{"id":9686,"date":"2026-05-02T09:46:29","date_gmt":"2026-05-02T07:46:29","guid":{"rendered":"https:\/\/www.lidar-bathymetrique.fr\/?p=9686"},"modified":"2026-05-02T18:47:28","modified_gmt":"2026-05-02T16:47:28","slug":"bathymetrie-corse-prestataire","status":"publish","type":"post","link":"https:\/\/www.lidar-bathymetrique.fr\/en\/services\/bathymetrie-corse-prestataire\/","title":{"rendered":"Bathym\u00e9trie en Corse : qui contacter et comment se d\u00e9roule un relev\u00e9"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9686\" class=\"elementor elementor-9686\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67cbd41 e-flex e-con-boxed e-con e-parent\" data-id=\"67cbd41\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3396036 elementor-widget elementor-widget-text-editor\" data-id=\"3396036\" 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<figure id=\"attachment_1152\" aria-describedby=\"caption-attachment-1152\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-1152 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-1024x767.jpg\" alt=\"LiDAR bathym\u00e9trique h\u00e9licopt\u00e8re\" width=\"1024\" height=\"767\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-1024x767.jpg 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-300x225.jpg 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-768x575.jpg 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-16x12.jpg 16w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-1000x749.jpg 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-230x172.jpg 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-350x262.jpg 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise-480x360.jpg 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/09\/DJI_0143-Personnalise.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1152\" class=\"wp-caption-text\">LiDAR bathym\u00e9trique HELIX<\/figcaption><\/figure><p><em>\u00a0<\/em><em>Drone HELIX \u00e9quip\u00e9 du LiDAR bathym\u00e9trique YellowScan Navigator, en mission au-dessus du littoral d&rsquo;Ajaccio.<\/em><\/p><p>Vous cherchez \u00e0 faire r\u00e9aliser un <strong>relev\u00e9 bathym\u00e9trique en Corse<\/strong> ? Que ce soit pour un projet portuaire, un suivi d&rsquo;\u00e9rosion littorale, une \u00e9tude PPRi, l&rsquo;inventaire d&rsquo;un herbier de posidonie ou la cartographie d&rsquo;une rivi\u00e8re, vous \u00eates au bon endroit. HELIX, <strong>bas\u00e9e \u00e0 Ajaccio<\/strong>, est la <strong>premi\u00e8re soci\u00e9t\u00e9 fran\u00e7aise \u00e0 op\u00e9rer un LiDAR bathym\u00e9trique miniature par drone<\/strong> \u2014 et nous intervenons partout sur l&rsquo;\u00eele.<\/p><p>Cet article r\u00e9pond aux questions concr\u00e8tes que vous vous posez : quels types de lev\u00e9s bathym\u00e9triques sont possibles en Corse, comment se d\u00e9roule une mission, quels sont nos cas d&rsquo;usage typiques, et comment obtenir un devis.<\/p><p>\u00a0<\/p><p>\u00a0<\/p><h2>Pourquoi la Corse est un terrain de jeu id\u00e9al pour la bathym\u00e9trie LiDAR<\/h2><p>Le LiDAR bathym\u00e9trique repose sur un laser vert (532 nm) qui p\u00e9n\u00e8tre la colonne d&rsquo;eau pour mesurer le fond. Sa profondeur d&rsquo;investigation d\u00e9pend directement de la <strong>transparence de l&rsquo;eau<\/strong>, mesur\u00e9e par le disque de Secchi : on peut typiquement descendre \u00e0 <strong>deux fois la profondeur de Secchi<\/strong>.