{"id":407,"date":"2018-07-07T00:50:59","date_gmt":"2018-07-06T22:50:59","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=407"},"modified":"2018-08-05T00:28:40","modified_gmt":"2018-08-04T22:28:40","slug":"nove-obzory-a-bilancni-mereni-v-amaterske-jeskyni","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2018\/07\/07\/nove-obzory-a-bilancni-mereni-v-amaterske-jeskyni\/","title":{"rendered":"Nov\u00e9 obzory a bilan\u010dn\u00ed m\u011b\u0159en\u00ed v Amat\u00e9rsk\u00e9 jeskyni"},"content":{"rendered":"

Sv\u016fj minul\u00fd „jeskynn\u00ed“ p\u0159\u00edsp\u011bvek jsem uzav\u0159el slovy, \u017ee voda v Amat\u00e9rsk\u00e9 jeskyni nab\u00edr\u00e1 poklesov\u00fd trend a my na n\u011bkter\u00fdch lokalit\u00e1ch budeme muset posouvat na\u0161e tlakov\u00e9 sondy n\u00ed\u017e, aby p\u0159i minimech v\u016fbec n\u011bco m\u011b\u0159ily… I s touto my\u0161lenkou jsme se v \u00fater\u00fd 3. \u010dervence vydali do Amat\u00e9rky. Krom\u011b bilan\u010dn\u00edho m\u011b\u0159en\u00ed B\u00edl\u00e9 vody jsme pr\u00e1v\u011b m\u011bli spadeno na m\u00edsto, kde Sloupsk\u00fd potok ze severu p\u0159it\u00e9k\u00e1 do Bludi\u0161t\u011b M. \u0160lechty. V z\u00e1\u0159\u00ed 2012 bylo taky po\u0159\u00e1dn\u00e9 sucho a j\u00e1 jsem pr\u00e1v\u011b na tomto m\u00edst\u011b kv\u016fli siln\u00e9mu poklesu vody m\u011bl mo\u017enost nahl\u00e9dnout pod skaln\u00ed kulisu tvo\u0159\u00edc\u00ed strop sifonu do jak\u00e9si pom\u011brn\u011b rozlehl\u00e9 jezern\u00ed prostory. Tlakovou sondu jsme sem nainstalovali a\u017e v l\u00e9t\u011b 2015. Loni bylo z datov\u00e9ho z\u00e1znamu z\u0159ejm\u00e9, \u017ee sonda byla na p\u0159elomu srpna a z\u00e1\u0159\u00ed t\u0159i t\u00fddny na suchu, proto\u017ee „kreslila rovnou \u010d\u00e1ru“. V\u0161e nasv\u011bd\u010dovalo tomu, \u017ee i dnes bude voda hodn\u011b n\u00edzko…<\/p>\n

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Velk\u00e9 \u010d\u00edslo 11 ozna\u010duje um\u00edst\u011bn\u00ed sondy m\u011b\u0159\u00edc\u00ed hladinu Sloupsk\u00e9ho potoka na jeho p\u0159\u00edtoku do Bludi\u0161t\u011b. Zde n\u00e1s dnes voda pustila d\u00e1l… V\u00fd\u0159ez mapy je v\u00fdstupem z 3D skeneru, podklad tvo\u0159\u00ed mapa P\u0159ibyla a Rajmana (1980), \u010dm\u00e1ranice rukou je moje d\u00edlo…<\/figcaption><\/figure>\n

