{"id":1682,"date":"2022-07-21T17:37:28","date_gmt":"2022-07-21T15:37:28","guid":{"rendered":"https:\/\/www.cerege.fr\/?page_id=1682"},"modified":"2024-06-13T16:00:23","modified_gmt":"2024-06-13T14:00:23","slug":"level-marine-dynamic-glaciers","status":"publish","type":"page","link":"https:\/\/www.cerege.fr\/en\/sciences\/climat\/niveau-marin-dynamique-des-glaciers\/","title":{"rendered":"Evolution of the cryosphere over time"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1682\" class=\"elementor elementor-1682\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7685c291 elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"7685c291\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-59fcd0e8\" data-id=\"59fcd0e8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1df2abc5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1df2abc5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ae681b5\" data-id=\"4ae681b5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76570795 elementor-widget elementor-widget-shortcode\" data-id=\"76570795\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\">\n            <div class=\"breadcrumb-container theme1\">\n                <ol>\n                                    <\/ol>\n            <\/div>\n        <\/nav>    <script type=\"application\/ld+json\">\n        {\n            \"@context\": \"http:\/\/schema.org\",\n            \"@type\": \"BreadcrumbList\",\n            \"itemListElement\": [\n                            ]\n        }\n    <\/script>\n   \n    <script>\n            <\/script>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7873cb77 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7873cb77\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-af94a46\" data-id=\"af94a46\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-57ac7256 elementor-widget elementor-widget-text-editor\" data-id=\"57ac7256\" 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=\"font-weight: 400;\">L\u2019\u00e9valuation de la r\u00e9ponse des <strong>glaciers de montagne et des calottes de glace polaires<\/strong> au cours du <strong>Quaternaire<\/strong> apporte un \u00e9clairage important sur les modalit\u00e9s de la d<strong>ynamique des d\u00e9glaciations<\/strong>, aussi bien \u00e0 l\u2019\u00e9chelle r\u00e9gionale que globale. Nos travaux portent sur des zones englac\u00e9es aux hautes, moyennes et basses latitudes des deux h\u00e9misph\u00e8res (Groenland, Antarctique, Alpes, Himalaya, \u00celes Kerguelen, Andes\u2026) et s\u2019appuient sur la <strong>datation des formations glaciaires<\/strong> par <strong>nucl\u00e9ides cosmog\u00e9niques<\/strong> et la <strong>mod\u00e9lisation glaciaire et climatique.<\/strong> Notre \u00e9quipe travaille aussi sur les glaciations plus anciennes (pal\u00e9ozo\u00efques et prot\u00e9rozo\u00efques), ainsi que sur l&#8217;<strong>\u00e9volution du niveau marin<\/strong> associ\u00e9 aux cycles de glaciation et d\u00e9glaciation.<br \/>Cet axe de recherche s&#8217;est significativement d\u00e9velopp\u00e9 lors des derni\u00e8res ann\u00e9es avec l\u2019arriv\u00e9e de <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/vincent-jomelli\/\">Vincent Jomelli<\/a>, <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/deborah-verfaillie\/\">Deborah Verfaillie<\/a> et <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/vincent-rinterknecht\/\">Vincent Rinterknecht<\/a>. L&#8217;\u00e9mulation entre anciens et nouveaux titulaires de l&#8217;\u00e9quipe se manifeste au travers de participations \u00e0 plusieurs ANR financ\u00e9es en 2022 (<a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/anr-delta\/\">ANR DELTA<\/a> et <a href=\"https:\/\/www.cerege.fr\/sciences\/climat\/projets-climat\/anr-margo\/\">ANR MARGO<\/a>). Le premier projet traite directement de la <strong>dynamique des glaciers de l\u2019Antarctique de l\u2019Est<\/strong> et leurs impacts sur le niveau marin. Le second porte sur l<strong>\u2019impact de la fonte des glaciers des \u00celes Kerguelen<\/strong> sur la biochimie de l\u2019oc\u00e9an Austral. La construction r\u00e9cente d\u2019une cha\u00eene de <strong>mesure du 14C <em>in situ<\/em><\/strong> (<a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/irene-schimmelpfennig\/\">Irene Schimmelpfennig<\/a>) permettra prochainement de g\u00e9n\u00e9raliser les approches de datation par nucl\u00e9ides cosmog\u00e9niques aux p\u00e9riodes de retrait glaciaire marqu\u00e9.