<\/p><p>Or la <strong>M\u00e9diterran\u00e9e corse offre certaines des meilleures conditions de transparence en France m\u00e9tropolitaine<\/strong>. En zones c\u00f4ti\u00e8res peu impact\u00e9es par les apports s\u00e9dimentaires, la profondeur de Secchi atteint r\u00e9guli\u00e8rement <strong>8 \u00e0 12 m\u00e8tres<\/strong>, ce qui permet d&rsquo;op\u00e9rer le LiDAR jusqu&rsquo;\u00e0 <strong>15 m\u00e8tres de fond<\/strong>, parfois plus.<\/p><p>Concr\u00e8tement, cela veut dire que sur la majorit\u00e9 des projets corses \u2014 plages, ports, embouchures, herbiers, r\u00e9cifs \u2014 le LiDAR bathym\u00e9trique a\u00e9roport\u00e9 <strong>remplace avantageusement un sondeur multifaisceaux<\/strong> : meilleure r\u00e9solution, d\u00e9ploiement plus rapide, acc\u00e8s aux zones inaccessibles aux navires (eaux peu profondes, rochers, t\u00e9trapodes, sous les pontons).<\/p><p>\u00a0<\/p><p>\u00a0<\/p><h2>Les types de relev\u00e9s bathym\u00e9triques que nous r\u00e9alisons en Corse<\/h2><div>\u00a0<\/div><div>\u00a0<\/div><h3>Bathym\u00e9trie c\u00f4ti\u00e8re<\/h3><p>Suivi de <strong>trait de c\u00f4te<\/strong>, cartographie de <strong>plages<\/strong>, \u00e9tude d&rsquo;<strong>\u00e9rosion littorale<\/strong>, <strong>inventaire d&rsquo;herbiers de posidonie<\/strong>, caract\u00e9risation de <strong>r\u00e9cifs corallig\u00e8nes<\/strong>. Nous avons par exemple cartographi\u00e9 la <strong>frange c\u00f4ti\u00e8re d&rsquo;Ajaccio<\/strong> avec une r\u00e9solution de 15 cm\/pixel, en obtenant une jonction parfaite entre topographie terrestre et bathym\u00e9trie.<\/p><figure id=\"attachment_1276\" aria-describedby=\"caption-attachment-1276\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-1276 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-1024x551.png\" alt=\"helix relev\u00e9 lidar bathym\u00e9trique\" width=\"1024\" height=\"551\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-1024x551.png 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-300x161.png 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-768x413.png 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-1536x826.png 1536w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-18x10.png 18w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-1000x538.png 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-230x124.png 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-350x188.png 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min-480x258.png 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/04\/2025-04-10-08_58_14-_Projet-sans-titre-\u2014-QGIS-min.png 1589w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1276\" class=\"wp-caption-text\">helix relev\u00e9 lidar bathym\u00e9trique<\/figcaption><\/figure><p><em>Mod\u00e8le num\u00e9rique de terrain topo-bathym\u00e9trique du littoral d&rsquo;Ajaccio, r\u00e9solution 15 cm\/pixel.<\/em><\/p><p><em>\u00a0<\/em><\/p><p><em>\u00a0<\/em><\/p><h3>Bathym\u00e9trie portuaire<\/h3><p>Relev\u00e9s de <strong>digues<\/strong>, <strong>enrochements<\/strong>, <strong>carapaces de t\u00e9trapodes<\/strong>, <strong>fonds de bassins portuaires<\/strong>, <strong>chenaux d&rsquo;acc\u00e8s<\/strong>. Le LiDAR est particuli\u00e8rement adapt\u00e9 aux ouvrages que les navires hydrographiques ne peuvent pas approcher. Nous avons notamment relev\u00e9 la <strong>digue sud du port Tino Rossi \u00e0 Ajaccio<\/strong>, avec une mod\u00e9lisation 3D compl\u00e8te des t\u00e9trapodes.