{"id":7972,"date":"2015-08-31T21:30:57","date_gmt":"2015-08-31T19:30:57","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=7972"},"modified":"2015-09-01T17:20:17","modified_gmt":"2015-09-01T15:20:17","slug":"lactivite-solaire-actuelle-est-plus-faible-que-celle-du-minimum-de-dalton","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/lactivite-solaire-actuelle-est-plus-faible-que-celle-du-minimum-de-dalton\/","title":{"rendered":"L&rsquo;activit\u00e9 solaire actuelle est plus faible que celle du minimum de Dalton"},"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;\">Selon la NASA, le cycle des taches solaires que \u00a0nous traversons &#8211; le\u00a0cycle 24 &#8211; est le plus faible depuis\u00a0le cycle 14, qui a pris fin en 1906. Cela est inexact, nous dit JH Walker.\u00a0\u00bbLe probl\u00e8me avec le nombre de taches solaires de la NASA est que ceux-ci sont gonfl\u00e9s par chaque fragment \u00e0\u00a0d\u00e9faut et en place en raison de l&rsquo;optique qu&rsquo;ils utilisent\u00bb, explique Walker.<\/p>\n<p style=\"text-align: justify;\">Si vous utilisez la m\u00e9thode de comptage des taches solaires de Landscheidt, qui ne compte que les taches qui peuvent \u00eatre vues avec une optique de\u00a040MM, vous vous rendez compte que le comptage\u00a0est inf\u00e9rieur au\u00a0cycle solaire N\u00b0 5. Ce cycle solaire a commenc\u00e9 en mai 1798 et a pris fin en D\u00e9cembre 1810. Il correspond aussi avec le minimum de Dalton. Le minimum de Dalton, une p\u00e9riode de faible activit\u00e9 solaire d\u00e9nomm\u00e9e d&rsquo;apr\u00e8s le m\u00e9t\u00e9orologiste anglais John Dalton, qui a dur\u00e9 de 1790 \u00e0 1830, dit Wikipedia. Comme le minimum de Maunder et le minimum de Sp\u00f6rer, le minimum de Dalton a co\u00efncid\u00e9 avec une p\u00e9riode o\u00f9 les temp\u00e9ratures mondiales\u00a0ont \u00e9t\u00e9 plus\u00a0faibles que la moyenne. La station Oberlach en Allemagne, par exemple, a connu une baisse de 2,0 c \u00b0 sur plus de 20 ans. L&rsquo;\u00abann\u00e9e sans \u00e9t\u00e9\u00bb a \u00e9galement eu lieu au cours de la Minimum de Dalton.\u00a0\u00bbLa m\u00e9thode de comptage de la NASA n&rsquo;a aucun rapport avec les m\u00e9thodes utilis\u00e9es dans les minimums solaires pr\u00e9c\u00e9dents, dit Walker. \u00ab\u00a0D&rsquo;o\u00f9 la comparaison avec le SC14 1906 plut\u00f4t que le SC5 1798.\u00a0\u00bb<\/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;\"><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Traduction et adaptation de TDF<\/a><\/p>\n<p style=\"text-align: justify;\">source :\u00a0<a href=\"http:\/\/iceagenow.info\/\" target=\"_blank\">http:\/\/iceagenow.info\/<\/a><\/p>\n<figure id=\"attachment_7973\" aria-describedby=\"caption-attachment-7973\" style=\"width: 1300px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"7973\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lactivite-solaire-actuelle-est-plus-faible-que-celle-du-minimum-de-dalton\/sc5_sc24_laymans-count-comparison\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?fit=1300%2C800&amp;ssl=1\" data-orig-size=\"1300,800\" 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=\"sc5_sc24_Laymans-Count-Comparison\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?fit=800%2C492&amp;ssl=1\" class=\"wp-image-7973 size-full\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?resize=1300%2C800\" alt=\"sc5_sc24_Laymans-Count-Comparison\" width=\"1300\" height=\"800\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?w=1300&amp;ssl=1 1300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?resize=300%2C185&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?resize=800%2C492&amp;ssl=1 800w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption id=\"caption-attachment-7973\" class=\"wp-caption-text\">cycle solaire 24 et cycle solaire 5 des taches solaires<\/figcaption><\/figure>\n<p class=\"bawpvc-ajax-counter\" data-id=\"7972\">(975)<\/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>Selon la NASA, le cycle des taches solaires que \u00a0nous traversons &#8211; le\u00a0cycle 24 &#8211; est le plus faible depuis\u00a0le&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7973,"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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[24],"tags":[4633,4632,3594,1203,3517,37,369],"class_list":["post-7972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soleil","tag-cycle-n24","tag-cycle-n5","tag-cycles-solaires","tag-dalton","tag-minimum-de-dalton","tag-soleil","tag-taches-solaires","wpcat-24-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/08\/sc5_sc24_Laymans-Count-Comparison.png?fit=1300%2C800&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-24A","jetpack-related-posts":[{"id":4712,"url":"https:\/\/www.laterredufutur.com\/accueil\/cycle-solaire-24-ou-minimum-de-dalton\/","url_meta":{"origin":7972,"position":0},"title":"Cycle solaire 24 ou minimum de Dalton","author":"Admin","date":"2 janvier 2009","format":false,"excerpt":"Vers un minimum de Dalton, nous avions vu certains points dans cet article. Depuis maintenant 1 an, le cycle solaire N\u00b024 a d\u00e9but\u00e9, il est toujours aussi pr\u00e9sent par son absence et son manque de t\u00e2ches solaires. Le d\u00e9but du cycle solaire 24 semble\u00a0s'\u00eatre mat\u00e9rialis\u00e9\u00a0puis a\u00a0abruptement disparu. La tache solaire\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/cycl3x.gif?