{"id":977,"date":"2012-07-19T23:00:00","date_gmt":"2012-07-19T22:00:00","guid":{"rendered":"http:\/\/www.laterredufutur.com\/wordpress\/?p=977"},"modified":"2012-07-19T23:00:00","modified_gmt":"2012-07-19T22:00:00","slug":"une-tendance-au-refroidissement-a-long-terme","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/une-tendance-au-refroidissement-a-long-terme\/","title":{"rendered":"Une tendance au refroidissement \u00e0 long terme"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"973\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-tendance-au-refroidissement-a-long-terme\/nature-climate\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/nature-climate.jpg?fit=120%2C36&amp;ssl=1\" data-orig-size=\"120,36\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"nature-climate\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/nature-climate.jpg?fit=120%2C36&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/nature-climate.jpg?fit=120%2C36&amp;ssl=1\" class=\" alignleft size-full wp-image-973\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/07\/nature-climate.jpg?resize=120%2C36\" border=\"0\" alt=\"nature climate\" align=\"left\" width=\"120\" height=\"36\" \/>La dendrochronologie (datation par cercles des arbres) offre aux chercheurs des informations cl\u00e9s sur certains aspects des \u00e9cologies pass\u00e9es, telles que le climat. Prenant avantage de l&rsquo;opportunit\u00e9 d&rsquo;\u00e9valuer les cercles des arbres, une \u00e9quipe internationale de chercheurs a pu reconstituer le climat de l&rsquo;Europe du nord au cours des 2000 derni\u00e8res ann\u00e9es. Les r\u00e9sultats, pr\u00e9sent\u00e9s dans la revue Nature Climate Change, r\u00e9v\u00e8lent que la tendance \u00e0 long terme de cette p\u00e9riode penchait vers le refroidissement climatique.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">   <br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Sous la direction de la Johannes Gutenberg University Mainz (JGU), des chercheurs de Finlande, d&rsquo;Allemagne, de Suisse et du Royaume-Uni ont utilis\u00e9 les mesures de densit\u00e9 des cercles d&rsquo;arbres de pins subfossiles de Laponie (Finlande) afin de reconstituer le climat de l&rsquo;an 138 avant J.C.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">\u00abNous avons d\u00e9couvert que les estimations pr\u00e9c\u00e9dentes des temp\u00e9ratures historiques au cours de l&rsquo;\u00e9poque de l&rsquo;Empire romain et du Moyen \u00c2ge \u00e9taient trop faibles\u00bb, affirme l&rsquo;auteur principal, professeur Jan Esper de l&rsquo;institut de g\u00e9ographie au JGU. \u00abDe tels r\u00e9sultats sont \u00e9galement significatifs par rapport \u00e0 la politique climatique, \u00e9tant donn\u00e9 qu&rsquo;ils influenceront la fa\u00e7on dont les changements climatiques actuels sont observ\u00e9s dans le cadre des p\u00e9riodes historiquement chaudes.\u00bb<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"974\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-tendance-au-refroidissement-a-long-terme\/refroidissement-a\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?fit=450%2C199&amp;ssl=1\" data-orig-size=\"450,199\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"refroidissement-a\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?fit=300%2C133&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?fit=450%2C199&amp;ssl=1\" class=\" size-full wp-image-974\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?resize=450%2C199\" border=\"0\" width=\"450\" height=\"199\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-a.jpg?resize=300%2C133&amp;ssl=1 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Notre plan\u00e8te aujourd&rsquo;hui est-elle plus chaude qu&rsquo;aux \u00e9poques romaine et m\u00e9di\u00e9vale? La pal\u00e9oclimatologie a offert aux chercheurs la chance de le d\u00e9couvrir. En g\u00e9n\u00e9ral, l&rsquo;analyse des carottes glaciaires et s\u00e9diments oc\u00e9aniques aide les experts \u00e0 esquisser le pass\u00e9. Mais les cercles des arbres r\u00e9v\u00e8lent aussi des informations cl\u00e9s, en offrant aux scientifiques un aper\u00e7u sur les conditions climatiques chaudes et froides d&rsquo;il y a 2000 ans.<\/span><\/span><\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"975\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-tendance-au-refroidissement-a-long-terme\/refroidissement-b\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?fit=450%2C186&amp;ssl=1\" data-orig-size=\"450,186\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"refroidissement-b\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?fit=300%2C124&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?fit=450%2C186&amp;ssl=1\" class=\" size-full wp-image-975\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?resize=450%2C186\" border=\"0\" width=\"450\" height=\"186\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-b.jpg?resize=300%2C124&amp;ssl=1 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Dans le cadre de cette \u00e9tude, les chercheurs ont utilis\u00e9 des mesures de densit\u00e9 \u00e0 partir de pins subfossiles des fin fonds de la r\u00e9gion nordique afin d&rsquo;\u00e9tablir la s\u00e9quence n\u00e9cessaire. D&rsquo;apr\u00e8s eux, \u00e9tant donn\u00e9 que les mesures de densit\u00e9s sont \u00e9troitement li\u00e9es aux temp\u00e9ratures estivales dans cette r\u00e9gion au bout de la ta\u00efga nordique (soit la for\u00eat bor\u00e9ale), il leur \u00e9tait possible de cr\u00e9er une reconstitution de haute qualit\u00e9 des temp\u00e9ratures.