{"id":2891,"date":"2025-05-22T09:02:56","date_gmt":"2025-05-22T07:02:56","guid":{"rendered":"https:\/\/www.minesparis.psl.eu\/isige\/?page_id=2891"},"modified":"2025-05-22T09:02:57","modified_gmt":"2025-05-22T07:02:57","slug":"le-projet-piren-seine","status":"publish","type":"page","link":"https:\/\/www.minesparis.psl.eu\/isige\/recherche\/projets-de-recherche\/le-projet-piren-seine\/","title":{"rendered":"Le projet PiREN-Seine"},"content":{"rendered":"\n<div class=\"container\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t<h2 style=\"text-align: justify\">R\u00e9sum\u00e9<\/h2>\n<p style=\"text-align: justify\">N\u00e9 en 1989 d\u2019une initiative du CNRS, le Programme interdisciplinaire de Recherche sur l\u2019Environnement de la Seine (PiREN-Seine) coordonne les actions de recherche d\u2019une dizaine d\u2019organismes de recherche et d\u2019universit\u00e9s portant sur le bassin versant de la Seine.<\/p>\n<p style=\"text-align: justify\">Le projet port\u00e9 par l\u2019ISIGE s\u2019inscrit dans le programme de recherche PiREN SEINE PHASE 9 et de la Zone Atelier Seine, en particulier dans le cadre des activit\u00e9s de l\u2019Axe 1 \u00ab\u00a0<em><i>Vuln\u00e9rabilit\u00e9s du bassin de la Seine et de ses territoires face au changement climatique<\/i><\/em>\u00a0\u00bb et de l\u2019Axe 3 \u00ab\u00a0<em><i>Histoire, paysages et restauration \u00e9cologique<\/i><\/em>\u00a0\u00bb.<\/p>\n<h2 style=\"text-align: justify\">Objectifs et m\u00e9thode<\/h2>\n<p style=\"text-align: justify\">Pour r\u00e9pondre aux enjeux \u00e0 la fois scientifiques et op\u00e9rationnels du programme, l\u2019ISIGE va d\u2019abord produire des donn\u00e9es climatiques \u00e0 tr\u00e8s haute r\u00e9solution spatiale pour la p\u00e9riode actuelle et l\u2019horizon 2050, en prenant en compte deux sc\u00e9narios de changement climatique (SSP2 et SSP5).<\/p>\n<p style=\"text-align: justify\">Cette contribution vise \u00e0 tester une m\u00e9thode de downscaling climatique sur les zones choisies en accord avec les partenaires du programme en raison de l\u2019int\u00e9r\u00eat pour utiliser des donn\u00e9es \u00e0 tr\u00e8s haute r\u00e9solution spatiale sur ces localit\u00e9s. Les travaux de downscaling climatique viseront \u00e0 tester et \u00e0 am\u00e9liorer une m\u00e9thode actuellement d\u00e9velopp\u00e9e par l\u2019ISIGE, en introduisant de nouvelles variables explicatives de l\u2019expression des temp\u00e9ratures et des pr\u00e9cipitations, ainsi que de nouvelles techniques num\u00e9riques.<\/p>\n<p style=\"text-align: justify\">Ces donn\u00e9es seront ensuite utilis\u00e9es pour comprendre l\u2019impact potentiel des sc\u00e9narios de changement climatique sur le devenir des ripisylves des zones s\u00e9lectionn\u00e9es pour l\u2019\u00e9tude, et en particulier sur les cons\u00e9quences pour la stabilit\u00e9 des berges.<\/p>\n<p style=\"text-align: justify\">Cette approche prospective fond\u00e9e sur la d\u00e9finition de SDM\/HDM (Species\/Habitat Distribution Models) int\u00e8grera une phase de recommandations pour la pr\u00e9figuration de Solutions d\u2019adaptation fond\u00e9es sur la Nature (SafN) pour la stabilisation des versants et la restauration des berges des cours d\u2019eau.<\/p>\n<p style=\"text-align: center\"><a class=\"button-mines btn-bleu flech lf-blanc\" href=\"https:\/\/piren-seine.fr\/\">Pour en savoir plus<\/a><\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":10,"featured_media":2892,"parent":612,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2891","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - 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