{"id":10368,"date":"2021-06-04T00:00:00","date_gmt":"2021-06-04T00:00:00","guid":{"rendered":"https:\/\/www.mercator-ocean.eu\/5eme-expeditions-de-sea-plastics\/"},"modified":"2021-06-04T00:00:00","modified_gmt":"2021-06-04T00:00:00","slug":"5eme-expeditions-de-sea-plastics","status":"publish","type":"post","link":"https:\/\/www.mercator-ocean.eu\/fr\/5eme-expeditions-de-sea-plastics\/","title":{"rendered":"5\u00e8me exp\u00e9dition de SEA PLASTICS"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><p>La <strong>5\u00e8me exp\u00e9dition de <\/strong><a href=\"https:\/\/www.seaplastics.org\/\"><strong>SEA PLASTICS<\/strong><\/a> navigue depuis mars 2021 entre l\u2019Espagne, la France et l\u2019Italie et s\u2019intitule <strong>\u00ab\u00a0\u00c9valuation de m\u00e9thodes d\u2019\u00e9chantillonnage et de caract\u00e9risation de particules polym\u00e8res \u00e0 des tailles inf\u00e9rieures \u00e0 5 mm diss\u00e9min\u00e9es dans le milieu marin.\u00a0\u00bb<\/strong>.<\/p>\n<figure id=\"attachment_21979\" aria-describedby=\"caption-attachment-21979\" style=\"width: 346px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image-2.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-21979\" src=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image-2-300x177.png\" alt=\"\" width=\"346\" height=\"204\" \/><\/a><figcaption id=\"caption-attachment-21979\" class=\"wp-caption-text\"><em>Parcours m\u00e9diterran\u00e9en 2021<\/em><\/figcaption><\/figure>\n<figure id=\"attachment_21978\" aria-describedby=\"caption-attachment-21978\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image1.jpg\"><img decoding=\"async\" class=\"wp-image-21978 size-medium\" src=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image1-300x205.jpg\" alt=\"\" width=\"300\" height=\"205\" \/><\/a><figcaption id=\"caption-attachment-21978\" class=\"wp-caption-text\"><em>Helene, Irene, Manon, Dimitri, Lorraine : l&rsquo;\u00e9quipe au complet vous salue<\/em><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Cette ann\u00e9e, l&rsquo;exp\u00e9dition est port\u00e9e par<strong> SEA Plastics <\/strong>et<strong> le Laboratoire National de m\u00e9trologie et d\u2019Essais<\/strong> (<a href=\"https:\/\/www.lne.fr\/fr\">LNE<\/a>), <strong>le Conservatoire National des Arts et M\u00e9tiers <\/strong>(<a href=\"https:\/\/www.cnam.fr\/\">CNAM<\/a>), <strong>le Centre Technique Industriel de la Plasturgie et des Composites <\/strong>(<a href=\"https:\/\/ct-ipc.com\/\">CT-IPC<\/a>)<strong> et l\u2019INRAE-AgroParisTech <\/strong>(<a href=\"https:\/\/www.inrae.fr\/\">INRAE INSTIT<\/a>)<strong>, <\/strong>qui se sont regroup\u00e9s au travers d\u2019un appel \u00e0 projet\u00a0intitul\u00e9 \u00ab Evaluation de m\u00e9thodes de caract\u00e9risation de microplastiques en milieu marin \u00bb, initi\u00e9 et financ\u00e9 par<strong> l&rsquo;Association des Centres Techniques de l\u2019Industrie Agro-alimentaire <\/strong>(l\u2019<a href=\"https:\/\/www.actia-asso.eu\/\">ACTIA<\/a>), op\u00e9rateur de l\u2019Etat par le minist\u00e8re charg\u00e9 de l\u2019Agro-alimentaire.