{"id":957,"date":"2018-09-26T22:02:21","date_gmt":"2018-09-26T20:02:21","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=957"},"modified":"2018-10-06T10:34:17","modified_gmt":"2018-10-06T08:34:17","slug":"zaciname-merit-konduktivitu-punkvy","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2018\/09\/26\/zaciname-merit-konduktivitu-punkvy\/","title":{"rendered":"Za\u010d\u00edn\u00e1me m\u011b\u0159it konduktivitu Punkvy…"},"content":{"rendered":"

\u010casoprostop\u00e1\u0161 si lehl do proudu \u0159eky a jal se rozpou\u0161t\u011bt. V\u011bd\u011bl, \u017ee to bude trvat dlouho, ale jemu na \u010dase nez\u00e1le\u017eelo, nic pro n\u011bj neznamenal\u2026 H\u016f\u0159 na tom byli H\u0159\u00edbek a F\u00fa, kte\u0159\u00ed mu sl\u00edbili, \u017ee aspo\u0148 pades\u00e1t let vydr\u017e\u00ed m\u011b\u0159it, co to jeho rozpou\u0161t\u011bn\u00ed s\u00a0vodou d\u011bl\u00e1. \u010casoprostop\u00e1\u0161 p\u0159edpokl\u00e1dal, \u017ee prvn\u011b se nic moc d\u00edt nebude, ale pak, jak se do vody za\u010dnou vp\u00edjet jednotliv\u00e9 \u010d\u00e1sti jeho t\u011bla, za\u010dne se m\u011bnit chemick\u00e9 slo\u017een\u00ed \u0159\u00ed\u010dn\u00ed vody a stejn\u011b tak proud, kter\u00fd \u0159eka vede\u2026<\/em><\/p>\n

A tak chud\u00e1ci H\u0159\u00edbek a F\u00fa ka\u017ed\u00fd den museli k\u00a0\u0159ece, aby v\u0161echno pom\u011b\u0159ili. Jejich \u010dinnost p\u0159i\u0161la lidem po\u0161etil\u00e1, a tak, aby se z\u00a0toho H\u0159\u00edbek a F\u00fa nezbl\u00e1znili, vymysleli si svou teorii, k\u00a0\u010demu je to jejich kon\u00e1n\u00ed vlastn\u011b dobr\u00e9. Za pades\u00e1t let tu teorii v\u011bru kr\u00e1sn\u011b rozvinuli a nakonec si sv\u016fj kus sl\u00e1vy na tom sv\u011bt\u011b vydobyli. Trochu si sice vym\u00fd\u0161leli, ale lidi je za\u010dali m\u00edt r\u00e1di\u2026 Jejich karma se \u010dernala, ale st\u00e1lo jim to za to\u2026<\/em><\/p>\n

Ka\u017edop\u00e1dn\u011b, po ukon\u010den\u00ed sv\u00e9ho pokusu je cht\u011bl \u010casoprostop\u00e1\u0161 o jejich zku\u0161enosti zk\u00e1snout, ale ti dva na to \u0161li chyt\u0159e… Sv\u00e9 \u010d\u00edm d\u00e1l dokonalej\u0161\u00ed teorie d\u00e1vali k\u00a0dispozici jen \u00fazk\u00fdm kruh\u016fm r\u016fzn\u00fdch spiklenc\u016f a \u010casoprostop\u00e1\u0161 se nakonec dozv\u011bd\u011bl hovno\u2026 \u201eTo ti byly ob\u010das prdy, pane\u2026!\u201c sm\u00e1l se mu H\u0159\u00edbek do tv\u00e1\u0159e\u2026<\/em><\/p>\n

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\u00daryvek ze\u00a0zat\u00edm \u201e\u0161upl\u00edkov\u00e9\u201c verze trochu bl\u00e1zniv\u00e9 knihy na vlastn\u00ed p\u0159\u00e1n\u00ed nejmenovan\u00e9ho autora se mi dnes hodil k tomu, jak za\u010d\u00edt ps\u00e1t o\u00a0t\u00e9matu, o kter\u00e9m toho vlastn\u011b moc nev\u00edm\u2026 M\u011brn\u00e1 vodivost (neboli konduktivita) vody\u2026 No, v\u00edm, \u017ee velikost konduktivity je p\u0159\u00edmo \u00fam\u011brn\u00e1 mno\u017estv\u00ed ve vod\u011b rozpu\u0161t\u011bn\u00fdch miner\u00e1ln\u00edch l\u00e1tek a v\u00a0podstat\u011b vyjad\u0159uje schopnost vody v\u00e9st elektrick\u00fd proud.\u00a0 Dal\u0161\u00ed informace o fyzik\u00e1ln\u00ed veli\u010din\u011b zvan\u00e9 konduktivita, pota\u017emo konduktivita vody, si jist\u011b ka\u017ed\u00fd dok\u00e1\u017ee vyhledat t\u0159eba na wikipedii, tak\u017ee nen\u00ed d\u016fvod se sna\u017eit d\u011blat tu \u201echytr\u00e9ho\u201c\u2026 Tedy pokro\u010dme…<\/p>\n

