{"id":1510,"date":"2022-09-27T11:46:14","date_gmt":"2022-09-27T11:46:14","guid":{"rendered":"https:\/\/pustyzleb.cz\/?p=1510"},"modified":"2022-09-27T11:46:15","modified_gmt":"2022-09-27T11:46:15","slug":"potapeni-v-pritokovem-sifonu-cerne-propasti","status":"publish","type":"post","link":"https:\/\/pustyzleb.cz\/?p=1510","title":{"rendered":"Pot\u00e1p\u011bn\u00ed v p\u0159\u00edtokov\u00e9m sifonu \u010cern\u00e9 propasti"},"content":{"rendered":"\n

V sobotu 24.9.2022 jsme uskute\u010dnili pot\u00e1p\u011b\u010dsk\u00fd pr\u016fzkum p\u0159\u00edtokov\u00e9ho sifonu v \u010cern\u00e9 propasti ve Sloupsko-\u0161o\u0161uvsk\u00fdch jeskyn\u00edch<\/a>.<\/p>\n\n\n\n\n\n\n\n

Ponor na t\u00e9to lokalit\u011b jsme m\u011bli v hled\u00e1\u010dku u\u017e dva roky, od spole\u010dn\u00e9 akce se Standou Lejskou z \u010cHM\u00da, kdy jsme zde m\u011b\u0159ili pr\u016ftok vody. Dle historick\u00fdch z\u00e1znam\u016f se zde krom\u011b Standy B\u00edlka ze ZO \u010cSS 1-10 Speleoaquanaut<\/a> v roce 1989 nikdo dal\u0161\u00ed nepot\u00e1p\u011bl. Poda\u0159ilo se mu tehdy dos\u00e1hnout vzd\u00e1lenosti 30 m p\u0159i maxim\u00e1ln\u00ed hloubce 6 m. Detailn\u011bj\u0161\u00ed informace o tomto ponoru se nezachovaly.<\/p>\n\n\n\n

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M\u011b\u0159en\u00ed pr\u016ftoku v p\u0159\u00edtokov\u00e9m sifonu na dn\u011b \u010cern\u00e9 propasti, 2020 (Foto: J. Sirotek)<\/figcaption><\/figure>\n\n\n\n

Podle hydrologick\u00fdch m\u011b\u0159en\u00ed lze usuzovat, \u017ee z p\u0159\u00edtokov\u00e9ho sifonu na dn\u011b \u010cern\u00e9 propasti vyv\u011br\u00e1 p\u0159ibli\u017en\u011b stejn\u00e9 mno\u017estv\u00ed vody, jak\u00e9 se ztr\u00e1ci v ponorech v okol\u00ed H\u0159eben\u00e1\u010de a ve Star\u00fdch skal\u00e1ch. Z historick\u00fdch poznatk\u016f je tak\u00e9 z\u0159ejm\u00e9, \u017ee tento sifon mus\u00ed p\u0159\u00edmo komunikovat se sifonem ve Wankelov\u011b jez\u00edrku. Tady se v minulosti uskute\u010dnilo n\u011bkolik ponor\u016f. Prvn\u00ed prob\u011bhl v roce 1973 v r\u00e1mci mezin\u00e1rodn\u00edho t\u00e1bora jeskynn\u00edho pot\u00e1p\u011bn\u00ed a dal\u0161\u00ed pak v re\u017eii Labyrintu a Mirka M\u011bkej\u0161e M\u011bkoty. Byla zde dosa\u017eena hloubka p\u0159es 30 m a z\u00e1rove\u0148 objeveno horizont\u00e1ln\u00ed pokra\u010dov\u00e1ni v mal\u00e9 hloubce s voln\u00fdmi hladinami. Ponor do hlubok\u00e9 \u010d\u00e1sti jsme zopakovali v srpnu 2020 b\u011bhem skupinov\u00e9ho soust\u0159ed\u011bn\u00ed a dos\u00e1hli hloubky 39 m. D\u00edky n\u00edzk\u00e9 viditelnosti se ale poda\u0159ilo zm\u011b\u0159it pouze \u010d\u00e1st polygonu.<\/p>\n\n\n\n