A byla, dokonce n\u00ed\u017e ne\u017e jsem \u010dekal! Skaln\u00ed kulisa se dala pohodln\u011b podl\u00e9zt, jen sotva po kolena ve vod\u011b… a u\u017e jsme v men\u0161\u00ed kruhov\u00e9 prosto\u0159e (pr\u016fm\u011bru 4.5 m). N\u00e1sleduje bl\u00e1tivo-p\u00eds\u010dit\u00e1 hr\u00e1zka a za n\u00ed hlavn\u00ed prostora (pr\u016fm\u011bru 11 m a v\u00fd\u0161ky asi 5 m), jak\u00fdsi jezern\u00ed d\u00f3m nezn\u00e1m\u00e9 hloubky. Jezero se d\u00e1 zleva opatrn\u011b obej\u00edt (b\u0159ehy jdou bl\u00e1tiv\u00e9 a strm\u011b spadaj\u00edc\u00ed pod hladinu), asi do vzd\u00e1lenosti sotva 10 m… Kdy\u017e se d\u00edv\u00e1m na m\u016fj ru\u010dn\u011b kreslen\u00fd n\u00e1\u010drt t\u011bchto prostor, tak lze konstatovat, \u017ee se takto d\u00e1 doj\u00edt do nejji\u017en\u011bj\u0161\u00edho koutu cel\u00e9 prostory. D\u00e1le pokra\u010duj\u00edc\u00ed z\u00e1padn\u00ed okraj tvo\u0159\u00ed kolm\u00e9 skaln\u00ed st\u011bny. My ale vid\u00edme, \u017ee prostora pokra\u010duje k severov\u00fdchodu, dalo by se tam doplavat, kdyby se n\u00e1m cht\u011blo… Laserov\u00fd d\u00e1lkom\u011br ukazuje k prot\u011bj\u0161\u00ed severn\u00ed st\u011bn\u011b vzd\u00e1lenost 25 m od m\u00edsta kde stoj\u00edme. Ka\u017edop\u00e1dn\u011b z t\u011bchto m\u00edst u\u017e chyb\u00ed jen p\u00e1r metr\u016f do Jezern\u00ed propasti (prostora s te\u010dkovan\u011b zna\u010den\u00fdm okrajem t\u011bsn\u011b p\u0159il\u00e9haj\u00edc\u00ed k m\u00e9mu n\u00e1\u010drtku – z mapov\u00e9ho podkladu P\u0159ibyl, Rajman, 1980).<\/p>\n

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Mo\u017en\u00e1 jsme prvn\u00ed, kdo sem vstoupil „suchou nohou“. Vod\u00edc\u00ed pot\u00e1p\u011b\u010dsk\u00e9 lanko tu ale nata\u017eeno je. Vodn\u00ed hladina pokra\u010duje vpravo vzadu (k severov\u00fdchodu), sm\u011brem k Jezern\u00ed propasti.<\/figcaption><\/figure>\n

Bilan\u010dn\u00ed m\u011b\u0159en\u00ed B\u00edl\u00e9 vody<\/strong><\/p>\n

N\u00e1\u0161 pracovn\u00ed den ale za\u010dal na povrchu, to proto\u017ee jsme byli nat\u011b\u0161eni p\u0159edev\u0161\u00edm na bilan\u010dn\u00ed m\u011b\u0159en\u00ed B\u00edl\u00e9 vody od LG Hol\u0161tejn po Bludi\u0161t\u011b M. \u0160lechty v Amat\u00e9rsk\u00e9 jeskyni. Do Hol\u0161tejna se autem dostanete jenom jednou cestou. T\u011bsn\u011b p\u0159ed Hol\u0161tejnem nejprve p\u0159ejedete most p\u0159es Lipoveck\u00fd potok a hned pot\u00e9 p\u0159es B\u00edlou vodu. Soutok obou t\u011bchto tok\u016f je asi necel\u00fdch 50 m pod silnic\u00ed. Pr\u016ftok v B\u00edl\u00e9 vod\u011b byl dnes v 10 hodin SEL\u010c 10.5 l\/s, pr\u016ftok Lipoveck\u00fdm potokem 2.4 l\/s. Dohromady to d\u011bl\u00e1 necel\u00fdch 13 l\/s, kter\u00e9 od soutoku pokra\u010duj\u00ed k Nov\u00e9 Rasovn\u011b. Tam ale nedote\u010dou, proto\u017ee v\u00e1pencov\u00e9 koryto postupn\u011b B\u00edlou vodu vsaje do sebe…<\/p>\n