<\/p><p>\u00a0<\/p><p>\u00a0<\/p><h3>Bathym\u00e9trie fluviale (rivi\u00e8res, fleuves c\u00f4tiers)<\/h3><p>Cartographie de <strong>lits mineurs<\/strong>, <strong>profils en travers<\/strong>, <strong>suivi morphologique post-crue<\/strong>, \u00e9tude <strong>hydraulique<\/strong> pour PPRi, inspection d&rsquo;<strong>ouvrages traversants<\/strong> (ponts, passages bus\u00e9s, seuils). Nous avons r\u00e9alis\u00e9 en 2025 un relev\u00e9 complet du <strong>bassin versant du Porto<\/strong> pour la <strong>DDT2A<\/strong> (Direction D\u00e9partementale des Territoires et de la Mer de Corse-du-Sud), dans le cadre de la r\u00e9vision du PPRi suite aux crues de novembre 2023.<\/p><figure id=\"attachment_1304\" aria-describedby=\"caption-attachment-1304\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-1304 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-1024x578.jpeg\" alt=\"PORTO PPRI LIDAR BATHY HELIX\" width=\"1024\" height=\"578\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-1024x578.jpeg 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-300x169.jpeg 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-768x434.jpeg 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-18x10.jpeg 18w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-1000x565.jpeg 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-230x130.jpeg 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-350x198.jpeg 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2-480x271.jpeg 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2025\/07\/1750086454651-2.jpeg 1192w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1304\" class=\"wp-caption-text\">PORTO PPRI LIDAR BATHY HELIX<\/figcaption><\/figure><p><em>Bassin versant du Porto, commune d&rsquo;Ota \u2014 relev\u00e9 HELIX pour la DDT2A.<\/em><\/p><p><em>\u00a0<\/em><\/p><p><em>\u00a0<\/em><\/p><h3>Bathym\u00e9trie en falaise littorale<\/h3><p>Cas particulier que peu de prestataires savent traiter : les <strong>falaises littorales<\/strong> o\u00f9 le pied de paroi est immerg\u00e9. Notre approche multi-capteurs (photogramm\u00e9trie + LiDAR topo + LiDAR bathy) permet une couverture continue, y compris dans les <strong>grottes<\/strong> et <strong>encoches d&rsquo;\u00e9rosion<\/strong>. Voir notre \u00e9tude de cas sur les <strong>falaises de Bonifacio<\/strong> pour le <strong>BRGM<\/strong>.<\/p><figure id=\"attachment_9689\" aria-describedby=\"caption-attachment-9689\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9689 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-1024x684.jpg\" alt=\"lidar bathymetrique drone helix\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-1024x684.jpg 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-300x200.jpg 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-768x513.jpg 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-1536x1026.jpg 1536w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-18x12.jpg 18w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-1000x668.jpg 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-230x154.jpg 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-350x234.jpg 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991-480x320.jpg 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DSC01991.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9689\" class=\"wp-caption-text\">lidar bathymetrique drone helix<\/figcaption><\/figure><p><em>Relev\u00e9 LiDAR SUTTA ROCCA , Bonifacio.