Do \u010cern\u00e9 propasti jsme se vypravili v sobotu 24.9.2022 spole\u010dn\u011b s mlad\u00fdm j\u00e1drem skupiny, pro kter\u00e9 to byla z\u00e1rove\u0148 tr\u00e9ninkov\u00e1 akce na SRT s tah\u00e1n\u00edm transpor\u0165\u00e1k\u016f. Proto\u017ee n\u00e1s bylo dost, Petr si s sebou vzal i focen\u00ed.\u00a0<\/span><\/p>\n\n\n\n

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Sestupov\u00e1 trasa do Komensk\u00e9ho jeskyn\u00ed (Foto: J. Sirotek)<\/figcaption><\/figure>\n\n\n\n

Vodn\u00ed podm\u00ednky moc p\u0159\u00edzniv\u00e9 nebyly. Voda v potoce tekla pln\u00fdm proudem a\u017e do Star\u00fdch skal. U sifonu to sice vypadalo nad\u011bjn\u011b, ale p\u0159esto maxim\u00e1ln\u00ed viditelnost nep\u0159es\u00e1hla 30 cm. Na\u0161t\u011bst\u00ed byl v sifonu docela proud a aspo\u0148 \u010d\u00e1ste\u010dn\u011b se to odkalovalo. <\/span><\/p>\n\n\n\n

Po zano\u0159en\u00ed jsem se kv\u016fli \u0161patn\u00e9 viditelnosti sna\u017eil sledovat pravou st\u011bnu. Postupn\u011b jsem naklesal do hloubky cca 6 m a cestou minul vzp\u0159\u00ed\u010denou kl\u00e1du, kter\u00e1 je spole\u010dn\u011b s Absolonov\u00fdm provazov\u00fdm \u017eeb\u0159\u00edkem od Wankelova jez\u00edrka, deponovan\u00fdm na skalisku p\u0159ed sifonem, dokladem, \u017ee sifon by mohl b\u00fdt pr\u016fchoz\u00ed v docela slu\u0161n\u00e9m profilu. <\/span><\/p>\n\n\n\n

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Poz\u016fstatky Absolonova provazov\u00e9ho \u017eeb\u0159\u00edku p\u0159inesen\u00e9ho na dno \u010cern\u00e9 propasti z Wankelova jez\u00edrka
(Foto: J. Sirotek)<\/figcaption><\/figure>\n\n\n\n

Po zhruba 20 m se dno pokryt\u00e9 st\u0159\u00eddav\u011b jemn\u00fdm sedimentem a kulmsk\u00fdmi valouny za\u010dalo zvedat a j\u00e1 se dr\u017eel sp\u00ed\u0161e stropu. Poda\u0159ilo se mi na zhruba 30. metru t\u00e9m\u011b\u0159 vyno\u0159it, ale chodba skon\u010dila ve z\u00fa\u017een\u00e9 puklin\u011b. Vr\u00e1til jsem se tedy kus zp\u011bt a zkou\u0161el naj\u00edt cestu n\u00ed\u017ee. Viditelnost klesla na nulu a j\u00e1 se za\u010dal ztr\u00e1cet. Nav\u00edc se mi zamotal buben s vod\u00edc\u00ed \u0161\u0148\u016frou a tak jsem se rad\u011bji rozhodl vr\u00e1tit, aby mi kolegov\u00e9 pomohli zamotanou \u0161\u0148\u016fru rozmotat. Prvn\u00ed \u010d\u00e1st ponoru trvala asi 20 minut. <\/span><\/p>\n\n\n\n

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P\u0159\u00edprava na ponor (Foto: P. \u0160. Jan\u00ed\u010dek)<\/figcaption><\/figure>\n\n\n\n

