{"id":29189,"date":"2026-03-19T11:57:07","date_gmt":"2026-03-19T11:57:07","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/29189\/"},"modified":"2026-03-19T11:57:07","modified_gmt":"2026-03-19T11:57:07","slug":"zvuk-z-hlubin-ktery-nedal-vedcum-8-let-spat-vydesil-i-ostrilene-oceanografy","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/29189\/","title":{"rendered":"Zvuk z\u00a0hlubin, kter\u00fd nedal v\u011bdc\u016fm 8\u00a0let sp\u00e1t. Vyd\u011bsil i\u00a0ost\u0159\u00edlen\u00e9 oce\u00e1nografy"},"content":{"rendered":"<p class=\"e_cx\">P\u0159edstavte si, \u017ee se nach\u00e1z\u00edte v\u00a0absolutn\u00ed tm\u011b, tis\u00edce metr\u016f pod mo\u0159skou hladinou, kde obrovsk\u00fd tlak drt\u00ed v\u0161e \u017eiv\u00e9. Je l\u00e9to roku 1997\u00a0a\u00a0hluboko v\u00a0ji\u017en\u00edm Pacifiku se d\u011bje n\u011bco, co na dlouh\u00e1 l\u00e9ta zcela zamot\u00e1 hlavu t\u011bm nejbyst\u0159ej\u0161\u00edm mo\u0159sk\u00fdm biolog\u016fm na planet\u011b.<\/p>\n<p class=\"e_cx\">V\u00fdzkumn\u00edci z\u00a0americk\u00e9 vl\u00e1dn\u00ed agentury NOAA (N\u00e1rodn\u00ed \u00fa\u0159ad pro oce\u00e1n a\u00a0atmosf\u00e9ru) tehdy kalibrovali sv\u00e9 vysoce citliv\u00e9 p\u0159\u00edstroje. Jejich \u00fakolem bylo v\u00a0tichosti naslouchat podmo\u0159sk\u00fdm sopk\u00e1m a\u00a0mapovat seizmickou aktivitu na dn\u011b oce\u00e1nu. K\u00a0dispozici m\u011bli s\u00ed\u0165 hydrofon\u016f (speci\u00e1ln\u00edch podvodn\u00edch mikrofon\u016f), kter\u00e9 tam za studen\u00e9 v\u00e1lky p\u016fvodn\u011b zanechalo americk\u00e9 n\u00e1mo\u0159nictvo k\u00a0odhalov\u00e1n\u00ed sov\u011btsk\u00fdch ponorek.<\/p>\n<p class=\"e_cx\">To, co n\u00e1sledovalo, ne\u010dekal v\u016fbec nikdo.<\/p>\n<p class=\"e_cx\">Z temnoty se ozvala akustick\u00e1 anom\u00e1lie trvaj\u00edc\u00ed zhruba jednu minutu. Za\u010dala hlubok\u00fdm, zlov\u011bstn\u00fdm dun\u011bn\u00edm, kter\u00e9 postupn\u011b stoupalo na frekvenci, a\u017e se rozlehlo tis\u00edce kilometr\u016f daleko. Zvuk dostal jm\u00e9no, kter\u00e9 v\u00a0ostr\u00e9m kontrastu s\u00a0jeho d\u011bsivou povahou zn\u00ed a\u017e komicky ne\u0161kodn\u011b: Bloop (\u017eblu\u0148knut\u00ed).<\/p>\n<p>Kdy\u017e podmo\u0159sk\u00e9 u\u0161i zachyt\u00ed nemo\u017en\u00e9Je to podobn\u00e9, jako byste si uprost\u0159ed V\u00e1clavsk\u00e9ho n\u00e1m\u011bst\u00ed v\u00a0Praze jen tak povzdechli a\u00a0v\u00e1\u0161 kamar\u00e1d stoj\u00edc\u00ed v\u00a0centru New Yorku by to z\u0159eteln\u011b sly\u0161el.