{"id":19337,"date":"2024-09-05T12:13:50","date_gmt":"2024-09-05T10:13:50","guid":{"rendered":"https:\/\/www.yellowscan.com\/knowledge\/leve-des-ports-a-laide-dun-systeme-bathymetrique-lidar\/"},"modified":"2025-05-14T10:13:52","modified_gmt":"2025-05-14T08:13:52","slug":"harbor-surveying-with-a-bathymetric-lidar-system","status":"publish","type":"ys_knowledge","link":"https:\/\/www.yellowscan.com\/fr\/knowledge\/harbor-surveying-with-a-bathymetric-lidar-system\/","title":{"rendered":"Lev\u00e9 bathym\u00e9trique LiDAR : pr\u00e9cision en Scandinavie – YellowScan"},"content":{"rendered":"\t\t
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D\u00e9fi<\/h2>\n

Le d\u00e9fi de Scandinavian Drone \u00e9tait de d\u00e9montrer les performances du YellowScan Navigator dans les eaux sombres et troubles typiques de la Scandinavie.\nPour r\u00e9pondre \u00e0 ces pr\u00e9occupations, Scandinavian Drone devait montrer que le Navigator pouvait capturer avec pr\u00e9cision les caract\u00e9ristiques sous-marines et les d\u00e9p\u00f4ts de s\u00e9diments, m\u00eame dans des conditions difficiles. <\/p>\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

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Le YellowScan Navigator mont\u00e9 sur l’Hexadrone Tundra<\/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

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Utilisation du disque de Secchi pour \u00e9valuer la clart\u00e9 de l’eau<\/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

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Solution<\/h2>\n

Apr\u00e8s le lancement du Navigator, ils ont rapidement organis\u00e9 un \u00e9v\u00e9nement de d\u00e9monstration en Su\u00e8de, choisissant un port avec une embouchure de rivi\u00e8re comme principal site d’essai.
\nCette zone, qui fait l’objet d’un dragage annuel en raison de l’accumulation de s\u00e9diments, \u00e9tait l’endroit id\u00e9al pour pr\u00e9senter les capacit\u00e9s du Navigator.
\nEn outre, ils ont balay\u00e9 plusieurs autres zones portuaires pr\u00e9sentant des conditions hydrographiques vari\u00e9es afin de recueillir divers ensembles de donn\u00e9es. <\/p>\n

L’un des aspects cl\u00e9s de la d\u00e9monstration consistait \u00e0 \u00e9valuer les conditions de l’eau, car elles sont cruciales pour obtenir des r\u00e9sultats pr\u00e9cis.
\nEn hiver, la clart\u00e9 de l’eau \u00e9tait relativement bonne, m\u00eame s’il y avait des d\u00e9fis \u00e0 relever, comme les embouchures de rivi\u00e8res charg\u00e9es de s\u00e9diments. <\/p>\n

Les objectifs \u00e9taient les suivants<\/p>\n

    \n
  • Pr\u00e9sentez le flux de travail complet du syst\u00e8me LiDAR YellowScan Navigator.<\/li>\n
  • \u00c9valuer les capacit\u00e9s r\u00e9alistes du syst\u00e8me dans des conditions sp\u00e9cifiques.<\/li>\n
  • Comparez les avantages et les inconv\u00e9nients de l’utilisation du Navigator par rapport aux \u00e9chosondeurs et aux syst\u00e8mes multifaisceaux.<\/li>\n
  • \u00c9valuer l’efficacit\u00e9 et la qualit\u00e9 de la collecte et du post-traitement des donn\u00e9es.<\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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    Nuage de points coloris\u00e9 du port<\/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

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    Param\u00e8tres de la mission<\/h2>\n
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    • Altitude de vol :<\/strong> 60 m\u00e8tres<\/li>\n
    • Vitesse de vol :<\/strong> 5 m\u00e8tres par seconde<\/li>\n
    • Dur\u00e9e du vol :<\/strong> 18 minutes (11 minutes de collecte de donn\u00e9es)<\/li>\n
    • Couverture :<\/strong> Environ 60 000 m\u00e8tres carr\u00e9s par vol<\/li>\n<\/ul>\n

      Les d\u00e9monstrations comprenaient des vols au-dessus de deux ports et d’autres sites d’essai.
      \nL’\u00e9quipe a mis l’accent sur un chevauchement de 50 % pour une collecte optimale des donn\u00e9es. <\/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

