{"id":11757,"date":"2021-06-15T12:12:05","date_gmt":"2021-06-15T10:12:05","guid":{"rendered":"https:\/\/www.subsea-tech.com\/?page_id=11757"},"modified":"2026-07-22T17:35:02","modified_gmt":"2026-07-22T15:35:02","slug":"etudes-environnementales","status":"publish","type":"page","link":"https:\/\/www.subsea-tech.com\/fr\/etudes-environnementales\/","title":{"rendered":"\u00c9tudes environnementales"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; background_image=&#8221;https:\/\/www.subsea-tech.com\/wp-content\/uploads\/2017\/06\/8149552042_cf8275d7bb_b_1.jpg&#8221; custom_padding=&#8221;240px||40px|&#8221; transparent_background=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; text_font_size=&#8221;18px&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]Services &gt; Prestations<\/p>\n<h1><strong>\u00c9tudes environnementales<br \/>\n<\/strong><\/h1>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#f7f7f7&#8243; custom_padding=&#8221;27px|0px|27px|0px&#8221; transparent_background=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_3,2_3&#8243; make_equal=&#8221;on&#8221; admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; custom_css_main_element=&#8221;display: flex; ||flex-direction: column; ||justify-content: center;&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<i class=\"fa fa-check-square\" aria-hidden=\"true\"><\/i> Monitoring de faune\/flore<\/p>\n<p><i class=\"fa fa-check-square\" aria-hidden=\"true\"><\/i> Inspection d&#8217;\u00e9paves<\/p>\n<p><i class=\"fa fa-check-square\" aria-hidden=\"true\"><\/i> Mesures physico-chimiques<br \/>\n[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; custom_css_main_element=&#8221;display: flex; ||flex-direction: column; ||justify-content: center;&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_gallery gallery_ids=&#8221;771,777,11818,13767&#8243; posts_number=&#8221;8&#8243; show_title_and_caption=&#8221;off&#8221; show_pagination=&#8221;off&#8221; admin_label=&#8221;Gallery&#8221; _builder_version=&#8221;4.16&#8243; custom_css_gallery_item=&#8221;margin:0px 10px !important;||width: 22% !important;||clear: none !important;||&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_width=&#8221;1px&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;26px|0px|27px|0px&#8221; transparent_background=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>Suivi environnemental de r\u00e9cifs naturels et artificiels par photogramm\u00e9trie subaquatique<\/h2>\n<pre>Wageningen Marine Research - Stellendam \/ Scheveningen, Pays-Bas - 2025<\/pre>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Wageningen Marine Research a sollicit\u00e9 Subsea Tech pour une expertise de l&#8217;\u00e9tat de r\u00e9cifs naturels et artificiels, dans le cadre d&#8217;un suivi environnemental. L&#8217;objectif \u00e9tait de documenter, par relev\u00e9 photogramm\u00e9trique, la pr\u00e9sence et la sant\u00e9 des esp\u00e8ces sur deux sites distincts en conditions de turbidit\u00e9 et de courant variables.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Subsea Tech a d\u00e9ploy\u00e9 le ROV <strong>TORTUGA XP4-HYDRO<\/strong> (profondeur d&#8217;op\u00e9ration jusqu&#8217;\u00e0 <strong>300 m<\/strong>), \u00e9quip\u00e9 du syst\u00e8me de photogramm\u00e9trie <strong>HYDRO300<\/strong> d&#8217;IVM Technologies : deux cam\u00e9ras haute r\u00e9solution synchronis\u00e9es, associ\u00e9es \u00e0 un \u00e9clairage LED de <strong>100 000 lumens<\/strong>, pour une reconstruction 3D \u00e0 pr\u00e9cision submillim\u00e9trique. Le sonar <strong>Oculus M750d<\/strong> (port\u00e9e <strong>120 m<\/strong> en 750 kHz, r\u00e9solution <strong>2,5 mm<\/strong> en 1,2 MHz) a facilit\u00e9 le rep\u00e9rage en visibilit\u00e9 r\u00e9duite. Un essai de sonar lat\u00e9ral <strong>StarFish 990F<\/strong> a compl\u00e9t\u00e9 le dispositif.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">L&#8217;intervention a permis de produire des mod\u00e8les 3D exploitables sur les deux sites et de confirmer la capacit\u00e9 du dispositif \u00e0 op\u00e9rer en conditions de turbidit\u00e9 \u00e9lev\u00e9e, tout en validant l&#8217;int\u00e9r\u00eat du sonar lat\u00e9ral pour diff\u00e9rencier les types de substrat.