<\/p>\n<p class=\"e_cx\">Voda sice vede zvuk mnohem l\u00e9pe a\u00a0rychleji ne\u017e vzduch, av\u0161ak p\u0159ekonat takovou vzd\u00e1lenost vy\u017eaduje gigantick\u00e9 mno\u017estv\u00ed energie. Nejednalo se o\u00a0t\u0159eskot bomby ani o\u00a0sk\u0159\u00edp\u00e1n\u00ed tektonick\u00fdch desek, je\u017e zanech\u00e1v\u00e1 na spektrogramech typickou \u201erozmazanou\u201c stopu. Zvukov\u00fd profil Bloopu byl jin\u00fd. Frekvence zvuku se plynule m\u011bnila, co\u017e je vlastnost typick\u00e1 pro hlasov\u00e9 projevy \u017eiv\u00fdch tvor\u016f, nikoliv pro geologick\u00e9 jevy nebo lidsk\u00e9 stroje.<\/p>\n<p class=\"e_cx\">V\u011bdci dlouho netu\u0161ili, s\u00a0\u010d\u00edm maj\u00ed tu \u010dest. Oce\u00e1nologick\u00e1 komunita ale za\u010dala velmi rychle spekulovat.<\/p>\n<p>V\u011bt\u0161\u00ed ne\u017e plejtv\u00e1k: P\u00e1tr\u00e1n\u00ed po monstru z\u00a0temnot<\/p>\n<p class=\"e_cx\">Oce\u00e1n je obrovsk\u00fd, ne\u00faprosn\u00fd a\u00a0my jsme z\u00a0n\u011bj dosud prozkoumali pouh\u00fd zlomek. P\u0159irozen\u011b se tak zrodila my\u0161lenka, \u017ee by na dn\u011b mohlo \u017e\u00edt zv\u00ed\u0159e, o\u00a0kter\u00e9m nem\u00e1me ani tu\u0161en\u00ed.<\/p>\n<p class=\"e_cx\">Pokud by ho opravdu vydal \u017eiv\u00fd organismus, muselo by j\u00edt o\u00a0tvora, kter\u00fd by byl t\u0159ikr\u00e1t a\u017e p\u011btkr\u00e1t masivn\u011bj\u0161\u00ed ne\u017e nejv\u011bt\u0161\u00ed zn\u00e1m\u00e1 velryba. Fanou\u0161ci z\u00e1had za\u010dali na internetu okam\u017eit\u011b propadat nad\u0161en\u00ed. Na diskuzn\u00edch f\u00f3rech se sklo\u0148ovala jm\u00e9na jako prehistorick\u00fd Megalodon, ob\u0159\u00ed chobotnice z\u00a0m\u00fdt\u016f, a\u00a0dokonce i\u00a0b\u00e1jn\u00fd netvor Cthulhu z\u00a0rom\u00e1n\u016f H. P. Lovecrafta (mimochodem, sou\u0159adnice zaznamenan\u00e9ho zvuku se nenach\u00e1zely tak daleko od fiktivn\u00edho potopen\u00e9ho m\u011bsta R&#8217;lyeh).<\/p>\n<p class=\"e_cx\">Dlouh\u00fdch osm let se zd\u00e1lo, \u017ee hlubiny Pacifiku skute\u010dn\u011b ukr\u00fdvaj\u00ed prehistorick\u00e9 monstrum, kter\u00e9 lidem svou p\u00edsn\u00ed p\u0159ipomn\u011blo, kdo je skute\u010dn\u00fdm p\u00e1nem planety.<\/p>\n<p>Kl\u00ed\u010dov\u00fd zlom na zamrzl\u00e9m jihu<\/p>\n<p class=\"e_cx\">Jak \u0161el \u010das, v\u011bdci z\u00a0<a data-dot=\"atm-link\" target=\"_blank\" rel=\"ugc noopener nofollow\" href=\"https:\/\/oceanservice.noaa.gov\/facts\/bloop.html\" class=\"e_A\">NOAA nasazovali dal\u0161\u00ed hydrofony<\/a> bl\u00ed\u017ee k\u00a0mraziv\u00e9 Antarktid\u011b. Jejich c\u00edlem bylo st\u00e1le sledov\u00e1n\u00ed mo\u0159sk\u00fdch vulk\u00e1n\u016f, postupn\u011b ale za\u010dali odkr\u00fdvat akustickou stopu vedouc\u00ed ke zdroji samotn\u00e9ho Bloopu. A\u00a0pr\u00e1v\u011b tam, na pomez\u00ed t\u011bch nejdrsn\u011bj\u0161\u00edch podm\u00ednek na Zemi, p\u0159i\u0161lo rozuzlen\u00ed.