{"id":22057,"date":"2025-06-05T14:39:15","date_gmt":"2025-06-05T12:39:15","guid":{"rendered":"https:\/\/www.mio.osupytheas.fr\/?p=22057"},"modified":"2025-06-06T14:23:59","modified_gmt":"2025-06-06T12:23:59","slug":"un-mois-de-mai-tres-actif-sur-le-site-instrumente-emso-lo","status":"publish","type":"post","link":"https:\/\/www.mio.osupytheas.fr\/fr\/un-mois-de-mai-tres-actif-sur-le-site-instrumente-emso-lo\/","title":{"rendered":"Un mois de mai tr\u00e8s actif sur le Site Instrument\u00e9 EMSO-LO"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"22057\" class=\"elementor elementor-22057\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e1bd6b e-flex e-con-boxed e-con e-parent\" data-id=\"3e1bd6b\" 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-98cbe0b elementor-widget elementor-widget-text-editor\" data-id=\"98cbe0b\" 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: justify;\">Le site EMSO-LO est un site instrument\u00e9 labellis\u00e9 d\u00e9di\u00e9 \u00e0 l\u2019observation \u00e0 long terme des grands fonds marins. EMSO-LO poss\u00e8de de nombreuses sp\u00e9cificit\u00e9s qui en font un site unique, dans les grands fonds marins, appropri\u00e9 au suivi de changements environnementaux et oc\u00e9anographiques \u00e0 long terme. Il est situ\u00e9 en M\u00e9diterran\u00e9e, dans le bassin ligure, qui est consid\u00e9r\u00e9 comme un oc\u00e9an miniature, et une zone d\u2019int\u00e9r\u00eat pour les caract\u00e9ristiques de ses masses d\u2019eau et le fonctionnement physique et biog\u00e9ochimique. Ce site fait partie d\u2019une \u201cregional facility\u201d (<a href=\"https:\/\/www.emso-fr.org\/Ligure-Ouest\" target=\"_blank\" rel=\"noopener\">EMSO-Ligure<\/a>) de l\u2019infrastructure europ\u00e9enne <a href=\"https:\/\/emso.eu\/\" target=\"_blank\" rel=\"noopener\">ERIC-EMSO<\/a> depuis 2016.<\/p><p style=\"text-align: justify;\">L\u2019instrumentation pluridisciplinaire d\u00e9ploy\u00e9e sur ces plateformes p\u00e9rennes a, en effet, permis l\u2019acquisition de donn\u00e9es environnementales, et biog\u00e9ochimiques \u00e0 long terme (&gt; 10 ans pour la pression, temp\u00e9rature, oxyg\u00e8ne, courantologie). Le site se compose de 3 plateformes p\u00e9rennes (un module d\u2019Interface Instrument\u00e9 MII, une bo\u00eete de jonction scientifique BJS et une ligne de mouillage instrument\u00e9e autonome, ALBATROSS), d\u00e9di\u00e9es \u00e0 recevoir des instruments oc\u00e9anographiques.<\/p><p style=\"text-align: justify;\">En f\u00e9vrier 2022, un ensemble d\u2019instruments innovants ont \u00e9t\u00e9 d\u00e9ploy\u00e9s sur le site, puis connect\u00e9 \u00e0 la plateforme BJS permettant l\u2019acquisition de donn\u00e9es environnementales et biologiques uniques \u00e0 ces profondeurs. Malheureusement, en janvier 2024, une panne d\u2019alimentation \u00e9lectrique sur un n\u0153ud de l\u2019observatoire du <a href=\"https:\/\/www.cppm.in2p3.fr\/web\/fr\/LSPM\/index.html\" target=\"_blank\" rel=\"noopener\">LSPM (Laboratoire Sous-marin Provence M\u00e9diterran\u00e9e)<\/a> a mis fin soudainement aux acquisitions de donn\u00e9es.<\/p><p style=\"text-align: justify;\">Au mois de mai 2025, nous avons pu effectuer avec succ\u00e8s la r\u00e9cup\u00e9ration de la BJS, de BathyBot (robot t\u00e9l\u00e9op\u00e9r\u00e9) et de son BathyDock.\u00a0<\/p><p style=\"text-align: justify;\">Cette op\u00e9ration s\u2019est effectu\u00e9e dans le cadre de la collaboration avec <a href=\"https:\/\/www.km3net.org\/\" target=\"_blank\" rel=\"noopener\">Km3NeT<\/a> et le <a href=\"https:\/\/www.lspm.cnrs.fr\/\" target=\"_blank\" rel=\"noopener\">LSPM<\/a> \u00e0 partir du navire de FOSELEV Marine le Castor 02, du navire de recherche de SAS (Ship As a Service) le Janus II et de son ROV Apache. Cette op\u00e9ration a \u00e9t\u00e9 financ\u00e9e par le CNRS-Ifremer, via l&#8217;<a href=\"https:\/\/www.emso-fr.org\/About\" target=\"_blank\" rel=\"noopener\">IR EMSO-Fr<\/a>. La <a href=\"https:\/\/www.dt.insu.cnrs.fr\/\" target=\"_blank\" rel=\"noopener\">Division Technique du CNRS-INSU<\/a> (DT INSU) a apport\u00e9 son support indispensable dans cette op\u00e9ration et l\u2019intervention des plongeurs de l\u2019<a href=\"https:\/\/osupytheas.fr\/\" target=\"_blank\" rel=\"noopener\">OSU Pytheas<\/a> et du MIO a permis de s\u00e9curiser la r\u00e9cup\u00e9ration de BathyBot. Les objets sont actuellement en expertise, maintenance et \u00e9ventuelles r\u00e9parations pour un red\u00e9ploiement en 2026.