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/cycl3x.gif?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/cycl3x.gif?resize=525%2C300 1.5x"},"classes":[]},{"id":4018,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-refroidissement-global-est-en-cours\/","url_meta":{"origin":7972,"position":1},"title":"Le refroidissement global est en cours !","author":"Admin","date":"5 juin 2007","format":false,"excerpt":"Pr\u00e9vision solaire de la baisse prochaine de la temp\u00e9rature terrestre par David Archibald de la NASA. Voici une pr\u00e9vision solaire de ce physicien de la NASA qui nous annonce donc une prochaine d\u00e9cennie qui nous apportera un refroidissement sur l'ensemble du globe. Et si ce refroidissement avait commenc\u00e9 ! Si\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":18258,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-cycle-solaire-le-plus-calme-des-200-dernieres-annees\/","url_meta":{"origin":7972,"position":2},"title":"Le cycle solaire le plus calme des 200 derni\u00e8res ann\u00e9es","author":"Admin","date":"5 f\u00e9vrier 2019","format":false,"excerpt":"Le cycle solaire 24 a eu la plus faible activit\u00e9 solaire depuis le minimum de Dalton vers 1810. Par Frank Bosse et Fritz Vahrenholt. Notre soleil \u00e9tait \u00e9galement tr\u00e8s peu actif en d\u00e9cembre 2018. Nous d\u00e9passions le 121\u00e8me mois depuis le d\u00e9but du cycle num\u00e9ro 24. Tous les autres mois\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/cycle-24-cycle25.png?fit=1200%2C912&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/cycle-24-cycle25.png?fit=1200%2C912&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/cycle-24-cycle25.png?fit=1200%2C912&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/cycle-24-cycle25.png?fit=1200%2C912&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/cycle-24-cycle25.png?fit=1200%2C912&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5339,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-nouveau-minimum-de-dalton-en-vue\/","url_meta":{"origin":7972,"position":3},"title":"Un nouveau minimum de Dalton en vue","author":"Admin","date":"21 avril 2010","format":false,"excerpt":"C. de Jager, S. Duhau viennent de faire des pr\u00e9visions des param\u00e8tres du cycle\u00a024, et de ses\u00a0taches solaires ainsi que ce qui en d\u00e9coule. Journal of Atmospheric and Solar-Terrestrial Physics. R\u00e9sum\u00e9. la variabilit\u00e9 solaire est contr\u00f4l\u00e9e par la dynamo interne qui est un syst\u00e8me non lin\u00e9aire. Nous d\u00e9veloppons une m\u00e9thode\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\/spaw\/images\/jager.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/jager.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/jager.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":4801,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-cycle-solaire-toujours-aussi-bas\/","url_meta":{"origin":7972,"position":4},"title":"le Cycle solaire toujours aussi bas","author":"Admin","date":"13 mars 2009","format":false,"excerpt":"L'activit\u00e9 solaire, en d\u00e9pit des pr\u00e9visions, continue \u00e0 se maintenir extr\u00eamement basse,\u00a0sa dilatation\u00a0est au\u00a0minimum\u00a0et d\u00e9finir un fait\u00a0exceptionnel est maintenant un euphemisme. Le mois de F\u00e9vrier a\u00a0fini avec une moyenne journali\u00e8re de taches solaires \u00e0 1.4. Le\u00a0r\u00e9sultat du mois de f\u00e9vrier qui s'est termin\u00e9 en de\u00e7a du mois de janvier. Les\u2026","rel":"","context":"Dans &quot;Soleil&quot;","block_context":{"text":"Soleil","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/soleil\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mars2009.jpg?fit=450%2C322&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":4648,"url":"https:\/\/www.laterredufutur.com\/accueil\/vers-un-minimum-de-dalton\/","url_meta":{"origin":7972,"position":5},"title":"Vers un minimum de Dalton","author":"Admin","date":"22 octobre 2008","format":false,"excerpt":"image de la Seine gel\u00e9e au XIX eme si\u00e8cle. Il ya une autre fa\u00e7on de voir les cycles solaires. Les cycles solaires commencent r\u00e9ellement par l'inversion magn\u00e9tique poche de la cr\u00eate du cycle pr\u00e9c\u00e9dent. Les taches solaires prennent sept ans pour\u00a0devenir \u00e9videntes \u00e0 la surface du soleil. Presque tous les\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\/2015\/04\/1879-C.jpg?fit=450%2C350&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\/7972","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=7972"}],"version-history":[{"count":5,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/7972\/revisions"}],"predecessor-version":[{"id":7981,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/7972\/revisions\/7981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/7973"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=7972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=7972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=7972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}