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">D&rsquo;apr\u00e8s les chercheurs, ils ont abouti \u00e0 une repr\u00e9sentation haute r\u00e9solution des mod\u00e8les de temp\u00e9rature aux p\u00e9riodes chaudes romaines et m\u00e9di\u00e9vales, et ont observ\u00e9 que les phases de froid ont \u00e9merg\u00e9 lors de la p\u00e9riode de Migration et au Petit \u00e2ge de glace. Sur la base de leur reconstitution, l&rsquo;\u00e9quipe a montr\u00e9 que la tendance implique un refroidissement de -0,3 degr\u00e9s Celsius par mill\u00e9naire d\u00fb \u00e0 des changements graduels de la position du Soleil et une augmentation de la distance entre le Soleil et la Terre.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"976\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-tendance-au-refroidissement-a-long-terme\/refroidissement-c\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?fit=450%2C282&amp;ssl=1\" data-orig-size=\"450,282\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"refroidissement-c\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?fit=300%2C188&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?fit=450%2C282&amp;ssl=1\" class=\" size-full wp-image-976\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?resize=450%2C282\" border=\"0\" width=\"450\" height=\"282\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/refroidissement-c.jpg?resize=300%2C188&amp;ssl=1 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">\u00abCe chiffre que nous avons calcul\u00e9 peut ne pas para\u00eetre particuli\u00e8rement significatif\u00bb, affirme le professeur Esper. \u00abToutefois, il est \u00e9galement non n\u00e9gligeable lorsque compar\u00e9 au r\u00e9chauffement plan\u00e9taire, qui jusqu&rsquo;\u00e0 pr\u00e9sent a \u00e9t\u00e9 inf\u00e9rieur \u00e0 1 degr\u00e9 Celsius. Nos r\u00e9sultats sugg\u00e8rent que la reconstitution du climat \u00e0 grande \u00e9chelle pr\u00e9sent\u00e9e par le Groupe d&rsquo;experts intergouvernemental sur l&rsquo;\u00e9volution du climat (GIEC) semble sous-estimer cette tendance de refroidissement \u00e0 long terme au cours des derniers mill\u00e9naires.\u00bb<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">source :\u00a0<a href=\"http:\/\/cordis.europa.eu\/\">http:\/\/cordis.europa.eu\/<\/a> \/\u00a0<a href=\"http:\/\/www.nature.com\/\">http:\/\/www.nature.com<\/a><\/span><\/span><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"977\">(496)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img loading=\"lazy\" decoding=\"async\" class=\" alignleft size-full wp-image-973\" src=\"http:\/\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/07\/nature-climate.jpg\" border=\"0\" alt=\"nature climate\" align=\"left\" width=\"120\" height=\"36\" \/>La dendrochronologie (datation par cercles des arbres) offre aux chercheurs des informations cl\u00e9s sur certains aspects des \u00e9cologies pass\u00e9es, telles que le climat. Prenant avantage de l&rsquo;opportunit\u00e9 d&rsquo;\u00e9valuer les cercles des arbres, une \u00e9quipe internationale de chercheurs a pu reconstituer le climat de l&rsquo;Europe du nord au cours des 2000 derni\u00e8res ann\u00e9es. Les r\u00e9sultats, pr\u00e9sent\u00e9s dans la revue Nature Climate Change, r\u00e9v\u00e8lent que la tendance \u00e0 long terme de cette p\u00e9riode penchait vers le refroidissement climatique.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"> <\/p>\n","protected":false},"author":1,"featured_media":973,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[20],"tags":[41,365,662,236,437,169,170],"class_list":["post-977","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-climat","tag-climat","tag-giec","tag-long-terme","tag-modeles","tag-nature","tag-rechauffement-climatique","tag-refroidissement-climatique","wpcat-20-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/07\/nature-climate.jpg?fit=120%2C36&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-fL","jetpack-related-posts":[{"id":10896,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-arbres-ont-parle-les-romains-avaient-plus-chaud-que-nous-en-ete\/","url_meta":{"origin":977,"position":0},"title":"Les arbres ont parl\u00e9 : les Romains avaient plus chaud que nous en \u00e9t\u00e9","author":"Admin","date":"3 f\u00e9vrier 2016","format":false,"excerpt":"La densit\u00e9 du bois au sein des anneaux de croissance des pins scandinaves fournit de nouvelles informations sur notre climat pass\u00e9. Les Romains pourraient, par exemple, avoir eu plus chaud que nous durant les mois d'\u00e9t\u00e9. La Terre se serait \u00e9galement refroidie durant 2.000 ans, jusqu\u2019\u00e0 ce que l\u2019Homme commence\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/cernes-arbres.