{"id":2081,"date":"2022-07-26T14:25:19","date_gmt":"2022-07-26T12:25:19","guid":{"rendered":"https:\/\/www.cerege.fr\/?page_id=2081"},"modified":"2024-06-13T16:22:01","modified_gmt":"2024-06-13T14:22:01","slug":"paleo-mousson-paleo-enso-paleo-circulations","status":"publish","type":"page","link":"https:\/\/www.cerege.fr\/en\/sciences\/climat\/paleo-mousson-paleo-enso-paleo-circulations\/","title":{"rendered":"Paleoceanography and paleocirculations"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2081\" class=\"elementor elementor-2081\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-40c9d3e elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"40c9d3e\" 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-77286cd6\" data-id=\"77286cd6\" 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-475408ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"475408ba\" 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-4ad235ac\" data-id=\"4ad235ac\" 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-3ed477bf elementor-widget elementor-widget-shortcode\" data-id=\"3ed477bf\" 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-1215ed0b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1215ed0b\" 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-4e2da533\" data-id=\"4e2da533\" 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-292f0641 elementor-widget elementor-widget-text-editor\" data-id=\"292f0641\" 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>Nous d\u00e9veloppons de n<strong>ouvelles m\u00e9thodes<\/strong> pour reconstruire la <strong>circulation oc\u00e9anique et l\u2019oxyg\u00e9nation pass\u00e9e<\/strong>, par une approche bas\u00e9e sur la <strong>combinaison d&#8217;approches g\u00e9ochimiques<\/strong> (compositions isotopiques du n\u00e9odyme et du carbone des foraminif\u00e8res) appliqu\u00e9es \u00e0 une m\u00eame archive oc\u00e9anique afin de minimiser les biais associ\u00e9s \u00e0 chaque approche. Ces approches sont au c\u0153ur de l&#8217;<a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/anr-medsens\/\">ANR MedSens<\/a> (2020-2024) port\u00e9e par <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/kazuyo-tachikawa\/\">Kazuyo Tachikawa<\/a>, focalis\u00e9e sur l&#8217;\u00e9tude de la <strong>circulation thermohaline m\u00e9diterran\u00e9enne<\/strong>. Le projet <a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/itch\/\">ANR ITCH<\/a> (2023-2027), port\u00e9 par <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/clara-bolton\/\">Clara Bolton<\/a>, capitalise sur les donn\u00e9es de la campagne de la Flotte Oc\u00e9anographique Fran\u00e7aise SCRATCH (2021) pour \u00e9tudier l\u2019\u00e9<strong>volution du dip\u00f4le Indien<\/strong> et la <strong>co-\u00e9volution du plancton oc\u00e9anique<\/strong> dans la zone du c<strong>anal du Mozambique<\/strong> au Pl\u00e9istoc\u00e8ne et viendra compl\u00e9ter nos \u00e9tudes en cours dans l\u2019oc\u00e9an Indien tropical. Les <strong>\u00e2ges tr\u00e8s pr\u00e9cis 14C<\/strong> mesur\u00e9s dans le cadre de l\u2019<a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/anr-marcara\/\">ANR MARCARA<\/a>, port\u00e9 par <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/edouard-bard\/\">Edouard Bard<\/a> sur des <strong>foraminif\u00e8res benthiques<\/strong> permettront la <strong>reconstitution de la circulation oc\u00e9anique profonde.<\/strong> <br \/>Les derniers d\u00e9veloppements de <strong>micropal\u00e9ontologie automatis\u00e9e<\/strong> au sein de l\u2019\u00e9quipe ont permis d\u2019initier des travaux sur la <strong>variabilit\u00e9 pass\u00e9e des conditions hydrologiques de surface<\/strong> dans <strong>l\u2019oc\u00e9an Indien<\/strong>, zone importante qui contribue \u00e0 la variabilit\u00e9 climatique \u00e0 l\u2019\u00e9chelle globale (<strong>ENSO, Dip\u00f4le Indien, Mousson<\/strong>). L\u2019application de notre <strong>prototype de comptage des microfossiles (MiSo)<\/strong> aux \u00e9chantillons s\u00e9dimentaires pr\u00e9lev\u00e9s sur les carottes marines permet un apport significatif \u00e0 ce type d\u2019\u00e9tude. Le d\u00e9veloppement de cette m\u00e9thode automatique de tri est p\u00e9rennis\u00e9 pour la prochaine mandature avec le <strong>projet A*Midex MicroTree<\/strong> (2023-2025) port\u00e9 par <a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/thibault-de-garidel-thoron\/\">Thibault de Garidel<\/a> pour le d\u00e9veloppement d\u2019une <strong>seconde trieuse tr\u00e8s haut-d\u00e9bit<\/strong>, et par l\u2019<strong>Equipex-+ IMAGINE2<\/strong> (2021-2028) incluant un <strong>3eme automate associ\u00e9 \u00e0 un capteur RX<\/strong> pour le criblage de <strong>microparticules<\/strong> (collaboration \u00e9quipe ED).<br \/>Ces travaux prennent appui sur les nombreuses <strong>archives marines stock\u00e9es au CEREGE<\/strong> dans le cadre de projets soutenus par les tutelles et en interne. Nos archives seront bient\u00f4t compl\u00e9t\u00e9es par une <strong>couverture spatiale plus compl\u00e8te de l\u2019oc\u00e9an Indien tropical<\/strong> (campagne DipoMouss, programmable P1) et par le projet de campagne f\u00e9d\u00e9ratrice TransPac visant \u00e0 obtenir un <strong>transect zonal sub\u00e9quatorial<\/strong> complet de carottes s\u00e9dimentaires plio-pl\u00e9istoc\u00e8nes.