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\u00daprava koryta p\u0159i m\u011b\u0159en\u00ed minim\u00e1ln\u00edch pr\u016ftok\u016f je v\u011bt\u0161inou nutn\u00e1. Zde Lipoveck\u00fd potok. V pop\u0159ed\u00ed konduktometr pro m\u011b\u0159en\u00ed m\u011brn\u00e9 vodivosti vody. I tato hodnota m\u00e1 sv\u016fj v\u00fdznam. (foto Karel Kn\u011b\u017e\u00ednek)<\/figcaption><\/figure>\n

Na B\u00edlou vodu v podzem\u00ed pak naraz\u00edte v Nov\u00e9 Rasovn\u011b, potom v jeskyni Spir\u00e1lka a v jeskyni 13C B\u00edl\u00e1 voda tvo\u0159\u00ed vodn\u00ed plavbu – v\u011bt\u0161\u00ed \u010d\u00e1st jeskyn\u011b je p\u0159\u00edstupn\u00e1 pouze na nafukovac\u00edch \u010dlunech. N\u00e1sleduje Star\u00e1 Amat\u00e9rsk\u00e1 jeskyn\u011b a teprve po p\u0159ekon\u00e1n\u00ed dlouh\u00e9ho a n\u00edzk\u00e9ho sifonu vstupuje B\u00edl\u00e1 voda do Chodby samoty Nov\u00e9 Amat\u00e9rsk\u00e9 jeskyn\u011b. A tam jsme si na ni dnes po\u010dkali! Zasko\u010dili jsme ji u star\u00e9ho limnigrafu hned zkraje Chodby samoty a zm\u011b\u0159ili jej\u00ed pr\u016ftok – 26.5 l\/s.<\/p>\n

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B\u00edl\u00e1 voda u star\u00e9ho limnigrafu v Chodb\u011b samoty. (foto Karel Kn\u011b\u017e\u00ednek)<\/figcaption><\/figure>\n
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Zm\u011b\u0159ili jsme a na dal\u0161\u00ed m\u00edsto se p\u0159esouv\u00e1me i p\u0159es asi t\u0159icetimetrov\u00e9 Dlouh\u00e9 jezero.<\/figcaption><\/figure>\n

Dal\u0161\u00ed m\u00edsto, kde se v Amat\u00e9rsk\u00e9 jeskyni d\u00e1 narazit na voln\u00fd tok B\u00edl\u00e9 vody je Chrochtadlo. Je to \u010d\u00e1st jeskyn\u011b, kter\u00e1 je opravdu kr\u00e1sn\u00e1, ale ne zrovna dob\u0159e p\u0159\u00edstupn\u00e1. Po kr\u00e1tk\u00e9, zato ale \u00fazk\u00e9 a bl\u00e1tiv\u00e9 vstupn\u00ed plazivce n\u00e1sleduje je\u0161t\u011b bl\u00e1tiv\u011bj\u0161\u00ed puklinov\u00e1 propast, celkov\u011b se sleze do hloubky 18 m. Propast je ale nov\u011b vystrojena \u0159et\u011bzov\u00fdm \u017eeb\u0159\u00edkem, tak\u017ee odpad\u00e1 nep\u0159\u00edjemn\u00e9 p\u0159evl\u00e9k\u00e1n\u00ed do lezeck\u00fdch „cajk\u016f“ za plazivkou. Zkr\u00e1tka super progres!<\/p>\n

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Sestup do Chrochtadla…<\/figcaption><\/figure>\n
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…a tam \u010dek\u00e1 Vet\u0159elec! (foto Karel Kn\u011b\u017e\u00ednek)<\/figcaption><\/figure>\n