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2>R\u00e9cup\u00e9ration d&#8217;un glider immobilis\u00e9 \u00e0 200 m de profondeur<\/h2>\n<pre>ALSEAMAR - \u00cele du Levant, France - 2024<\/pre>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">ALSEAMAR a fait appel \u00e0 Subsea Tech pour r\u00e9cup\u00e9rer un glider oc\u00e9anographique coinc\u00e9 \u00e0 <strong>200 m<\/strong> de profondeur au large de l&#8217;\u00cele du Levant. L&#8217;op\u00e9ration pr\u00e9sentait deux contraintes majeures : une profondeur importante n\u00e9cessitant un ombilical et une puissance \u00e9lectrique adapt\u00e9s, et une visibilit\u00e9 nulle sur site (noir total), rendant impossible tout rep\u00e9rage visuel direct de l&#8217;engin \u00e0 r\u00e9cup\u00e9rer.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Subsea Tech a mobilis\u00e9 le ROV <strong>Mini TORTUGA<\/strong>, \u00e9quip\u00e9 d&#8217;un <strong>DVL<\/strong> pour la navigation en l&#8217;absence de rep\u00e8res visuels, reli\u00e9 par un ombilical de <strong>400 m<\/strong> \u00e0 sa baie de contr\u00f4le et aliment\u00e9 par un groupe \u00e9lectrog\u00e8ne de <strong>4 kW<\/strong>. Le ROV \u00e9tait dot\u00e9 d&#8217;un <strong>manipulateur<\/strong> monofonction pour la pr\u00e9hension du glider, ainsi que d&#8217;un sonar <strong>Oculus M750d <\/strong>(Blueprint Subsea) permettant de localiser la cible en conditions de visibilit\u00e9 nulle. Le positionnement et le suivi de l&#8217;intervention ont \u00e9t\u00e9 assur\u00e9s par une balise et un syst\u00e8me d&#8217;acoustique sous-marine <strong>USBL SeaTrac<\/strong>.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\">Cette combinaison de moyens acoustiques de navigation et de pr\u00e9hension t\u00e9l\u00e9op\u00e9r\u00e9e a permis de localiser puis de r\u00e9cup\u00e9rer le glider malgr\u00e9 l&#8217;absence de visibilit\u00e9 sur site.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Inspection du fond marin au large de Saint-Pierre<\/h2>\n<pre><em>SUEZ - Saint-Pierre (Martinique), France - 2020<\/em><\/pre>\n<p>L&#8217;agence Antilles et Guyane de SUEZ (Safege) a confi\u00e9 \u00e0 Subsea Tech la r\u00e9alisation d&#8217;une inspection visuelle par ROV du fond marin par transects dans une zone d\u00e9finie dans la baie de Saint-Pierre. L&#8217;objectif de cette \u00e9tude consistait \u00e0 identifier les diff\u00e9rents types de fonds marins et d&#8217;habitats afin de d\u00e9terminer des zones d&#8217;immersion pour des corps morts dans le cadre de la cr\u00e9ation de mouillages. Les inspections ont eu lieu dans la partie sud de la baie de Saint-Pierre et ont \u00e9t\u00e9 men\u00e9es depuis une embarcation l\u00e9g\u00e8re, op\u00e9ration r\u00e9alisable notamment gr\u00e2ce \u00e0 la compacit\u00e9 et \u00e0 la l\u00e9g\u00e8ret\u00e9 du mini-ROV Guardian utilis\u00e9 pour l&#8217;occasion. Le mini-ROV \u00e9tait \u00e9quip\u00e9 d&#8217;un syst\u00e8me de positionnement acoustique <a href=\"https:\/\/www.subsea-tech.com\/blueprint-subsea\/?lang=fr\">USBL SeaTrac<\/a> (Blueprint Subsea) permettant de suivre son trajet sur un PC.<\/p>\n<p>L&#8217;excellente visibilit\u00e9 et le faible courant sur la zone ont facilit\u00e9 les op\u00e9rations et on permis d&#8217;effectuer 8 transects de 50 \u00e0 70m de longueur en une seule journ\u00e9e dans la zone d\u2019exploration d\u00e9finie.<br \/>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_gallery gallery_ids=&#8221;11785,11787,11775,11773&#8243; show_title_and_caption=&#8221;off&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;1px|||||&#8221; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Localisation et inspection d&#8217;une \u00e9pave dans le golfe de Saint-Tropez<\/h2>\n<pre><em>Experts &amp; Consultants - S-Tropez (83) - 2019<\/em><\/pre>\n<p>Un yacht a connu une exp\u00e9rience malheureuse lorsqu\u2019un feu s\u2019est d\u00e9clar\u00e9 \u00e0 bord et qu\u2019il a sombr\u00e9 dans le Golfe de Saint-Tropez. L\u2019expert mandat\u00e9 a fait appel \u00e0 Subsea Tech pour mener\u00a0 l\u2019inspection de l\u2019\u00e9pave, afin d\u2019obtenir des informations sur son \u00e9tat global. La premi\u00e8re \u00e9tape fut de relocaliser la cible en s\u2019appuyant sur les coordonn\u00e9es GPS fournies<br \/>\npar l\u2019expert. Notre pilote ROV a utilis\u00e9 le Mini-ROV Guardian sur lequel il a int\u00e9gr\u00e9 un sonar multifaisceaux <a href=\"https:\/\/www.subsea-tech.com\/blueprint-subsea\/?lang=fr\">Oculus M750d<\/a> et un syst\u00e8me de positionnement\u00a0 acoustique USBL SeaTrac. A la troisi\u00e8me plong\u00e9e, l\u2019\u00e9pave a \u00e9t\u00e9 localis\u00e9e \u00e0 80m de fond et l\u2019inspection vid\u00e9o pouvait commencer. Quand le bateau a \u00e9t\u00e9 aper\u00e7u la premi\u00e8re fois avec le sonar, nous avons imm\u00e9diatement pens\u00e9 que le pont \u00e9tant manquant, ce qui a \u00e9t\u00e9 confirm\u00e9 par la vid\u00e9o. La coque \u00e9tait globalement intacte mais tous les int\u00e9rieurs avaient disparu. L\u2019inspection a \u00e9galement permis de d\u00e9terminer qu\u2019aucune fuite de carburant n\u2019avait eu lieu.