<\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-155b70f1\" data-id=\"155b70f1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-526ca96a elementor-widget elementor-widget-image\" data-id=\"526ca96a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-1024x768.jpg\" class=\"attachment-large size-large wp-image-1695\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-1024x768.jpg 1024w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-300x225.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-768x576.jpg 768w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-1536x1152.jpg 1536w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713-16x12.jpg 16w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/07\/P1070713.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-774d71c elementor-widget elementor-widget-text-editor\" data-id=\"774d71c\" 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<h3 style=\"padding-left: 40px;\"><span style=\"font-weight: normal;\"><span style=\"color: #0f72bb;\">Projets<\/span><\/span><\/h3><ul><li>2022-2026: <strong><a href=\"https:\/\/www.cerege.fr\/sciences\/climat\/projets-climat\/anr-delta\/\">ANR DELTA<\/a>:<\/strong> <em><em>Long term Glacier Dynamics in East Antarctica and impact on sea level rise<\/em><\/em><\/li><li>2022-2026: <a href=\"https:\/\/www.cerege.fr\/sciences\/climat\/projets-climat\/anr-margo\/\"><strong>ANR MARGO<\/strong><\/a>: <em><em>La mati\u00e8re d&#8217;origine glaciaire et son devenir dans l&#8217;oc\u00e9an : une \u00e9tude de cas \u00e0 Kerguelen<\/em><\/em><\/li><li>2022-2026: <strong>IPEV<\/strong>: <em><em>D\u00e9glaciation holoc\u00e8ne en Terre Ad\u00e9lie d&#8217;apr\u00e8s les datations cosmog\u00e9niques<\/em><\/em><\/li><li>2022-2026: <a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/fluctuations-des-glaciers-alpins-dans-le-sud-du-groenland-pendant-lholocene\/\"><strong>IPEV Groenland<\/strong><\/a>: <em><em>Fluctuations des glaciers alpins dans le sud du Groenland pendant l&#8217;Holoc\u00e8ne<\/em><\/em><\/li><li>2020-2024: <a href=\"https:\/\/www.cerege.fr\/sciences\/climat\/projets-climat\/irp-deglaciation-dans-le-grand-caucase\/\"><strong>IRP CNRS<\/strong><\/a>: <em><em>D\u00e9glaciation dans le Grand Caucase<\/em><\/em><\/li><li>2019-2020: <strong>IMAGO\/LEFE GLADY,<\/strong> <em><em>Le glacier d\u2019Arsine au cours de l\u2019Holoc\u00e8ne : une dynamique paraglaciaire responsable d\u2019une avanc\u00e9e exceptionnelle ?<\/em><\/em><\/li><li><em>2015-2020:<\/em> <strong>ANR WarHol<\/strong> : <em>Les glaciers dans un monde en r\u00e9chauffement : enseignements des enregistrements Holoc\u00e8nes obtenus \u00e0 partir du nouvel outil de datation \u00ab carbone-14 in situ \u00bb<\/em><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3e7640 gallery-spacing-custom elementor-widget elementor-widget-image-gallery\" data-id=\"a3e7640\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-gallery\">\n\t\t\t<div id='gallery-1' class='gallery galleryid-1682 gallery-columns-2 gallery-size-large'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a3e7640\" data-elementor-lightbox-title=\"CEREGE_Climat_niveaux_marins\" 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[&hellip;]<\/p>\n","protected":false},"author":551,"featured_media":1860,"parent":828,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1682","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-04-23 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