<\/em><\/p><p><em>\u00a0<\/em><\/p><p><em>\u00a0<\/em><\/p><h2>Nos r\u00e9f\u00e9rences en Corse<\/h2><p>HELIX a r\u00e9alis\u00e9 des missions bathym\u00e9triques pour des donneurs d&rsquo;ordre publics et priv\u00e9s :<\/p><ul><li><strong>BRGM Corse<\/strong> \u2014 projet AMIS, falaises de Bonifacio (Sutta Rocca, Cap Trois Pointes)<\/li><li><strong>DDT2A<\/strong> \u2014 r\u00e9vision du PPRi du bassin versant du Porto, commune d&rsquo;Ota<\/li><li><strong>BRGM<\/strong> \u2014 lev\u00e9s littoraux par h\u00e9licopt\u00e8re, 200 ha en 2 heures<\/li><li><strong>Commune d&rsquo;Ajaccio<\/strong> \u2014 cartographie du bassin ajaccien<\/li><li><strong>ONF Corse<\/strong> \u2014 relev\u00e9s en environnement complexe (Restonica, Tavignano)<\/li><li><strong>Universit\u00e9 de Corte (UMR Arch\u00e9ologie )<\/strong> \u2014 relev\u00e9s LiDAR<\/li><li><strong>CNRS<\/strong> \u2014 relev\u00e9s LiDAR arch\u00e9ologiques en zone Corte<\/li><li>Bureaux d&rsquo;\u00e9tudes hydrauliques, gestionnaires de ports, syndicats de rivi\u00e8re, op\u00e9rateurs de r\u00e9seaux<\/li><\/ul><p>Notre p\u00e9rim\u00e8tre d&rsquo;intervention couvre <strong>l&rsquo;ensemble de la Corse<\/strong> : Ajaccio, Bastia, Bonifacio, Porto-Vecchio, Calvi, L&rsquo;\u00cele-Rousse, Propriano, Saint-Florent, Corte, et toutes les communes c\u00f4ti\u00e8res et fluviales de l&rsquo;\u00eele.<\/p><p>\u00a0<\/p><p>\u00a0<\/p><h2>Comment se d\u00e9roule une mission de bathym\u00e9trie en Corse avec HELIX<\/h2><div><br \/><br \/><\/div><div>\u00a0<\/div><h3>\u00c9tape 1 \u2014 \u00c9change initial et chiffrage (gratuit)<\/h3><p>Vous nous d\u00e9crivez votre besoin : zone \u00e0 relever, surface approximative, contraintes (autorisations, environnement prot\u00e9g\u00e9, acc\u00e8s), objectifs (\u00e9tude hydraulique, suivi morphologique, dossier r\u00e9glementaire). Nous revenons sous <strong>48 heures<\/strong> avec une proposition d\u00e9taill\u00e9e et un devis.<\/p><h3>\u00c9tape 2 \u2014 Pr\u00e9paration et autorisations<\/h3><p>Nous g\u00e9rons les <strong>demandes d&rsquo;autorisation de vol drone<\/strong> aupr\u00e8s de la DGAC (zones a\u00e9ronautiques, espaces sensibles), les d\u00e9clarations de zones prot\u00e9g\u00e9es (parc naturel marin, sites Natura 2000) et la coordination avec les autorit\u00e9s locales. Notre <strong>certification RS5713<\/strong> et notre ma\u00eetrise des r\u00e8glementations simplifient cette \u00e9tape.<\/p><h3>\u00c9tape 3 \u2014 Mission terrain<\/h3><p>Une \u00e9quipe de <strong>2 op\u00e9rateurs<\/strong> se d\u00e9ploie sur site.<\/p><p>Selon l&rsquo;envergure, nous mobilisons :<\/p><ul><li>Drone <strong>DJI M400<\/strong> + <strong>YellowScan Navigator<\/strong> (LiDAR bathym\u00e9trique)<\/li><li>Drone DJI Matrice 400 ou Mavic 3 RTK pour la <strong>photogramm\u00e9trie<\/strong> compl\u00e9mentaire<\/li><li><strong>Stations GNSS <\/strong>pour le canevas g\u00e9od\u00e9sique<\/li><li><strong>Station totale <\/strong>pour les points de contr\u00f4le de pr\u00e9cision<\/li><li><strong>Avion EuroFox<\/strong> ou <strong>h\u00e9licopt\u00e8re<\/strong> AS350 B3 pour les grandes surfaces (jusqu&rsquo;\u00e0 200 ha en 2 h)<\/li><\/ul><figure id=\"attachment_9690\" aria-describedby=\"caption-attachment-9690\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9690 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-1024x767.jpg\" alt=\"Bathymetrie LiDAR HELIX CORSE\" width=\"1024\" height=\"767\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-1024x767.jpg 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-300x225.jpg 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-768x575.jpg 