":186,"template":"","meta":{"_acf_changed":false,"content-type":""},"categories":[88],"class_list":["post-9396","ys_knowledge","type-ys_knowledge","status-publish","has-post-thumbnail","hentry","category-success-story"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cartographie a\u00e9rienne et changement climatique : Etude LiDAR pour la restauration \u00e9cologique<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez pourquoi l&#039;Avion Jaune a utilis\u00e9 le YellowScan Voyager pour cartographier environ 1000 hectares de for\u00eat dense et de zones humides.\" \/>\n<meta name=\"robots\" content=\"index, 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