<br \/>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_gallery gallery_ids=&#8221;13764,11794,11796,11798&#8243; show_title_and_caption=&#8221;off&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;1px|||||&#8221; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Inspection d&#8217;un \u00e9missaire en mer dans la baie d&#8217;Ajaccio<\/h2>\n<pre><em>CREOCEAN - Ajaccio (2B) - 2019\r\n<\/em><\/pre>\n<p>Apr\u00e8s une premi\u00e8re inspection en 2018, le bureau d&#8217;\u00e9tude environnemental et oc\u00e9anographique Creoc\u00e9an a mandat\u00e9 une nouvelle fois Subsea Tech pour la r\u00e9alisation de relev\u00e9s structurels et environnementaux sur un \u00e9missaire en mer situ\u00e9s dans le Golfe d&#8217;Ajaccio en Corse. La mission a consist\u00e9 en une inspection visuelle de l&#8217;\u00e9missaire depuis son exutoire jusqu&#8217;\u00e0 la c\u00f4te, sur un lin\u00e9aire d&#8217;environ 800m et \u00e0 une profondeur variant entre -60m et &#8211; 9m. L&#8217;objectif de cette nouvelle mission \u00e9tait entre autres d&#8217;\u00e9valuer l&#8217;\u00e9volution de la faune et de la flore aux abord imm\u00e9diats de l&#8217;\u00e9missaire, en comparant les r\u00e9sultats de l&#8217;inspection avec ceux obtenus en 2018.\u00a0 Subsea Tech a utilis\u00e9 un mini-ROV Guardian \u00e9quip\u00e9 d&#8217;un syst\u00e8me de positionnement USBL SeaTrac permettant de g\u00e9olocaliser l&#8217;engin sous la surface.<br \/>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_gallery gallery_ids=&#8221;13762,11808,11810,11806&#8243; show_title_and_caption=&#8221;off&#8221; _builder_version=&#8221;4.16&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_gallery][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;27px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221; | || &#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.18.0&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;|-4px||||&#8221; custom_padding=&#8221;1px|||||&#8221; use_border_color=&#8221;off&#8221; border_style=&#8221;solid&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Quelques r\u00e9f\u00e9rences<\/h2>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>BHP &#8211; Port Hardy (Canada) : <\/strong>Conception\/fabrication d&#8217;un USV pour le pr\u00e9l\u00e8vement d&#8217;\u00e9chantillons d&#8217;eau dans un lac minier<\/li>\n<li><strong>Sous-Marine Services &#8211; Marseille (13) <\/strong>: Recherche et inspection d&#8217;une \u00e9pave \u00e0 73 m de fond au large de Marseille par Mini-ROV<\/li>\n<li><strong>GALATEA &#8211; St-Mandrier (83)<\/strong> : Inspection d&#8217;un panache de feuilles au large de Saint-Mandrier<\/li>\n<li><strong>CREOCEAN &#8211; Porquerolles (83)<\/strong> : Bathym\u00e9trie en mer entre Giens et Porquerolles<\/li>\n<li><strong>GIPREB &#8211; Berre l&#8217;Etang (13)<\/strong> : Monitoring des herbiers de zost\u00e8res dans l&#8217;Etang de Berre par USV et sonar de bathym\u00e9trie multifaisceaux<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Services &gt; Prestations \u00c9tudes environnementales Monitoring de faune\/flore Inspection d&#8217;\u00e9paves Mesures physico-chimiques Suivi environnemental de r\u00e9cifs naturels et artificiels par photogramm\u00e9trie subaquatique Wageningen Marine Research &#8211; Stellendam \/ Scheveningen, Pays-Bas [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-11757","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Subsea Tech - Nos interventions en \u00c9tudes environnementales<\/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.subsea-tech.com\/fr\/etudes-environnementales\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Subsea Tech - Nos interventions en \u00c9tudes environnementales\" \/>\n<meta property=\"og:description\" content=\"Services &gt; 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