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      Nuage de points d’une jet\u00e9e en Su\u00e8de<\/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

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      Mat\u00e9riel utilis\u00e9 :<\/h3>\n
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      • YellowScan Navigator :<\/strong> Pour la collecte de donn\u00e9es bathym\u00e9triques.<\/li>\n
      • Hexadrone Tundra 2 :<\/strong> une plateforme de drone flexible avec une capacit\u00e9 de charge allant jusqu’\u00e0 5 kg, id\u00e9ale pour transporter le Navigator.<\/li>\n
      • Logiciel UGCS :<\/strong> Pour une planification et une ex\u00e9cution pr\u00e9cises des missions.<\/li>\n
      • Logiciel YellowScan CloudStation :<\/strong> Pour l’extraction et la visualisation de nuages de points<\/li>\n
      • Emlid Reach RS2 :<\/strong> utilis\u00e9 comme station de base pour un g\u00e9or\u00e9f\u00e9rencement pr\u00e9cis.<\/strong> <\/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\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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        Nuage de points du port montrant la mesure de la profondeur de l’eau d’environ 7 m\u00e8tres<\/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

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        R\u00e9sultats<\/h2>\n

        Densit\u00e9 du nuage de points :<\/strong> Estim\u00e9e \u00e0 15-20 points par m\u00e8tre carr\u00e9<\/p>\n

        Le syst\u00e8me Navigator a d\u00e9pass\u00e9 les attentes en recueillant efficacement des donn\u00e9es bathym\u00e9triques sur de vastes zones.
        \nLors d’un de leurs vols, ils ont obtenu une mesure de profondeur d’environ 7 m\u00e8tres<\/strong>, ce qui est impressionnant compte tenu des conditions.
        \nIls ont observ\u00e9 une repr\u00e9sentation claire du fond marin, avec des barres de sable visibles et d’autres caract\u00e9ristiques.
        \nCes donn\u00e9es pourraient s’av\u00e9rer pr\u00e9cieuses pour suivre les changements au fil du temps et comprendre la topographie sous-marine. <\/p>\n

        Les nuages de points d\u00e9taill\u00e9s ont r\u00e9v\u00e9l\u00e9 des informations compl\u00e8tes sur les caract\u00e9ristiques sous-marines, les d\u00e9p\u00f4ts de s\u00e9diments et les zones n\u00e9cessitant un dragage, ce qui prouve la qualit\u00e9 sup\u00e9rieure des donn\u00e9es et les capacit\u00e9s de visualisation du syst\u00e8me par rapport aux m\u00e9thodes traditionnelles.<\/p>\n

        Les d\u00e9monstrations ont permis de d\u00e9montrer l’efficacit\u00e9 et la s\u00e9curit\u00e9 op\u00e9rationnelle du Navigator, ainsi que sa capacit\u00e9 \u00e0 effectuer des relev\u00e9s sous-marins d\u00e9taill\u00e9s et pr\u00e9cis dans diverses conditions hydrographiques.<\/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

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        Le Navigator repr\u00e9sente un changement de paradigme dans la technologie LiDAR bathym\u00e9trique.
        \nIl rend les lev\u00e9s hydrographiques avanc\u00e9s accessibles et efficaces, ouvrant de nouvelles possibilit\u00e9s \u00e0 nos clients. <\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        Martin Andersson<\/span><\/strong><\/p>\n

        PDG<\/strong> – Scandinavian Drone<\/em>
        <\/span><\/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\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":19312,"menu_order":88,"template":"","meta":{"_acf_changed":false,"content-type":""},"categories":[88],"class_list":["post-19337","ys_knowledge","type-ys_knowledge","status-publish","has-post-thumbnail","hentry","category-success-story"],"acf":[],"yoast_head":"\nLev\u00e9 bathym\u00e9trique LiDAR : pr\u00e9cision en Scandinavie - YellowScan<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment notre LiDAR topo-bathym\u00e9trique s'est comport\u00e9 dans les eaux troubles de la Scandinavie gr\u00e2ce \u00e0 une collecte de donn\u00e9es bathym\u00e9triques efficace et pr\u00e9cise.\" \/>\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.yellowscan.com\/fr\/knowledge\/harbor-surveying-with-a-bathymetric-lidar-system\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lev\u00e9 bathym\u00e9trique LiDAR : pr\u00e9cision en Scandinavie - 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