{"id":32308,"date":"2025-12-22T14:03:24","date_gmt":"2025-12-22T13:03:24","guid":{"rendered":"https:\/\/isblue.fr\/?post_type=cpt_evenements&#038;p=32308"},"modified":"2025-12-22T14:03:26","modified_gmt":"2025-12-22T13:03:26","slug":"presentation-projet-piperade","status":"publish","type":"cpt_evenements","link":"https:\/\/isblue.fr\/en\/tous-les-evenements\/presentation-projet-piperade\/","title":{"rendered":"Pr\u00e9sentation projet PIPERADE"},"content":{"rendered":"\n<p><strong><em>Projet PIPERADE :\u00a0 D\u00e9ploiement de PI\u00e8ges \u00e0 ParticulEs en RADE de Brest pour un suivi saisonnier p\u00e9rennis\u00e9 de diff\u00e9rents indicateurs biologiques et s\u00e9dimentologiques (ISblue-ZABrI)<\/em><\/strong><\/p>\n\n\n\n<p><strong>Clara Valero et la team PIPERADE*<\/strong><\/p>\n\n\n\n<p>Cette pr\u00e9sentation est consacr\u00e9e \u00e0 la pr\u00e9sentation des r\u00e9sultats pr\u00e9liminaires acquis gr\u00e2ce \u00e0 l\u2019\u00e9tude de s\u00e9diments actuels dans le cadre du projet PIPERADE visant au d\u00e9ploiement de pi\u00e8ges \u00e0 particules low-cost en rade de Brest pour un suivi saisonnier de diff\u00e9rents indicateurs s\u00e9dimentologiques et biologiques depuis mars 2023.<\/p>\n\n\n\n<p>Ce projet, soutenu financi\u00e8rement par le projet ISblue PACTE et la Zone Atelier Brest Iroise (ZABrI), s\u2019inscrit dans les objectifs d\u2019observation long terme de l&#8217;environnement oc\u00e9anique et c\u00f4tier men\u00e9e par l\u2019Observatoire marin de l\u2019Institut Universitaire Europ\u00e9en de la Mer (IUEM) depuis la fin des ann\u00e9es 1990. Ces suivis permettent de r\u00e9soudre des questionnements autour des cycles de variabilit\u00e9 de diff\u00e9rents param\u00e8tres cl\u00e9s (du cycle diurne \u00e0 la variation saisonni\u00e8re ou encore aux fluctuations interannuelles et d\u00e9cennales) gr\u00e2ce \u00e0 diff\u00e9rentes stations instrument\u00e9es faisant partie des r\u00e9seaux d\u2019observation nationaux (e.g. REPHYTOX, SOMLIT, COAST-HF). Gr\u00e2ce \u00e0 l\u2019installation de pi\u00e8ges \u00e0 particules au niveau de station d\u2019ores et d\u00e9j\u00e0 instrument\u00e9es par l\u2019Observatoire (Daoulas, Lanv\u00e9oc et Sainte-Anne du Portzic), cette \u00e9tude pourra apporter des connaissances sur la dynamique saisonni\u00e8re des particules s\u00e9dimentant en rade de Brest. Ceci permettra, \u00e0 terme, de comprendre les flux de particules biog\u00e8nes et terrig\u00e8nes enregistr\u00e9s en fonction des for\u00e7ages m\u00e9t\u00e9o-marins (vents, pr\u00e9cipitations, temp\u00e9ratures atmosph\u00e9riques) et en lien avec les param\u00e8tres environnementaux suivis (d\u00e9bit des rivi\u00e8res, temp\u00e9rature de l\u2019eau, salinit\u00e9, nutriments, turbidit\u00e9).<br><\/p>\n\n\n\n<p>Dans le cadre de mon travail doctoral (2022-2025), la mise en place de ce suivi et les premi\u00e8res donn\u00e9es qui en d\u00e9coulent permettent de dresser un portrait des disparit\u00e9s de conditions de s\u00e9dimentation en fonction des diff\u00e9rents r\u00e9gimes hydrodynamiques ainsi que des modalit\u00e9s saisonni\u00e8res de d\u00e9p\u00f4ts des palynomorphes (pollen et dinokystes) dans les s\u00e9diments modernes de la rade. Cette \u00e9tude pr\u00e9liminaire permettra \u00e9galement de mieux comprendre et interpr\u00e9ter les signaux s\u00e9dimentologiques et biologiques enregistr\u00e9s dans les \u00e9tudes pal\u00e9oenvironnementales men\u00e9es \u00e0 partir des carottes s\u00e9dimentaires pr\u00e9lev\u00e9es dans la rade de Brest.<\/p>\n\n\n\n<p><br>Apr\u00e8s une pr\u00e9sentation d&#8217;environ 30 minutes (depuis le montage et le d\u00e9ploiement des pi\u00e8ges jusqu&#8217;aux r\u00e9sultats pr\u00e9liminaires obtenus), un temps d&#8217;\u00e9change sera destin\u00e9 \u00e0 discuter de la poursuite du dispositif et \u00e0 envisager de nouvelles collaborations sur le mat\u00e9riel collect\u00e9.<\/p>\n\n\n\n<p>*<em>Aur\u00e9lie Penaud, Jill Sutton, Muriel Vidal, Emmanuel Augereau, Marion Jaud, Erwan le Gall, Gaspard Delebecq, Peggy Rimmelin-Maury, Emilie Grossteffan, S\u00e9bastien Petton, Val\u00e9rian Le Roy, Herv\u00e9 Lintanf, Michel Peleau, Michel Repecaud, Erwan Amice, Thierry Le Beq, Th\u00e9o Gromberg, Julien Thebault, Aude Leynaert, Sabine Schmidt, Evelyne Goubert, Pierre-Antoine Dessandier, Sidonie R\u00e9villon, Matthieu Waeles et tous ceux qui voudront enrichir les rangs de PIPERADE !<\/em><\/p>\n","protected":false},"author":40,"featured_media":0,"parent":0,"template":"","taxo_evenements":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pr\u00e9sentation projet PIPERADE - Ecole Universitaire de Recherche en sciences &amp; 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