{"id":107941,"date":"2026-06-02T00:24:45","date_gmt":"2026-06-01T22:24:45","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=107941"},"modified":"2026-06-01T13:19:05","modified_gmt":"2026-06-01T11:19:05","slug":"zahady-obklopujici-zemske-jadro-co-se-deje-2-250-kilometru-pod-nasima-nohama","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/06\/02\/zahady-obklopujici-zemske-jadro-co-se-deje-2-250-kilometru-pod-nasima-nohama\/","title":{"rendered":"Z\u00e1hady obklopuj\u00edc\u00ed zemsk\u00e9 j\u00e1dro: Co se d\u011bje 2 250 kilometr\u016f pod na\u0161ima nohama?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span dir=\"auto\">Nov\u00e1 studie odhaluje dramatickou zm\u011bnu sm\u011bru proud\u011bn\u00ed tekut\u00e9ho vn\u011bj\u0161\u00edho j\u00e1dra Zem\u011b pod Tich\u00fdm oce\u00e1nem \u2013 ze slab\u00e9ho pohybu na z\u00e1pad k siln\u00e9mu proud\u011bn\u00ed na v\u00fdchod. Nikdo v\u0161ak nev\u00ed, pro\u010d tento proud tekut\u00e9ho \u017eeleza, tekouc\u00ed asi 2 250 kilometr\u016f pod na\u0161ima nohama, n\u00e1hle zm\u011bnil sm\u011br.<\/span><\/strong><\/p>\n<p><span dir=\"auto\">V\u011bdci analyzovali t\u00e9m\u011b\u0159 30 let dat ze satelit\u016f a pozemn\u00edch dat a zjistili, \u017ee tekut\u00e9 vn\u011bj\u0161\u00ed j\u00e1dro Zem\u011b kolem roku 2010 n\u00e1hle zm\u011bnilo sm\u011br sv\u00e9 rotace. Tato masa roztaven\u00e9ho \u017eeleza je to, co v prvn\u00ed \u0159ad\u011b umo\u017e\u0148uje \u017eivot na na\u0161\u00ed planet\u011b. V\u011bdci tak\u00e9 toto elektricky vodiv\u00e9 tekut\u00e9 \u017eelezn\u00e9 j\u00e1dro ozna\u010duj\u00ed jako \u201egeodynamo\u201c, proto\u017ee generuje magnetick\u00e9 pole dostate\u010dn\u011b siln\u00e9, aby chr\u00e1nilo Zemi p\u0159ed \u0161kodliv\u00fdm elektromagnetick\u00fdm z\u00e1\u0159en\u00edm Slunce. Pohled na na\u0161eho planet\u00e1rn\u00edho souseda Mars, kter\u00e9mu chyb\u00ed glob\u00e1ln\u00ed magnetick\u00e9 pole, ilustruje, jak d\u016fle\u017eit\u00fd je tento v\u00fdkonn\u00fd motor uvnit\u0159 Zem\u011b.<\/span><\/p>\n<p><span dir=\"auto\">Vzhledem k obrovsk\u00e9mu v\u00fdznamu magnetick\u00e9ho pole pro p\u0159e\u017eit\u00ed \u017eivota na na\u0161\u00ed planet\u011b se v\u011bdci po stalet\u00ed sna\u017e\u00ed pochopit dynamiku a chov\u00e1n\u00ed tohoto geodynama. Zd\u00e1 se v\u0161ak, \u017ee je st\u00e1le co u\u010dit. V nov\u00e9 studii publikovan\u00e9 v \u010dasopise Journal of Studies of Earth&#8217;s Deep Interior pod n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/jsedi.episciences.org\/articles\/17268\"><span dir=\"auto\">Principal component analysis of the 2010 reversal of core-surface flow before the Pacific Ocean\u201c (Anal\u00fdza hlavn\u00edch komponent proud\u011bn\u00ed mezi j\u00e1drem a povrchem pod Tich\u00fdm oce\u00e1nem<\/span><\/a><span dir=\"auto\">\u00a0v roce 2010) v\u011bdci z Edinbursk\u00e9 univerzity zjistili, \u017ee proud\u011bn\u00ed v tekut\u00e9m vn\u011bj\u0161\u00edm j\u00e1dru pod rovn\u00edkov\u00fdm Tich\u00fdm oce\u00e1nem dramaticky zm\u011bnilo sm\u011br kolem roku 2010. To je v rozporu s p\u0159edchoz\u00edm p\u0159edpokladem, \u017ee proudy ve vn\u011bj\u0161\u00edm j\u00e1dru se pohybuj\u00ed p\u0159ev\u00e1\u017en\u011b na z\u00e1pad \u2013 i kdy\u017e v centr\u00e1ln\u00edm Pacifiku, pod rozs\u00e1hl\u00fdmi vodn\u00edmi plochami, obvykle jen slab\u011b.