<\/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-71a3e820\" data-id=\"71a3e820\" 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-27ad4cba elementor-widget elementor-widget-image\" data-id=\"27ad4cba\" 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\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-1024x768.jpg\" class=\"attachment-large size-large wp-image-4864\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-1024x768.jpg 1024w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-300x225.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-768x576.jpg 768w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-1536x1152.jpg 1536w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-16x12.jpg 16w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation-1320x990.jpg 1320w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_GolfduBengala_.AxePaleoMoussonEnso-Circulation.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-2f5291cd gallery-spacing-custom elementor-widget elementor-widget-image-gallery\" data-id=\"2f5291cd\" 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-2081 gallery-columns-3 gallery-size-large'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"2f5291cd\" 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768px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"2f5291cd\" data-elementor-lightbox-title=\"CEREGE_graviteair2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDg2NiwidXJsIjoiaHR0cHM6XC9cL3d3dy5jZXJlZ2UuZnJcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjJcLzEwXC9DRVJFR0VfZ3Jhdml0ZWFpcjIuanBlZyIsInNsaWRlc2hvdyI6IjJmNTI5MWNkIn0%3D\" href='https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_graviteair2.jpeg'><img decoding=\"async\" width=\"480\" height=\"640\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_graviteair2.jpeg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_graviteair2.jpeg 480w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_graviteair2-225x300.jpeg 225w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_graviteair2-9x12.jpeg 9w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"2f5291cd\" data-elementor-lightbox-title=\"CEREGE_calypso2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NDg2MywidXJsIjoiaHR0cHM6XC9cL3d3dy5jZXJlZ2UuZnJcL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjJcLzEwXC9DRVJFR0VfY2FseXBzbzIuanBlZyIsInNsaWRlc2hvdyI6IjJmNTI5MWNkIn0%3D\" href='https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_calypso2.jpeg'><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"640\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_calypso2.jpeg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_calypso2.jpeg 480w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_calypso2-225x300.jpeg 225w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2022\/10\/CEREGE_calypso2-9x12.jpeg 9w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5aab83d2 elementor-widget elementor-widget-text-editor\" data-id=\"5aab83d2\" 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>2023-2027 : <strong><a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/itch\/\">ITCH<\/a><\/strong><br \/><em>An Integrated Test of Climate Hypotheses: Paleoclimate Cycles and Plankton Evolution in the Pleistocene equatorial Indian Ocean<\/em><\/li><li>2021-2025: <a href=\"https:\/\/www.cerege.fr\/fr\/sciences\/climat\/projets-climat\/anr-marcara\/\"><strong>ANR MARCARA<\/strong> <\/a><br \/><em>MArine radioCArbon Reservoir Age variability and its implications in paleoceanography, paleoclimatology and geochronology<\/em><\/li><li>2020-2023: <strong><a href=\"https:\/\/www.cerege.fr\/sciences\/climat\/projets-climat\/anr-medsens\/\">ANR MedSens<\/a><\/strong>,<em><em> Mediterranean thermohaline circulation sensitivity: lessons from the past for future<\/em><\/em><\/li><li>2020-2023: <a href=\"https:\/\/www.cerege.fr\/fr\/these-et-post-docs-climat\/post-doc-cartapanis\"><strong>CYCLOCARB,<\/strong><\/a><em><em> Oceanic Carbon Cycling Response to Global Temperature Changes<\/em><\/em><\/li><li>2020-2022: <strong>INSU, LEFE, EC2CO Chemical<\/strong>, <em><em>Changements climatiques pass\u00e9s en Afrique Centrale et en Am\u00e9rique Centrale &#8211; Une approche isotopique et mol\u00e9culaire.&#8221;ANR iMonsoon- Clara Bolton<\/em><\/em><\/li><li>2019-2021: <strong>CYBER, LEFE AURORE,<\/strong> <em>Authigenic uranium precipitates on foraminiferal tests to reconstruct water oxygenation conditions: studies on proxy behaviour<\/em><\/li><\/ul>\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\t<\/div>\n\t\t<\/section>\n\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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Nous d\u00e9veloppons de nouvelles m\u00e9thodes pour reconstruire la circulation oc\u00e9anique et l\u2019oxyg\u00e9nation pass\u00e9e, par une approche bas\u00e9e sur la combinaison d&#8217;approches g\u00e9ochimiques (compositions isotopiques du n\u00e9odyme et du carbone des [&hellip;]<\/p>\n","protected":false},"author":551,"featured_media":16058,"parent":828,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2081","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-16 07:54:12","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/2081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/users\/551"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/comments?post=2081"}],"version-history":[{"count":5,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/2081\/revisions"}],"predecessor-version":[{"id":24369,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/2081\/revisions\/24369"}],"up":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media\/16058"}],"wp:attachment":[{"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/media?parent=2081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}