[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.aspczech.cz\/ponorit-se-do-hlubin-marianskeho-prikopu-neni-jen-tak\/#Article","mainEntityOfPage":"https:\/\/www.aspczech.cz\/ponorit-se-do-hlubin-marianskeho-prikopu-neni-jen-tak\/","headline":"Pono\u0159it se do hlubin Mari\u00e1nsk\u00e9ho p\u0159\u00edkopu nen\u00ed jen tak","name":"Pono\u0159it se do hlubin Mari\u00e1nsk\u00e9ho p\u0159\u00edkopu nen\u00ed jen tak","description":"Kdy\u017e se bav\u00edte s mal\u00fdmi d\u011btmi nebo s lidmi pon\u011bkud prost\u0161\u00edho uva\u017eov\u00e1n\u00ed, a nazna\u010d\u00edte jim, \u017ee nejhlub\u0161\u00ed mo\u0159sk\u00e9 dno se nach\u00e1z\u00ed v hloubce necel\u00fdch jeden\u00e1cti kilometr\u016f pod hladinou, mo\u017en\u00e1 si \u0159eknou: \u201eaha, tak to je, jako kdy\u017e jedeme autem na […]","datePublished":"2023-10-10","dateModified":"2023-10-11","author":{"@type":"Person","@id":"https:\/\/www.aspczech.cz\/author\/#Person","name":"aspczech.cz\n","url":"https:\/\/www.aspczech.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/40308b9402d145b1dc164f447b6506e9dadca8c8362c3ffb52df95e789c0fd10?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"aspczech.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.aspczech.cz\/wp-content\/uploads\/ocean-1867285_640.jpg","url":"https:\/\/www.aspczech.cz\/wp-content\/uploads\/ocean-1867285_640.jpg","height":0,"width":0},"url":"https:\/\/www.aspczech.cz\/ponorit-se-do-hlubin-marianskeho-prikopu-neni-jen-tak\/","about":["Www"],"wordCount":453,"articleBody":"    Kdy\u017e se bav\u00edte s mal\u00fdmi d\u011btmi nebo s lidmi pon\u011bkud prost\u0161\u00edho uva\u017eov\u00e1n\u00ed, a nazna\u010d\u00edte jim, \u017ee nejhlub\u0161\u00ed mo\u0159sk\u00e9 dno se nach\u00e1z\u00ed v hloubce necel\u00fdch jeden\u00e1cti kilometr\u016f pod hladinou, mo\u017en\u00e1 si \u0159eknou: \u201eaha, tak to je, jako kdy\u017e jedeme autem na v\u011bt\u0161\u00ed n\u00e1kup z vesnice do m\u011bsta, a jsme tam p\u0159ibli\u017en\u011b za \u010dtvrt hodinky. Tato vzd\u00e1lenost se na turistick\u00e9 map\u011b nijak zvl\u00e1\u0161\u0165 nevyj\u00edm\u00e1 a p\u011b\u0161ky ji ujdete za necel\u00e9 t\u0159i hodiny pohodln\u00fdm tempem.   A mo\u017en\u00e1, \u017ee si n\u011bkte\u0159\u00ed p\u0159edstav\u00ed, \u017ee by popadli d\u00fdchac\u00ed p\u0159\u00edstroj s kysl\u00edkovou maskou, pot\u00e1p\u011b\u010dsk\u00e9 ploutve a spustili se do t\u011bchto hlubin sami, aby prozkoumali, jak to na samotn\u00e9m dn\u011b v\u016fbec vypad\u00e1. S trochou nads\u00e1zky jsme tu jen cht\u011bli nazna\u010dit, \u017ee Mari\u00e1nsk\u00fd p\u0159\u00edkop \u2013 nejhlub\u0161\u00ed m\u00edsto na planet\u011b Zemi nen\u00ed na dosah pro ka\u017ed\u00e9ho z v\u00e1s, a vypravit se tam, vy\u017eaduje nejen obrovskou odvahu, ale i nesm\u00edrn\u011b slo\u017eit\u00e9 a pe\u010dliv\u011b konstruovan\u00e9 technick\u00e9 prost\u0159edky a vybaven\u00ed. \u010c\u00edm je propast na mo\u0159sk\u00e9m dn\u011b tak komplikovan\u00e1  \u010cerno\u010dern\u00e1 tma \u2013 jakmile se za\u010dnete pot\u00e1p\u011bt n\u011bkde na pob\u0159e\u017e\u00ed Jadranu \u010di na francouzsk\u00e9 Rivi\u00e9\u0159e, brzy zjist\u00edte, \u017ee po n\u011bkolika metrech a\u017e des\u00edtk\u00e1ch metr\u016f za\u010dne kolem v\u00e1s ub\u00fdvat denn\u00edho sv\u011btla. A\u017e nastane okam\u017eik ponoru do hloubky, kam denn\u00ed sv\u011btlo v\u016fbec nepronikne. Je zn\u00e1mo, \u017ee slune\u010dn\u00ed paprsky zasahuj\u00ed pouze do hlubin p\u0159ibli\u017en\u011b jednoho kilometru, a d\u00e1l u\u017e je jen \u010derno\u010dern\u00e1 tma. Jak vid\u00edte, vodn\u00ed masa pohlcuje sv\u011btlo pom\u011brn\u011b razantn\u011b, tedy mnohem siln\u011bji, ne\u017e vzduch, kter\u00fd d\u00fdch\u00e1me. Toto je v\u00fdrazn\u00e1 komplikace pro ka\u017ed\u00e9ho, kdo se chce pot\u00e1p\u011bt (v ponorce) do velk\u00fdch hloubek.  Obrovsk\u00fd hydrostatick\u00fd tlak \u2013 v\u00fdpo\u010det hydrostatick\u00e9ho tlaku je pom\u011brn\u011b jednoduch\u00fd, pouze mezi sebou vyn\u00e1sob\u00edte hustotu kapaliny, gravita\u010dn\u00ed konstantu a hloubku sloupce tekutiny (v tomto p\u0159\u00edpad\u011b vody). Chcete-li (p\u0159ibli\u017en\u011b) zn\u00e1t, jak\u00fd tlak panuje v hloubce Mari\u00e1nsk\u00e9ho p\u0159\u00edkopu, tedy v necel\u00fdch 11 kilometrech pod hladinou, n\u00e1sob\u00edte hloubku \u010d\u00edslem 10, a vyjde v\u00e1m tlak v MPa. Pro p\u0159esn\u011bj\u0161\u00ed p\u0159edstavu se pak v\u00fdsledn\u00e1 hodnota 110 MPa p\u0159evede na kg\/m2, a kone\u010dn\u00fd v\u00fdsledek je ohromuj\u00edc\u00ed \u2013 na \u010dtvere\u010dn\u00ed metr tu p\u016fsob\u00ed tlak zhruba 11 tis\u00edc tun. Do takov\u00e9 hloubky se mohou pono\u0159it pouze speci\u00e1ln\u00ed ponorky \u2013 batyskafy, kter\u00e9 tento tlak snesou.                                                                                                                                                                                                                                                                                                                                                                                          3\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pono\u0159it se do hlubin Mari\u00e1nsk\u00e9ho p\u0159\u00edkopu nen\u00ed jen tak","item":"https:\/\/www.aspczech.cz\/ponorit-se-do-hlubin-marianskeho-prikopu-neni-jen-tak\/#breadcrumbitem"}]}]