Pot\u00e9, co mi L\u00edda s Brtn\u00edkem p\u0159emotali buben, se vrac\u00edm do sifonu. Sp\u00ed\u0161e po hmatu ne\u017e po pam\u011bti jsem se dostal zhruba tam, kde jsem skon\u010dil, a za\u010dal hledat pokra\u010dov\u00e1n\u00ed, tentokr\u00e1t p\u0159i dn\u011b u prav\u00e9 st\u011bny. Chodba postupn\u011b klesla a\u017e do hloubky t\u00e9m\u011b\u0159 9 metr\u016f a jej\u00ed profil se za\u010dal sni\u017eovat (tedy u prav\u00e9 st\u011bny, celkov\u011b mohla b\u00fdt chodba mohutn\u011bj\u0161\u00ed, ale to holt nebylo vid\u011bt). P\u0159i p\u0159emot\u00e1v\u00e1n\u00ed bubnu se asi nepoda\u0159ilo odstranit jednu smy\u010dku a tak mus\u00edm namot\u00e1n\u00ed \u0161\u0148\u016fry spravovat pod vodou. To se mi po chvilce poda\u0159ilo, ale zato jsem si natrhl rukavici a za\u010dalo mi t\u00e9ct do obleku. M\u016fj dal\u0161\u00ed postup ale po p\u00e1r metrech zastavil p\u0159\u00edli\u0161 n\u00edzk\u00fd profil chodby a zv\u00ed\u0159en\u00fd jemn\u00fd sediment. Viditelnost klesla na absolutn\u00ed nulu, tak\u017ee nebylo vid\u011bt ani sv\u011btlo p\u0159ed maskou. Nastal ten prav\u00fd \u010das ukon\u010dit ponor.\u00a0<\/span><\/p>\n\n\n\n

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P\u0159ed zano\u0159en\u00edm (Foto: P. \u0160. Jan\u00ed\u010dek)<\/figcaption><\/figure>\n\n\n\n

Za\u010dal jsem se pomalu obracet a kdy\u017e u\u017e se mi zd\u00e1lo, \u017ee prob\u011bhla oto\u010dka o 180 stup\u0148\u016f a za\u010dal jsem smot\u00e1vat \u0161\u0148\u016fru, zjistil jsem, \u017ee jsem se do n\u00ed zamotal. Uvoln\u011bn\u00ed \u0161\u0148\u016fry z ploutve prob\u011bhlo hladce, ale zata\u017een\u00e1 smy\u010dka kolem \u010delovky a gopra na helm\u011b necht\u011bla povolit. Zkusil jsem se posunout, ale profil zp\u011bt byl nepr\u016flezn\u00fd. S automatikou zarytou v bahn\u011b, s bubnem v jedn\u00e9 ruce a volnou vod\u00edc\u00ed \u0161\u0148\u016frou v druh\u00e9 jsem za\u010dal panika\u0159it. Smy\u010dka \u0161\u0148\u016fry z helmy ne\u0161la ani za boha uvolnit. Je\u0161t\u011b jednou jsem se zkusil na s\u00edlu prorvat n\u00edzk\u00fdm profilem zp\u011bt. Ne\u0161lo to. Za\u010dal jsem propadat skepsi. \u201cZastavit se a vyd\u00fdchat\u201d, zn\u00ed pou\u010dka z u\u010debnic jeskynn\u00edho pot\u00e1p\u011bn\u00ed.\u00a0 <\/span>Silou v\u0161\u00ed v\u016fle jsem v\u0161eho nechal a sna\u017eil se uklidnit. Po chvilce p\u0159em\u00fd\u0161len\u00ed jsem se vr\u00e1til kus zp\u011bt a je\u0161t\u011b jednou zkusil zamotanou \u0161\u0148\u016fru z helmy uvolnit. Op\u011bt bez\u00fasp\u011b\u0161n\u011b.\u00a0 <\/span>Nezbylo tedy nic jin\u00e9ho ne\u017e \u0161\u0148\u016fru u\u0159\u00edznout. Dal jsem si maxim\u00e1ln\u00ed pozor, aby se mi nevysmekla \u0161\u0148\u016fra vedouc\u00ed ven a p\u0159e\u0159\u00edzl smy\u010dku vedouc\u00ed k helm\u011b. Te\u010f zb\u00fdvalo vysmeknut\u00ed z \u00fa\u017einy. Bylo jasn\u00e9, \u017ee cestou sem jsem musel plavat kus vedle a skute\u010dn\u011b asi o metr vpravo se mi poda\u0159ilo naj\u00edt pr\u016fchodn\u00fd profil. Za\u010dal jsem smot\u00e1vat \u0161\u0148\u016fru na chuchvalec na bubnu. Kone\u010dn\u011b se mi poda\u0159ilo naj\u00edt m\u00edsto, kde bylo aspo\u0148 tro\u0161ku vid\u011bt a dala se vyv\u00e1zat \u0161\u0148\u016fra. Ven jsem vyst\u0159elil rychlost\u00ed kulov\u00e9ho blesku. Brtn\u00edk mi pomohl z vody a j\u00e1 jen tak deset minut sed\u011bl na b\u0159ehu a d\u011bkoval v\u0161em svat\u00fdm. Mlad\u00e1 sekce zat\u00edm vyfotila, co se dalo. Po sbalen\u00ed pingl\u016f jsme postupn\u011b za\u010dali l\u00e9zt nahoru p\u0159es Komensk\u00e9ho jeskyn\u011b.\u00a0<\/span><\/p>\n\n\n\n