<\/span><\/p>\n<figure class=\"wp-block-embed is-type-rich is-provider-x wp-block-embed-x\">\n<div class=\"wp-block-embed__wrapper\">\n<div class=\"twitter-tweet twitter-tweet-rendered\"><iframe id=\"twitter-widget-0\" class=\"\" title=\"X Post\" src=\"https:\/\/platform.twitter.com\/embed\/Tweet.html?dnt=true&amp;embedId=twitter-widget-0&amp;features=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%3D%3D&amp;frame=false&amp;hideCard=false&amp;hideThread=false&amp;id=2057877634047234305&amp;lang=cs&amp;origin=https%3A%2F%2Freport24.news%2Fraetsel-um-den-erdkern-was-geschieht-2-250-kilometer-unter-unseren-fuessen%2F&amp;sessionId=f8980661fd16f4aa471bb897e34382e91d4d6650&amp;theme=light&amp;widgetsVersion=6a3ad42b224df%3A1778106238597&amp;width=550px\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\" data-tweet-id=\"2057877634047234305\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<\/div>\n<\/figure>\n<p><span dir=\"auto\">\u201eRozs\u00e1hl\u00e1 zm\u011bna sm\u011bru proud\u011bn\u00ed pod Tich\u00fdm oce\u00e1nem vyvol\u00e1v\u00e1 nov\u00e9 ot\u00e1zky ohledn\u011b chov\u00e1n\u00ed hlubok\u00e9ho nitra Zem\u011b,\u201c\u00a0<\/span><a href=\"https:\/\/www.popularmechanics.com\/science\/environment\/a71412331\/molten-core\/\"><span dir=\"auto\">vysv\u011btlil<\/span><\/a><span dir=\"auto\"> v tiskov\u00e9 zpr\u00e1v\u011b vedouc\u00ed studie Frederik Dahl Madsen z Edinbursk\u00e9 univerzity. \u201eV\u011bdci nyn\u00ed cht\u011bj\u00ed pochopit, zda tato zm\u011bna p\u0159edstavuje pouze kr\u00e1tkodob\u00e9 kol\u00eds\u00e1n\u00ed, je sou\u010d\u00e1st\u00ed opakuj\u00edc\u00edho se cyklu, nebo zna\u010d\u00ed nov\u00fd stabiln\u00ed stav cirkulace v j\u00e1dru.\u201c<\/span><\/p>\n<p><span dir=\"auto\">Madsen a jeho t\u00fdm zkombinovali t\u00e9m\u011b\u0159 t\u0159i desetilet\u00ed dat z pozemn\u00edch m\u011b\u0159en\u00ed a satelitn\u00edch pozorov\u00e1n\u00ed. Mezi tato data pat\u0159ily mise CryoSat a Swarm Evropsk\u00e9 kosmick\u00e9 agentury (ESA) a tak\u00e9 n\u011bmeck\u00e9 satelity CHAMP a \u00d8rsted. Analyzovan\u00e1 data uk\u00e1zala, \u017ee tekut\u00e9 \u017eelezo se od roku 1997 do roku 2010 slab\u011b pohybovalo sm\u011brem na z\u00e1pad, ne\u017e se v\u00fdrazn\u011b posunulo sm\u011brem na v\u00fdchod. V\u011bdci v\u0161ak zjistili, \u017ee od roku 2020 tento pohyb op\u011bt sl\u00e1bne. V\u00fdzkumn\u00edci nazna\u010duj\u00ed, \u017ee by to mohlo souviset s procesy ve vnit\u0159n\u00edm j\u00e1dru Zem\u011b.<\/span><\/p>\n<p><span dir=\"auto\">Drastick\u00e1 zm\u011bna sm\u011bru proud\u011bn\u00ed pod Tich\u00fdm oce\u00e1nem neohroz\u00ed ani magnetick\u00e9 pole Zem\u011b, ani p\u0159e\u017eit\u00ed na\u0161eho druhu. Nicm\u00e9n\u011b vytv\u00e1\u0159\u00ed d\u016fle\u017eitou souvislost mezi proudy tekut\u00e9ho vn\u011bj\u0161\u00edho j\u00e1dra a procesy prob\u00edhaj\u00edc\u00edmi je\u0161t\u011b hloub\u011bji uvnit\u0159 Zem\u011b. Je to proto, \u017ee masy kov\u016f, kter\u00e9 vznikly v zemsk\u00e9m j\u00e1dru, neust\u00e1le stoupaj\u00ed k povrchu a ovliv\u0148uj\u00ed tak magnetick\u00e9 pole Zem\u011b.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1185\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2021\/04\/kuryr-podpis.png\" alt=\"\" width=\"84\" height=\"24\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nov\u00e1 studie odhaluje dramatickou zm\u011bnu sm\u011bru proud\u011bn\u00ed tekut\u00e9ho vn\u011bj\u0161\u00edho j\u00e1dra Zem\u011b pod Tich\u00fdm oce\u00e1nem \u2013&#8230;<\/p>\n","protected":false},"author":2,"featured_media":107942,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[11074,65,1561,2309],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/107941"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=107941"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/107941\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/107942"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=107941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=107941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=107941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}