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-16x12.jpg 16w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-1000x749.jpg 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-230x172.jpg 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-350x262.jpg 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier-480x360.jpg 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2026\/05\/DJI_0532-Modifier.jpg 1442w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9690\" class=\"wp-caption-text\">Bathymetrie LiDAR HELIX CORSE<\/figcaption><\/figure><p><em>Pour les grands lin\u00e9aires, l&rsquo;h\u00e9licopt\u00e8re permet de couvrir 200 ha en 2 heures de vol.<\/em><\/p><p>Une mission type sur un site moyen prend <strong>1 \u00e0 3 jours sur le terrain<\/strong>.<\/p><h3>\u00c9tape 4 \u2014 Post-traitement et livrables<\/h3><p>Comptez <strong>2 \u00e0 4 semaines de traitement<\/strong> selon la complexit\u00e9.<\/p><p>Nos livrables standards comprennent :<\/p><ul><li><strong>Nuage de points<\/strong> classifi\u00e9 et coloris\u00e9 (.las \/ .laz)<\/li><li><strong>Mod\u00e8le Num\u00e9rique de Terrain (MNT)<\/strong> topo-bathym\u00e9trique continu (.tif)<\/li><li><strong>Mod\u00e8le Num\u00e9rique de Surface (MNS)<\/strong><\/li><li><strong>Courbes de niveaux<\/strong> : isobathes (sous l&rsquo;eau) et isohypses (au-dessus), au pas demand\u00e9<\/li><li><strong>Profils en travers<\/strong> au format DWG<\/li><li><strong>Orthophotographie<\/strong> de la zone (option)<\/li><li><strong>Note technique<\/strong> documentant la m\u00e9thodologie, les rapports d&rsquo;erreur, le canevas g\u00e9od\u00e9sique<\/li><\/ul><p>Le tout est rattach\u00e9 au syst\u00e8me de coordonn\u00e9es l\u00e9gal fran\u00e7ais (RGF93 \/ Lambert ou CC42, NGF-IGN78 + G\u00e9oide RAC09).<\/p><p>\u00a0<\/p><h2>Quel budget pr\u00e9voir pour une bathym\u00e9trie en Corse ?<\/h2><div>\u00a0<\/div><p>Les co\u00fbts d\u00e9pendent de plusieurs facteurs : surface, accessibilit\u00e9, livrables attendus, niveau de pr\u00e9cision, nombre de passages (suivi diachronique).\u00a0<\/p><p>Indicativement, un relev\u00e9 LiDAR Bathym\u00e9trique reste moins cher qu&rsquo;un relev\u00e9 Sonar classique si la profondeur est inf\u00e9rieure \u00e0 7m.\u00a0<\/p><p>Pour un chiffrage pr\u00e9cis, <a href=\"https:\/\/www.lidar-bathymetrique.fr\/en\/contact\/\">contactez-nous<\/a> ou \u00e9crivez \u00e0 <strong><a href=\"mailto:info@helix.corsica\">info@helix.corsica<\/a><\/strong> : nous vous r\u00e9pondons sous 48 h ouvr\u00e9es avec un devis d\u00e9taill\u00e9.<\/p><p>\u00a0<\/p><p>\u00a0<\/p><p>\u00a0<\/p><h2>Pourquoi choisir un prestataire <strong>bas\u00e9 en Corse<\/strong> pour votre bathym\u00e9trie ?<\/h2><div>\u00a0<\/div><p>Choisir HELIX, c&rsquo;est :<\/p><ul><li><strong>Pas de frais de d\u00e9placement continentaux<\/strong> : \u00e9quipe et mat\u00e9riel sont \u00e0 Ajaccio, intervention rapide partout sur l&rsquo;\u00eele<\/li><li><strong>Connaissance du terrain corse<\/strong> : m\u00e9t\u00e9o, contraintes d&rsquo;acc\u00e8s, zones prot\u00e9g\u00e9es, partenaires locaux (h\u00e9liports, autorit\u00e9s, h\u00f4tels logistiques)<\/li><li><strong>R\u00e9activit\u00e9<\/strong> : possibilit\u00e9 d&rsquo;intervenir en urgence pour des relev\u00e9s post-\u00e9v\u00e9nement (crue, temp\u00eate, glissement de terrain)<\/li><li><strong>R\u00e9f\u00e9rencement local<\/strong> : nos missions BRGM, DDT2A, ONF Corse, Universit\u00e9 de Corte t\u00e9moignent de notre int\u00e9gration