<\/p>\n<p class=\"e_cx\">Z\u00e1hada byla definitivn\u011b vy\u0159e\u0161ena kolem roku 2005.\u00a0Ne\u0161lo o\u00a0biologii. \u0160lo o\u00a0\u010dirou, brut\u00e1ln\u00ed fyziku.<\/p>\n<p class=\"e_cx\">Oce\u00e1nografov\u00e9 zjistili, \u017ee to, co zn\u011blo jako vol\u00e1n\u00ed ob\u0159\u00edho zv\u00ed\u0159ete, bylo ve skute\u010dnosti masivn\u00ed ledot\u0159esen\u00ed. Konkr\u00e9tn\u011b se jednalo o\u00a0ohromn\u00fd kus ledovce, kter\u00fd praskl, odtrhl se od antarktick\u00e9ho pevninsk\u00e9ho \u0161elfu a\u00a0s neuv\u011b\u0159itelnou silou drhl o\u00a0oce\u00e1nsk\u00e9 dno, jak se <a data-dot=\"atm-link\" target=\"_blank\" rel=\"ugc noopener nofollow\" href=\"https:\/\/www.pmel.noaa.gov\/acoustics\/sounds_cryogenic.html\" class=\"e_A\">ofici\u00e1ln\u011b uv\u00e1d\u00ed v\u00a0z\u00e1v\u011brech programu akustick\u00e9ho monitoringu<\/a>.<\/p>\n<p class=\"e_cx\">Jak je ale mo\u017en\u00e9, \u017ee praskaj\u00edc\u00ed led zn\u011bl jako zv\u00ed\u0159e? Zkuste vz\u00edt kostku ledu, kterou pr\u00e1v\u011b vyt\u00e1hnete z\u00a0mraz\u00e1ku, a\u00a0vhodit ji do sklenice s\u00a0teplou vodou. Usly\u0161\u00edte jasn\u00e9 prask\u00e1n\u00ed a\u00a0pi\u0161t\u011bn\u00ed. Nyn\u00ed si tuto kostku zv\u011bt\u0161ete do velikosti cel\u00e9ho Lond\u00fdna.<\/p>\n<p class=\"e_cx\">Kdy\u017e takov\u00fd kolos\u00e1ln\u00ed ledovec d\u0159e o\u00a0mo\u0159sk\u00e9 dno, vyvol\u00e1v\u00e1 t\u0159en\u00ed rezonanci, kter\u00e1 se p\u0159es vodn\u00ed masu \u0161\u00ed\u0159\u00ed jako plynule stoupaj\u00edc\u00ed t\u00f3n. Akustick\u00e9 vlastnosti praskaj\u00edc\u00edho a\u00a0t\u0159ouc\u00edho se ledu na spektrogramu dokonale napodobily organick\u00fd zvuk.<\/p>\n<p>Mraziv\u00e9 varov\u00e1n\u00ed m\u00edsto b\u00e1jn\u00e9 stv\u016fry<\/p>\n<p class=\"e_cx\">Z\u00e1hada Bloopu tak neskon\u010dila objevem nov\u00e9ho druhu velryby ani lovecraftovsk\u00e9ho bo\u017estva. V\u00fdsledek je ov\u0161em ve sv\u00e9 podstat\u011b mnohem mraziv\u011bj\u0161\u00ed a\u00a0relevantn\u011bj\u0161\u00ed pro na\u0161i sou\u010dasnost.<\/p>\n<p class=\"e_cx\">Tento \u201ek\u0159ik planety\u201c se st\u00e1v\u00e1 st\u00e1le \u010dast\u011bj\u0161\u00edm jevem. Se zrychluj\u00edc\u00edm se oteplov\u00e1n\u00edm klimatu doch\u00e1z\u00ed k\u00a0prask\u00e1n\u00ed antarktick\u00fdch ledovc\u016f s\u00a0alarmuj\u00edc\u00ed frekvenc\u00ed. Ka\u017ed\u00fd rok vznikaj\u00ed des\u00edtky tis\u00edc takov\u00fdch ledot\u0159esen\u00ed a\u00a0jejich zvukov\u00e9 ozv\u011bny pln\u00ed sv\u011btov\u00e9 oce\u00e1ny.