<\/p>\n<p>En continuit\u00e9 avec les ann\u00e9es pr\u00e9c\u00e9dentes, la\u00a0<strong>pollution microplastique<\/strong> est \u00e9tudi\u00e9e avec 20 points d&rsquo;\u00e9chantillonnage d\u00e9finis \u00e0 diff\u00e9rents endroits\u00a0de la M\u00e9diterran\u00e9e, pour leurs caract\u00e9ristiques particuli\u00e8res dues aux courants, milieux naturels, milieux de conchyculture, haute mer, &#8230;<br \/>\n<strong>Le nouveau d\u00e9fi <\/strong>de cette exp\u00e9dition est d\u2019\u00e9valuer les m\u00e9thodes d\u2019\u00e9chantillonnages et de caract\u00e9risation des particules de polym\u00e8res de tailles inf\u00e9rieures \u00e0 5mm, les <strong>nanoplastiques<\/strong> : quatre bouteilles Neskin sont plong\u00e9es dans la colonne d&rsquo;eau, puis remont\u00e9es \u00e0 bord, les \u00e9chantillons sont pass\u00e9s dans des tamis de mailles de plus en plus fines, pour ensuite \u00eatre filtr\u00e9s sur un support en microfibres de verre qui garde toutes les particules comprises entre 700 nanom\u00e8tres et 50 microm\u00e8tres. La cible de ces m\u00e9thodes est la mise en \u00e9vidence et l&rsquo;analyse de nanoplastiques.<\/p>\n<p>Une autre partie des t\u00e2ches, appel\u00e9e \u00ab surveillance \u00bb, consiste \u00e0 collecter des \u00e9chantillons en utilisant un filet manta\u00a0et un filet fermant\u00a0qui \u00e9chantillonne la colonne d&rsquo;eau.\u00a0L\u2019analyse des \u00e9chantillons collect\u00e9s est r\u00e9partie comme suit : le LNE\u00a0et l&rsquo;IPC se chargent des m\u00e9thodes analysant les microplastiques de tr\u00e8s petites tailles (inf\u00e9rieur \u00e0 125 microm\u00e8tres et les nanoplastiques). L&rsquo;INRA-AgroParisTech et le CNAM se chargent des autres microplastiques de 5mm \u00e0 125 microm\u00e8tres. Ils \u00e9tudieront \u00e9galement le vieillissement des microplastiques d&rsquo;une taille sup\u00e9rieure \u00e0 1mm. Autre point positif, cette exp\u00e9dition permet le recrutement de deux stagiaires, l&rsquo;un est partag\u00e9 entre le LNE et l&rsquo;IPC, le second est partag\u00e9 entre le CNAM et l&rsquo;INRAE-AgroParisTech.<\/p>\n<p>En escale, l&rsquo;\u00e9quipe en contact avec le responsable du port, la mairie et les \u00e9coles, sensibilise le public sur les dangers du plastique, de la maternelle aux seniors et organise des conf\u00e9rences dont les discours sont adapt\u00e9s, vulgaris\u00e9s, ou encore mis sous forme ludique* en parall\u00e8le avec des cessions de ramassage de d\u00e9chets sur les plages.<br \/>\n*Voir <a href=\"https:\/\/www.seaplastics.org\/isa-la-mouette\"><strong><em>Isa la Mouette<\/em><\/strong><\/a>, livre pour enfants \u00e9crit par\u00a0C\u00e9cile Davrinche et Cosme Mosneron Dupin, illustr\u00e9 par Caroline Gaiffe Figerod, \u00e9dit\u00e9 chaque ann\u00e9e par SEA Plastics.<\/p>\n<p>Les \u00e9tudiants qui constituent l&rsquo;association SEA Plastics de 2021, ont pr\u00e9par\u00e9 l&rsquo;exp\u00e9dition scientifique et sont en mer jusqu&rsquo;en fin juillet, il s&rsquo;agit de Manon Vichot (AgroParisTech)\u00a0responsable\u00a0Science et Ports Espagnols, Lorraine Wemaere (AgroParisTech) responsable Ports France, Ir\u00e8ne Creton de Limerville (AgroParisTech) responsable Partenariats, H\u00e9l\u00e8ne Lovato (UTC Compi\u00e8gne) responsable Ports Italiens et responsable Sensibilisation, Dimitri Jelinski (AgroParisTech) responsable Science et Exp\u00e9dition. S\u00e9bastien et Valentine sont les deux skippers b\u00e9n\u00e9voles de SEA Plastics \u00e0 bord de l\u2019<em>Im\u2019possible<\/em>&#8230; (le\u00a0chat Isis fait partie du voyage avec <em>Isa la Mouette)<\/em>.