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/cernes-arbres.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/cernes-arbres.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/cernes-arbres.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":19284,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-romains-avaient-plus-chaud-que-nous-en-ete\/","url_meta":{"origin":977,"position":1},"title":"Les Romains avaient plus chaud que nous en \u00e9t\u00e9","author":"Admin","date":"17 juillet 2019","format":false,"excerpt":"La densit\u00e9 du bois au sein des anneaux de croissance des pins scandinaves fournit de nouvelles informations sur notre climat pass\u00e9. Les Romains pourraient, par exemple, avoir eu plus chaud que nous durant les mois d'\u00e9t\u00e9. La Terre se serait \u00e9galement refroidie durant 2.000 ans, jusqu'\u00e0 ce que l'Homme commence\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/empire-romain.jpg?fit=1100%2C578&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/empire-romain.jpg?fit=1100%2C578&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/empire-romain.jpg?fit=1100%2C578&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/empire-romain.jpg?fit=1100%2C578&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/06\/empire-romain.jpg?fit=1100%2C578&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":4202,"url":"https:\/\/www.laterredufutur.com\/accueil\/lhimalaya-est-une-pompe-a-carbone-qui-refroidit-le-climat\/","url_meta":{"origin":977,"position":2},"title":"L\u2019Himalaya est une pompe \u00e0 carbone qui refroidit le climat","author":"Admin","date":"21 novembre 2007","format":false,"excerpt":"Les montagnes jeunes situ\u00e9es en zone tropicale, comme l'Himalaya, subissent une \u00e9rosion intense qui tend \u00e0 appauvrir l'atmosph\u00e8re en dioxyde de carbone (CO2), ce sont des pompes \u00e0 carbone qui refroidissent le climat. L\u2019Himalaya serait donc une gigantesque pompe \u00e0 carbone efficace, selon les conclusions d\u2019une \u00e9tude de Valier Galy\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2255,"url":"https:\/\/www.laterredufutur.com\/accueil\/hiatus-climatique-un-refroidissement-naturel\/","url_meta":{"origin":977,"position":3},"title":"Hiatus climatique: un refroidissement naturel?","author":"Admin","date":"6 novembre 2014","format":false,"excerpt":"Depuis 1998, le r\u00e9chauffement climatique est moins important que pr\u00e9vu par les mod\u00e8les. Cette pause climatique intrigue les scientifiques et enflamment les climato-sceptiques. R\u00e9guli\u00e8rement, de nouvelles hypoth\u00e8ses sont avanc\u00e9es pour tenter d'expliquer le ph\u00e9nom\u00e8ne. La derni\u00e8re en date repose sur de la statistique. \u00a0","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/11\/laterredufutur.com_photos_climat-refroidissement-2014-1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":939,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-minimas-dactivite-solaire-a-lorigine-dun-evenement-climatique-dans-lage-de-fer-pre-romain\/","url_meta":{"origin":977,"position":4},"title":"Les minimas d&rsquo;activit\u00e9 solaire \u00e0 l&rsquo;origine d&rsquo;un \u00e9v\u00e8nement climatique dans l&rsquo;\u00e2ge de fer pr\u00e9-romain","author":"Admin","date":"3 juin 2012","format":false,"excerpt":"Une \u00e9quipe de chercheurs europ\u00e9ens a d\u00e9couvert qu'un grand minimum d'activit\u00e9 solaire peut affecter les conditions m\u00e9t\u00e9orologiques. Des scientifiques du centre allemand de recherches en g\u00e9osciences (GFZ), en collaboration avec des coll\u00e8gues n\u00e9erlandais et su\u00e9dois, ont apport\u00e9 des preuves sur le rapport entre un climat\/activit\u00e9 solaire sur plusieurs centaines d'ann\u00e9es.\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/04\/soleil-calme.jpg?fit=225%2C225&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2573,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-groenland-se-refroidit\/","url_meta":{"origin":977,"position":5},"title":"Le Groenland se refroidit","author":"Admin","date":"12 d\u00e9cembre 2004","format":false,"excerpt":"Pendant que l'on parle de r\u00e9chauffement global, que l'on parle de la fonte du permafrost autour du cercle polaire, que l'on parle de la fonte de la banquise dans l'artique, le Groenland montre des signes de refroidissement. 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Que se cache t-il derri\u00e8re ces faits ?\u2026","rel":"","context":"Dans &quot;Climat&quot;","block_context":{"text":"Climat","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/climat\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/groenland.jpeg?fit=450%2C332&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=977"}],"version-history":[{"count":0,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/977\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/973"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}