<\/p><p style=\"text-align: justify;\">En cette fin de mois de mai, la ligne ALBATROSS r\u00e9cup\u00e9r\u00e9e en avril dernier, a \u00e9t\u00e9 red\u00e9ploy\u00e9e avec succ\u00e8s \u00e0 partir du NO Tethys II (FOF). Il est \u00e0 noter que la ligne ALBATROSS a \u00e9t\u00e9 dot\u00e9e de nouveaux \u00e9quipements en plus de ses 8 microcat (p, T, S, O2) et ses 6 Aquadopp (Courant) d\u00e9di\u00e9s \u00e0 l\u2019observation des propri\u00e9t\u00e9s thermodynamique de la M\u00e9diterran\u00e9e nord-occidentale, de l\u2019\u00e9volution de la stratification de la colonne d\u2019eau et de la ventilation des eaux d\u2019origine levantine et profondes. En effet, la ligne a \u00e9t\u00e9 dot\u00e9e \u00e0 500m, d\u2019un capteur pH, d\u2019un IODA, pour la mesure de la dynamique de l\u2019oxyg\u00e8ne et d\u2019un Visu-trap (Collaboration avec le <a href=\"https:\/\/www.log.cnrs.fr\/\" target=\"_blank\" rel=\"noopener\">LOG<\/a> et l\u2019<a href=\"https:\/\/www.imev-mer.fr\/web\/\" target=\"_blank\" rel=\"noopener\">IMEV<\/a>) pour la mesure du flux de particules et l\u2019acquisition d\u2019images des organismes planctoniques macroscopiques.<\/p><p style=\"text-align: justify;\">La ligne de mouillage est constitu\u00e9e de 3 \u00e9tages qui peuvent \u00eatre r\u00e9cup\u00e9r\u00e9 s\u00e9quentiellement. La r\u00e9cup\u00e9ration du premier \u00e9tage, constitu\u00e9e du IODA et du Visu-trap est pr\u00e9vue dans un an et les 2 autres \u00e9tages seront r\u00e9cup\u00e9r\u00e9s dans 18-24 mois.<\/p><p style=\"text-align: justify;\">Merci \u00e0 la DT INSU pour ce succ\u00e8s et au <a href=\"https:\/\/www.mio.osupytheas.fr\/fr\/recherche\/structures-techniques\/service-atmosphere-mer-sam\/\" target=\"_blank\" rel=\"noopener\">SAM<\/a> pour leur support.<\/p><p style=\"text-align: justify;\">Les donn\u00e9es sont <a href=\"https:\/\/erddap.osupytheas.fr\/erddap\/search\/index.html?page=1&amp;itemsPerPage=1000&amp;searchFor=ligur\" target=\"_blank\" rel=\"noopener\">disponibles en ligne<\/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<div class=\"elementor-element elementor-element-b1b7adc e-flex e-con-boxed e-con e-parent\" data-id=\"b1b7adc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div 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class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2025\/06\/EmsoLoMai2025_6.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"0b7f256\" data-elementor-lightbox-title=\"EmsoLoMai2025_6\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjIwNTksInVybCI6Imh0dHBzOlwvXC93d3cubWlvLm9zdXB5dGhlYXMuZnJcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzA2XC9FbXNvTG9NYWkyMDI1XzYuanBnIiwic2xpZGVzaG93IjoiMGI3ZjI1NiJ9\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.mio.osupytheas.fr\/wp-content\/uploads\/2025\/06\/EmsoLoMai2025_6-1024x461.jpg\" data-width=\"800\" data-height=\"360\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le site EMSO-LO est un site instrument\u00e9 labellis\u00e9 d\u00e9di\u00e9 \u00e0 l\u2019observation \u00e0 long terme des grands fonds marins. EMSO-LO poss\u00e8de de nombreuses sp\u00e9cificit\u00e9s qui en font un site unique, dans [&hellip;]<\/p>\n","protected":false},"author":319,"featured_media":22064,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28,17,1],"tags":[],"class_list":["post-22057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-avancees-scientifiques","category-a-la-une","category-actualites"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/22057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/users\/319"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/comments?post=22057"}],"version-history":[{"count":26,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/22057\/revisions"}],"predecessor-version":[{"id":22093,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/22057\/revisions\/22093"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media\/22064"}],"wp:attachment":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media?parent=22057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/categories?post=22057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/tags?post=22057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}