<\/p>\n<p><strong>MERCATOR OCEAN soutient les \u00e9tudiants de l\u2019association SEA Plastics avec un service d\u00e9di\u00e9. Les produits <\/strong>issus du catalogue <a href=\"https:\/\/marine.copernicus.eu\/\"><strong>Copernicus Marine Service<\/strong><\/a><strong> sous format de cartes et de fichiers num\u00e9riques <\/strong>sont sp\u00e9cifiquement<strong> mis \u00e0 disposition par MERCATOR OC\u00c9AN<\/strong> et permettent de d\u00e9finir le contexte d\u2019\u00e9chantillonnage, la r\u00e9alisation du trac\u00e9 et la comparaison avec les donn\u00e9es obtenues pr\u00e9c\u00e9demment : il s&rsquo;agit des produits de CMCC, r\u00e9f\u00e9rence <a href=\"https:\/\/resources.marine.copernicus.eu\/?option=com_csw&amp;view=details&amp;product_id=MEDSEA_ANALYSISFORECAST_PHY_006_013\">MEDSEA_ANALYSIS_FORECAST_PHY_006_013<\/a> et du syst\u00e8me de pr\u00e9vision MedBFM\u00a0d\u2019OGS Trieste Near Real Time, r\u00e9f\u00e9rence <a href=\"https:\/\/resources.marine.copernicus.eu\/?option=com_csw&amp;view=details&amp;product_id=MEDSEA_ANALYSISFORECAST_BGC_006_014\">MEDSEA_ANALYS_FORECAST_BIO_006_014<\/a>. La\u00a0r\u00e9solution spatiale des deux syst\u00e8mes est au 1\/24\u00b0.<br \/>\nNous les encourageons dans leur mission et leur souhaitons le meilleur dans cette exp\u00e9rience humaine et scientifique.<\/p>\n<p>Les informations r\u00e9guli\u00e8res sont accessibles via l\u2019abonnement \u00e0 la <a href=\"https:\/\/www.facebook.com\/seaplastics\/videos\/291729798462255\/\">newsletter<\/a> de SEA Plastics pour suivre l\u2019avanc\u00e9e du p\u00e9riple et des pr\u00e9l\u00e8vements effectu\u00e9s.<\/p>\n<figure id=\"attachment_21980\" aria-describedby=\"caption-attachment-21980\" style=\"width: 225px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image3.jpg\"><img decoding=\"async\" class=\"size-medium wp-image-21980\" src=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image3-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-21980\" class=\"wp-caption-text\"><em>Lorraine observe les microplastiques<\/em><br \/><em>pr\u00e9lev\u00e9s au large du port de Banuyls.<\/em><\/figcaption><\/figure>\n<figure id=\"attachment_21981\" aria-describedby=\"caption-attachment-21981\" style=\"width: 228px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-21981 size-medium\" src=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image4-228x300.jpg\" alt=\"\" width=\"228\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-21981\" class=\"wp-caption-text\"><em>Dimitri interroge les enfants lors d&rsquo;une sensibilisation dans une \u00e9cole.<\/em><\/figcaption><\/figure>\n<figure id=\"attachment_21982\" aria-describedby=\"caption-attachment-21982\" style=\"width: 225px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-21982\" src=\"https:\/\/www.mercator-ocean.eu\/wp-content\/uploads\/2021\/06\/image5-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" \/><\/a><figcaption id=\"caption-attachment-21982\" class=\"wp-caption-text\"><em>Manon montre l&rsquo;\u00e9chantillons contenant le support des nanoplastiques pr\u00e9lev\u00e9s au large.<\/em><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La 5\u00e8me exp\u00e9dition de SEA PLASTICS navigue depuis mars 2021 entre l\u2019Espagne, la France et l\u2019Italie et s\u2019intitule \u00ab\u00a0\u00c9valuation de m\u00e9thodes d\u2019\u00e9chantillonnage et de caract\u00e9risation de particules polym\u00e8res \u00e0 des tailles inf\u00e9rieures \u00e0 5 mm diss\u00e9min\u00e9es dans le milieu marin.\u00a0\u00bb. &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Cette ann\u00e9e, l&rsquo;exp\u00e9dition est port\u00e9e par SEA Plastics [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"translation-status":[],"class_list":["post-10368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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