\u00dasek toku B\u00edl\u00e9 vody v Chrochtadle je p\u0159i tomto n\u00edzk\u00e9m vodn\u00edm stavu velice kr\u00e1tk\u00fd, sotva 10 metr\u016f a vhodn\u00fd profil pro m\u011b\u0159en\u00ed pr\u016ftoku zde prost\u011b nen\u00ed. Tak\u017ee se pou\u0161t\u00edme do \u00fapravy koryta, \u0161t\u011brky hrneme rukama nohama na strany a sna\u017e\u00edme se vytvo\u0159it \u00fasek toku, kter\u00fdm by voda tekla pokud mo\u017eno rovnom\u011brn\u011b. Je to docela z\u00e1bavn\u00e9, ale \u00fapln\u011b jednoduch\u00e9 taky ne. Jak \u0159\u00edk\u00e1 Karel, byla by to dobr\u00e1 praxe pro studenty hydrologie, takov\u00e9 praktick\u00e9 cvi\u010den\u00ed z hydrauliky… Nakonec se n\u00e1m to ale poda\u0159ilo a \u0159ekl bych, na ty podm\u00ednky skv\u011ble! Zm\u011b\u0159en\u00fd pr\u016ftok je 7.1 l\/s.<\/p>\n

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Chrochtadlo aneb posu\u010fte sami, jestli se n\u00e1m to poda\u0159ilo… Za z\u00e1dy mi B\u00edl\u00e1 voda miz\u00ed v odtokov\u00e9m sifonu, pokra\u010dov\u00e1n\u00ed zat\u00edm nezn\u00e1m\u00e9… Kabel na st\u011bn\u011b m\u00e1 d\u00e9lku 100 m a vede a\u017e do Maco\u0161sk\u00e9ho koridoru o 20 m v\u00fd\u0161e.<\/figcaption><\/figure>\n

Uf, p\u0159ed n\u00e1mi je posledn\u00ed \u0161tace. Jdeme do centr\u00e1ln\u00ed \u010d\u00e1sti Bludi\u0161t\u011b Milana \u0160lechty, do tzv. J\u00e1dra. Zde pod D\u00f3mem u Vodop\u00e1du te\u010de B\u00edl\u00e1 voda k na\u0161\u00ed sond\u011b situovan\u00e9 v jedn\u00e9 ze zdej\u0161\u00edch „studn\u00ed“. Ot\u00e1zkou st\u00e1le z\u016fst\u00e1v\u00e1, zda sem B\u00edl\u00e1 voda te\u010de p\u0159\u00edmo z Chrochtadla a nebo jin\u00fdm trativodem odbo\u010duje u\u017e nad Chrochtadlem. No, zat\u00edm t\u011b\u017eko \u0159\u00edct, ale pr\u016ftok 7.5 l\/s, tedy prakticky to sam\u00e9, co te\u010de v Chrochtadle (rozd\u00edl 7.1 versus 7.5 l\/s odpov\u00edd\u00e1 chyb\u011b m\u011b\u0159en\u00ed), je trochu zar\u00e1\u017eej\u00edc\u00ed…<\/p>\n

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B\u00edl\u00e1 voda v J\u00e1dru Bludi\u0161t\u011b. I zde byly nutn\u00e9 \u00fapravy koryta… A strop proklat\u011b n\u00edzko.<\/figcaption><\/figure>\n

Tedy n\u011bjak\u00e9 shrnut\u00ed v\u00fdsledk\u016f… 13 l\/s v Hol\u0161tejn\u011b oproti dvojn\u00e1sobn\u00e9mu pr\u016ftoku 26.5 l\/s v Chodb\u011b samoty je docela velk\u00fd rozd\u00edl, ale mus\u00edme si uv\u011bdomit, \u017ee B\u00edl\u00e1 voda zasakuje do sv\u00e9ho koryta u\u017e nad LG Hol\u0161tejn a mezi profilem v Hol\u0161tejn\u011b a Chodbou samoty se nach\u00e1z\u00ed i relativn\u011b velk\u00e9 (nav\u00edc krasov\u00e9!) mezipovod\u00ed, ze kter\u00e9ho tak\u00e9 n\u011bco p\u0159it\u00e9k\u00e1. V such\u00e9m z\u00e1\u0159\u00ed 2012 jsme u\u017e jedno bilan\u010dn\u00ed m\u011b\u0159en\u00ed „Hol\u0161tejn – Chodba samoty“ d\u011blali, a to s v\u00fdsledkem 2.3 versus 18 l\/s. Jsem zv\u011bdav na dal\u0161\u00ed m\u011b\u0159en\u00ed, tentokr\u00e1t p\u0159i trochu vy\u0161\u0161\u00edm pr\u016ftoku…<\/p>\n

