{"id":25630,"date":"2024-09-12T11:11:28","date_gmt":"2024-09-12T09:11:28","guid":{"rendered":"https:\/\/www.cerege.fr\/?page_id=25630"},"modified":"2024-09-17T17:59:19","modified_gmt":"2024-09-17T15:59:19","slug":"aeon-anr-prci-2","status":"publish","type":"page","link":"https:\/\/www.cerege.fr\/en\/sciences\/climat\/projets-climat\/aeon-anr-prci\/","title":{"rendered":"AEON (ANR - PRCI)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"25630\" class=\"elementor elementor-25630\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-79dc85fb elementor-section-full_width elementor-section-height-min-height elementor-section-height-default elementor-section-items-middle\" data-id=\"79dc85fb\" 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-336b4a77\" data-id=\"336b4a77\" 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-3dd6678d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dd6678d\" 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-42655d46\" data-id=\"42655d46\" 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-12fc31a4 elementor-widget elementor-widget-shortcode\" data-id=\"12fc31a4\" 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-54c23716 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"54c23716\" 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-5930e5e6\" data-id=\"5930e5e6\" 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-53af0efe elementor-widget elementor-widget-text-editor\" data-id=\"53af0efe\" 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;\">Les \u00e9ruptions volcaniques et les \u00e9v\u00e9nements solaires extr\u00eames (ou Solar Proton Events (SPE)) contribuent de mani\u00e8re significative \u00e0 la variabilit\u00e9 de la composition chimique et \u00e0 la dynamique de la stratosph\u00e8re, qui peut, \u00e0 son tour, affecter le couplage vertical entre la stratosph\u00e8re et la troposph\u00e8re. Nos connaissances des \u00e9v\u00e9nements solaires et volcaniques pass\u00e9s sont bas\u00e9es sur l&#8217;interpr\u00e9tation d\u2019enregistrements dans les carottes de glace, des nucl\u00e9ides cosmog\u00e9niques du b\u00e9rylium-10 (<sup>10<\/sup>Be) et le chlore-36 (<sup>36<\/sup>Cl), et du sulfate, respectivement.<\/p><p style=\"font-weight: 400;\">Le <sup>10<\/sup>Be est un indicateur de l\u2019activit\u00e9 solaire pass\u00e9e mais il est grandement affect\u00e9 par les \u00e9ruptions volcaniques stratosph\u00e9riques. Le rapport <sup>36<\/sup>Cl\/<sup>10<\/sup>Be est utilis\u00e9 pour les reconstitutions des spectres d&#8217;\u00e9nergie des SPE, pourtant, en dehors de ces \u00e9v\u00e9nements solaires, le rapport diff\u00e8re de mani\u00e8re significative des pr\u00e9dictions des mod\u00e8les th\u00e9oriques de production probablement \u00e0 cause de modes de transport, de d\u00e9p\u00f4t, et d\u2019effets post-d\u00e9p\u00f4t du <sup>10<\/sup>Be et du <sup>36<\/sup>Cl, diff\u00e9rents. Le rapport <sup>36<\/sup>Cl\/<sup>10<\/sup>Be doit donc \u00eatre \u00e9tudi\u00e9\/mod\u00e9lis\u00e9 individuellement pour chaque \u00e9v\u00e9nement volcanique ou solaire et pour un site d\u2019\u00e9tude donn\u00e9. Le projet AEON repose sur une approche donn\u00e9es-mod\u00e8le, utilisant des mesures de haute pr\u00e9cision des nucl\u00e9ides cosmog\u00e9niques et le mod\u00e8le a\u00e9rosol-chimie-climat SOCOLv4. Les objectifs sont 1- d\u2019obtenir de nouvelles donn\u00e9es de <sup>10<\/sup>Be et de <sup>36<\/sup>Cl \u00e0 partir de la carotte de glace de Talos Dome (Antarctique) autour des SPE connus et de rechercher de nouveaux SPE entre 0 et 1000CE 2- d\u2019am\u00e9liorer la compr\u00e9hension du rapport isotopique <sup>36<\/sup>Cl\/<sup>10<\/sup>Be pour la d\u00e9termination du spectre d\u2019\u00e9nergie des SPE et ainsi am\u00e9liorer les reconstructions de l\u2019activit\u00e9 solaire pass\u00e9e 3- de clarifier le r\u00f4le des a\u00e9rosols volcaniques dans le transport et du d\u00e9p\u00f4t du <sup>10<\/sup>Be 4- de caract\u00e9riser les effets des \u00e9ruptions volcaniques et des SPE pass\u00e9s, sur la stratosph\u00e8re, sur les \u00e9changes stratosph\u00e8re\/troposph\u00e8re et sur la dynamique de la troposph\u00e8re.<\/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-322f719b\" data-id=\"322f719b\" 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-5340f4e0 elementor-widget elementor-widget-text-editor\" data-id=\"5340f4e0\" 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<h2><span style=\"font-weight: normal;\">2024-2028 : ANR \u2013 PRCI (Projet de Recherche collaboratif international) AEON <\/span><\/h2><p>Responsable CEREGE : <br \/><strong><a href=\"https:\/\/www.cerege.fr\/fr\/cerege\/melanie-baroni\/\">M\u00e9lanie Baroni<\/a><br \/><\/strong><br \/><em>Ev\u00e9nements volcaniques et solaires extr\u00eames du pass\u00e9: \u00e9tudes de leurs effets sur la circulation atmosph\u00e9rique et sur l&#8217;enregistrement des nucl\u00e9ides cosmog\u00e9niques dans les archives glaciaires<\/em><\/p><p class=\"Standard\"><strong>Participants au CEREGE<\/strong> :<\/p><p class=\"Standard\">Edouard Bard, M. Karim KEDDADOUCHE, M. Georges AUMAITRE, M. Fawzi ZAIDI.<\/p><div><b>Responsable du projet (Suisse):<\/b><\/div><p style=\"font-weight: 400;\">Dr. Timofei SUKHODOLOV (Physikalisch-Meteorologische Observatorium Davos\/World Radiation Center, Davos)<\/p>\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-42587aea elementor-widget elementor-widget-image\" data-id=\"42587aea\" 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=\"534\" src=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-1024x683.jpg\" class=\"attachment-large size-large wp-image-24161\" alt=\"\" srcset=\"https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-1024x683.jpg 1024w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-300x200.jpg 300w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-768x512.jpg 768w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-1536x1024.jpg 1536w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-18x12.jpg 18w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1-1320x880.jpg 1320w, https:\/\/www.cerege.fr\/wp-content\/uploads\/2024\/06\/texture-fond-blanc-1.jpg 1920w\" 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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-75253949 elementor-widget elementor-widget-spacer\" data-id=\"75253949\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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-a4075 elementor-widget elementor-widget-spacer\" data-id=\"a4075\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les \u00e9ruptions volcaniques et les \u00e9v\u00e9nements solaires extr\u00eames (ou Solar Proton Events (SPE)) contribuent de mani\u00e8re significative \u00e0 la variabilit\u00e9 de la composition chimique et \u00e0 la dynamique de la [&hellip;]<\/p>\n","protected":false},"author":749,"featured_media":16058,"parent":4955,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-25630","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-11 12:12:43","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\/25630","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\/749"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/comments?post=25630"}],"version-history":[{"count":5,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/25630\/revisions"}],"predecessor-version":[{"id":25860,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/25630\/revisions\/25860"}],"up":[{"embeddable":true,"href":"https:\/\/www.cerege.fr\/en\/wp-json\/wp\/v2\/pages\/4955"}],"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=25630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}