<\/p>\n<p class=\"e_cx\">Bloop nebyl zvukem nezn\u00e1m\u00e9ho monstra, kter\u00e9 \u010d\u00edh\u00e1 v\u00a0hlubin\u00e1ch, aby n\u00e1s zni\u010dilo. Byl to zvuk samotn\u00e9 Zem\u011b, je\u017e puk\u00e1 pod n\u00e1porem klimatick\u00fdch zm\u011bn. A\u00a0to je skute\u010dnost, kter\u00e9 bychom se m\u011bli ob\u00e1vat mnohem v\u00edce ne\u017e jak\u00e9koliv fiktivn\u00ed p\u0159\u00ed\u0161ery.<\/p>\n<p class=\"e_cx\">D\u00edky, \u017ee jste se mnou dnes sestoupili do temn\u00fdch hlubin Pacifiku za zvukem, kter\u00fd zm\u011bnil na\u0161e ch\u00e1p\u00e1n\u00ed oce\u00e1nu. Pokud v\u00e1m dne\u0161n\u00ed text pomohl pochopit, \u017ee realita praskaj\u00edc\u00edch ledovc\u016f je n\u011bkdy fascinuj\u00edc\u00ed (a d\u011bsiv\u011bj\u0161\u00ed) ne\u017e v\u0161echny m\u00fdty o\u00a0mo\u0159sk\u00fdch p\u0159\u00ed\u0161er\u00e1ch, budu moc vd\u011b\u010dn\u00fd za drobnou podporu v\u00a0cen\u011b jedn\u00e9 k\u00e1vy. Pom\u016f\u017ee mi to pro v\u00e1s i\u00a0nad\u00e1le lovit tyto neuv\u011b\u0159iteln\u00e9 ozv\u011bny z\u00a0nezn\u00e1ma. D\u011bkuji v\u00e1m!<\/p>\n<p>Do\u010detli jste a\u017e sem? Podpo\u0159te autora libovolnou \u010d\u00e1stkou.<\/p>\n","protected":false},"excerpt":{"rendered":"P\u0159edstavte si, \u017ee se nach\u00e1z\u00edte v\u00a0absolutn\u00ed tm\u011b, tis\u00edce metr\u016f pod mo\u0159skou hladinou, kde obrovsk\u00fd tlak drt\u00ed v\u0161e \u017eiv\u00e9.&hellip;\n","protected":false},"author":2,"featured_media":29190,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[13016,10487,13017,9386,7121,74,73,78,75,77,76,437],"class_list":{"0":"post-29189","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-veda-a-technika","8":"tag-boreni-mytu","9":"tag-globalni-oteplovani","10":"tag-ledovce","11":"tag-myty","12":"tag-ocean","13":"tag-science","14":"tag-science-technology","15":"tag-technika","16":"tag-technology","17":"tag-veda","18":"tag-veda-a-technika","19":"tag-zajimavosti"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116255722397354893","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/29189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=29189"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/29189\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/29190"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=29189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=29189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=29189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}