au tissu professionnel insulaire<\/li><li><strong>Polyvalence terrain<\/strong> : \u00e9quipe form\u00e9e \u00e0 la randonn\u00e9e, escalade, canyoning, navigation \u2014 pr\u00e9cieux pour les lev\u00e9s en milieux complexes (Bavella, Restonica, Cap Corse, calanques de Piana)<\/li><\/ul><div>\u00a0<\/div><div>\u00a0<\/div><figure id=\"attachment_1225\" aria-describedby=\"caption-attachment-1225\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1225 size-large\" src=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-1024x683.jpg\" alt=\"helix relev\u00e9 lidar bathym\u00e9trique\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-1024x683.jpg 1024w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-300x200.jpg 300w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-768x512.jpg 768w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-18x12.jpg 18w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-1000x667.jpg 1000w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-230x153.jpg 230w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-350x233.jpg 350w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen-480x320.jpg 480w, https:\/\/www.lidar-bathymetrique.fr\/wp-content\/uploads\/2024\/10\/X8A7621-Modifier-copie_caremove-Moyen.jpg 1152w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-1225\" class=\"wp-caption-text\">helix relev\u00e9 lidar bathym\u00e9trique<\/figcaption><\/figure><p><em>L&rsquo;\u00e9quipe HELIX, bas\u00e9e \u00e0 Ajaccio, et une partie de son mat\u00e9riel.<\/em><\/p><p><em>\u00a0<\/em><\/p><p><em>\u00a0<\/em><\/p><h2>Demander un devis bathym\u00e9trie en Corse<\/h2><div>\u00a0<\/div><div>\u00a0<\/div><p>La meilleure mani\u00e8re de d\u00e9marrer : <strong>un \u00e9change de 15 minutes en visio<\/strong> pour qu&rsquo;on comprenne votre besoin et qu&rsquo;on vous dise honn\u00eatement si la techno est adapt\u00e9e \u2014 et \u00e0 quel co\u00fbt.<\/p><p>Vous repartez avec une proposition concr\u00e8te, sans engagement.<\/p><p>\ud83d\udccd <strong>HELIX \u2014 26 cours Grandval, 20000 Ajaccio<\/strong> \ud83d\udcde <strong>+33 7 89 02 85 71<\/strong> \u2709\ufe0f <strong><a href=\"mailto:info@helix.corsica\">info@helix.corsica<\/a><\/strong> \ud83c\udf10 <a href=\"https:\/\/www.lidar-bathymetrique.fr\/en\/\">www.lidar-bathymetrique.fr<\/a> | <a href=\"https:\/\/www.helix.corsica\">www.helix.corsica<\/a><\/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\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00a0Drone HELIX \u00e9quip\u00e9 du LiDAR bathym\u00e9trique YellowScan Navigator, en mission au-dessus du littoral d&rsquo;Ajaccio. Vous cherchez \u00e0 faire r\u00e9aliser un relev\u00e9 bathym\u00e9trique [&hellip;]<\/p>","protected":false},"author":1,"featured_media":9689,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63],"tags":[12,58,56,64,66,65,61,14,60,59,57,62],"class_list":["post-9686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-services","tag-bathymetrie","tag-bathymetrie-ajaccio","tag-bathymetrie-corse","tag-corse","tag-devis","tag-drone","tag-drone-hydrographique-corse","tag-lidar","tag-lidar-bathymetrique-corse","tag-prestataire-bathymetrie-corse","tag-releve-bathymetrique-corse","tag-topo-bathymetrie-corse"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bathym\u00e9trie en Corse : prestataire LiDAR drone HELIX<\/title>\n<meta name=\"description\" content=\"Vous cherchez un prestataire de bathym\u00e9trie en Corse ? 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