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Je\u0161t\u011b jedna mapa na z\u00e1v\u011br… Je mi jasn\u00e9, \u017ee \u010dlov\u011bk v\u00edce neobezn\u00e1men\u00fd se syst\u00e9mem Amat\u00e9rsk\u00e9 jeskyn\u011b se v tom asi tro\u0161ku ztr\u00e1c\u00ed. Tak\u017ee aspo\u0148 mal\u00e1 n\u00e1plast… \u010c\u00edslo 13 ozna\u010duje tlakovou sondu v Chodb\u011b samoty a p\u0159ibli\u017en\u011b i m\u00edsto na\u0161eho dne\u0161n\u00edho m\u011b\u0159en\u00ed. \u010c\u00edslo 4 je sonda v odtokov\u00e9m sifonu Chrochtadla a posledn\u00ed m\u011b\u0159en\u00ed pr\u016ftoku dnes prob\u011bhlo n\u011bkde mezi \u010d\u00edsly 5 a 6.<\/figcaption><\/figure>\n

Pr\u016ftokov\u00fd rozd\u00edl mezi Chodbou samoty (26.5 l\/s) a Chrochtadlem (7.1 l\/s) jenom potvrzuje moji hypot\u00e9zu, \u017ee ur\u010dit\u00e1 \u010d\u00e1st B\u00edl\u00e9 vody obt\u00e9k\u00e1 Chrochtadlo. Zaj\u00edmav\u011bj\u0161\u00ed se mi v tuto chv\u00edli jev\u00ed stejn\u00fd pr\u016ftok v Chrochtadle a v J\u00e1dru. Skoro by se nab\u00edzelo vysv\u011btlen\u00ed, \u017ee nezn\u00e1m\u00fdm pokra\u010dov\u00e1n\u00edm za odtokov\u00fdm sifonem Chrochtadla je trativod do J\u00e1dra… Ale dost mo\u017en\u00e1, \u017ee tyto stejn\u00e9 pr\u016ftoky jsou jen n\u00e1hodou zp\u016fsobenou kapacitami trativod\u016f a mno\u017estv\u00edm p\u0159it\u00e9kaj\u00edc\u00ed vody. I zde bude dal\u0161\u00ed bilan\u010dn\u00ed m\u011b\u0159en\u00ed v\u011bc\u00ed velice zaj\u00edmavou!<\/p>\n","protected":false},"excerpt":{"rendered":"

Sv\u016fj minul\u00fd „jeskynn\u00ed“ p\u0159\u00edsp\u011bvek jsem uzav\u0159el slovy, \u017ee voda v Amat\u00e9rsk\u00e9 jeskyni nab\u00edr\u00e1 poklesov\u00fd trend a my na n\u011bkter\u00fdch lokalit\u00e1ch budeme muset posouvat na\u0161e tlakov\u00e9 sondy n\u00ed\u017e, aby p\u0159i minimech v\u016fbec n\u011bco m\u011b\u0159ily… I s touto my\u0161lenkou jsme se v \u00fater\u00fd 3. \u010dervence vydali do Amat\u00e9rky. Krom\u011b bilan\u010dn\u00edho m\u011b\u0159en\u00ed B\u00edl\u00e9 vody jsme pr\u00e1v\u011b m\u011bli spadeno […]<\/p>\n","protected":false},"author":4,"featured_media":448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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","enabled":false},"version":2}},"categories":[4],"tags":[9,11],"coauthors":[27],"class_list":["post-407","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-voda","tag-jeskyne","tag-mereni-prutoku","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2018\/07\/P1020381.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-6z","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/comments?post=407"}],"version-history":[{"count":19,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/407\/revisions"}],"predecessor-version":[{"id":649,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/407\/revisions\/649"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/448"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=407"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}