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Profil 2. ponoru<\/figcaption><\/figure>\n\n\n\n

Po rozmot\u00e1n\u00ed chuchvalce vod\u00edc\u00ed \u0161\u0148ury na boud\u011b lze odhadnout celkovou dosa\u017eenou vzd\u00e1lenost na 50 m ve sm\u011bru S a\u017e SV. K Wankelovu jez\u00edrku tak st\u00e1le chyb\u00ed cca 100 m. A jak\u00e9 plyne ponau\u010den\u00ed z popsan\u00e9 krizov\u00e9 situace? 1.<\/strong> V takto komplikovan\u00fdch sifonech by se m\u011blo pot\u00e1p\u011bt jen za nejlep\u0161\u00edch mo\u017en\u00fdch podm\u00ednek, tzn. v lep\u0161\u00ed viditelnosti. 2.<\/strong> Do nezn\u00e1m\u00fdch mal\u00fdch sifon\u016f si nebrat gopro na hlav\u011b nebo jin\u00e9 nadbyte\u010dn\u00e9 sou\u010d\u00e1sti v\u00fdstroje, kter\u00e9 by mohly d\u00e1t p\u0159\u00edle\u017eitost k zamot\u00e1n\u00ed se do \u0161\u0148\u016fry (mimochodem z\u00e1znam z gopra z tohoto ponoru by \u0161lo nato\u010dit v libovoln\u00e9 \u0161pinav\u00e9 kalu\u017ei). 3.<\/strong> V \u010dlenit\u00fdch prostorech je pot\u0159eba opravdu dob\u0159e d\u00e1vat pozor na mo\u017en\u00e9 zata\u017een\u00ed \u0161\u0148\u016fry do nepr\u016flezn\u00e9ho m\u00edsta. 4. <\/strong>Jak \u0159\u00edkal Dano Hut\u0148an: \u201cV\u0161echno je to o psychike\u201d. I v t\u011bch nejbeznad\u011bjn\u011bj\u0161\u00edch situac\u00edch je pot\u0159eba zachovat chladnou hlavu.<\/p>\n\n\n

\n
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Situace mezi Wankelov\u00fdm jez\u00edrkem a \u010cernou propast\u00ed<\/figcaption><\/figure>\n<\/div>\n\n\n

D\u00edky v\u0161em z\u00fa\u010dastn\u011bn\u00fdm (L\u00edd\u011b, Tom\u00e1\u0161ovi a Martinovi Ondrouchov\u00fdm, Petrovi \u0160. Jan\u00ed\u010dkovi, Em\u011b Otev\u0159elov\u00e9, Barbo\u0159e Sirotkov\u00e9) a pan\u00ed Haso\u0148ov\u00e9 ze Spr\u00e1vy jeskyn\u00ed za ochotnou spolupr\u00e1ci p\u0159i organizaci na\u0161\u00edch akc\u00ed ve Sloupsko-\u0161os\u016fvsk\u00fdch jeskyn\u00edch. Dal\u0161\u00ed pokus bude muset po\u010dkat, a\u017e bude lep\u0161\u00ed voda\u2026<\/p>\n\n\n\n

Zapsal: J. Sirotek<\/p>\n","protected":false},"excerpt":{"rendered":"

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