Z\u00a0hydrologick\u00e9ho hlediska je mo\u017en\u00e1 zaj\u00edmav\u00e9, \u017ee konduktivita, jako\u017eto jeden z\u00a0ukazatel\u016f jakosti vody, se sleduje na \u010distic\u00edch stanic\u00edch odpadn\u00edch vod, kolegov\u00e9 \u201epodzem\u00e1ci\u201c zase m\u011b\u0159\u00ed jej\u00ed hodnotu v pramenech a tak\u00e9 se konduktivity d\u00e1 vyu\u017e\u00edt k\u00a0m\u011b\u0159en\u00ed pr\u016ftoku vody v\u00a0\u0159\u00ed\u010dn\u00edch profilech\u2026 \u0158\u00edk\u00e1 se tomu sm\u011b\u0161ovac\u00ed metoda, kter\u00e1 je zalo\u017eena na tom, \u017ee do byst\u0159inn\u00e9ho vodn\u00edho toku vsypeme ur\u010dit\u00e9 mno\u017estv\u00ed soli a kousek n\u00ed\u017ee po toku m\u011b\u0159\u00edme k\u0159ivku rostouc\u00ed a pot\u00e9 klesaj\u00edc\u00ed hodnoty m\u011brn\u00e9 vodivosti. Z\u00a0t\u00e9to k\u0159ivky se pak vypo\u010d\u00edt\u00e1 pr\u016ftokov\u00e9 mno\u017estv\u00ed v\u00a0tom konkr\u00e9tn\u00edm profilu.<\/p>\n

Posledn\u00ed dobou jsme si konduktivity vody za\u010dali v\u00edce v\u0161\u00edmat p\u0159i na\u0161ich ter\u00e9nn\u00edch v\u00fdjezdech, p\u0159edev\u0161\u00edm do Moravsk\u00e9ho krasu. Jej\u00ed hodnota se pohybuje zhruba od 50 \u00b5S\/m v\u00a0horsk\u00fdch \u0159ek\u00e1ch na \u017eulov\u00e9m horninov\u00e9m podkladu (t\u0159eba u koleg\u016f z\u00a0Jizersk\u00fdch hor) po dejme tomu 800 \u00b5S\/m, kter\u00e9 jsme nam\u011b\u0159ili v\u00a0Amat\u00e9rsk\u00e9 jeskyni, \u010di v toku \u0158\u00ed\u010dky pod jej\u00edmi v\u00fdv\u011bry u Kapr\u00e1lova ml\u00fdna. Toky Moravsk\u00e9ho krasu maj\u00ed konduktivitu r\u016fznou, hlavn\u011b podle toho, jedn\u00e1-li se o vodu nad ponory nebo o vodu vyt\u00e9kaj\u00edc\u00ed z\u00a0krasov\u00fdch vyv\u011bra\u010dek, tedy zna\u010dn\u011b obohacenou o rozpu\u0161t\u011bn\u00fd v\u00e1pn\u00edk. Tak\u017ee k\u00a0otev\u0159en\u00fdm v\u00e1pencov\u00fdm skal\u00e1m ze severu tekouc\u00ed Luha m\u00e1 konduktivitu p\u0159ibli\u017en\u011b 200 \u00b5S\/m a B\u00edl\u00e1 voda 400 \u00b5S\/m. S\u00e1m tento rozd\u00edl v\u00a0hodnot\u00e1ch vodivosti obou ponorn\u00fdch tok\u016f je z\u00a0hlediska ji\u017e \u010dtvrt tis\u00edcilet\u00ed trvaj\u00edc\u00edho hled\u00e1n\u00ed podzemn\u00edch cest jejich vod a\u017e k soutoku a tedy m\u00edstu vzniku Punkvy zaj\u00edmav\u00fd a stoj\u00ed za trochu prozkoum\u00e1n\u00ed. \u0158eka Punkva pod jej\u00edm v\u00fdv\u011brem z\u00a0Punkevn\u00edch jeskyn\u00ed m\u00e1 konduktivitu p\u0159ibli\u017en\u011b 450 \u00b5S\/m p\u0159i \u201enorm\u00e1ln\u00edch\u201c pr\u016ftoc\u00edch kolem jednoho kubick\u00e9ho metru za sekundu a 600 \u00b5S\/m p\u0159i sou\u010dasn\u00fdch minim\u00e1ln\u00edch pr\u016ftoc\u00edch kolem sta vte\u0159inov\u00fdch litr\u016f. A o moc v\u00edc toho zat\u00edm nev\u00edme\u2026<\/p>\n

A tak jsme se rozhodli, \u017ee m\u011b\u0159en\u00edmi pro\u0161pikovan\u00e9 povod\u00ed Punkvy obohat\u00edme je\u0161t\u011b o m\u011b\u0159en\u00ed konduktivity. Zaj\u00edm\u00e1 n\u00e1s hlavn\u011b, jak\u00e1 je vlastn\u011b prom\u011bnlivost konduktivity \u0159\u00ed\u010dn\u00ed vody v\u00a0\u010dase v\u00a0porovn\u00e1n\u00ed s\u00a0m\u011bn\u00edc\u00edm se pr\u016ftokem. Tak\u00e9 m\u00ed\u0161en\u00ed rozd\u00edln\u011b mineralizovan\u00fdch vod Sloupsk\u00e9ho potoka a B\u00edl\u00e9 vody m\u016f\u017ee b\u00fdt zaj\u00edmav\u00e9\u2026 T\u011b\u017eko ale \u0159\u00edct, co si od toho slibovat\u2026 N\u00e1zory na kvalitu kontinu\u00e1ln\u00edho m\u011b\u0159en\u00ed vodivosti vody nejsou v\u011bt\u0161inou moc povzbuzuj\u00edc\u00ed\u2026 Ale co\u017e, n\u00e1kup \u010dty\u0159 sond nen\u00ed nijak n\u00e1kladn\u00e1 z\u00e1le\u017eitost a ta trocha pr\u00e1ce nav\u00edc n\u00e1s taky snad \u201enezabije\u201c\u2026<\/p>\n

 <\/p>\n

Poh\u00e1dka nakonec…<\/strong><\/p>\n

A tak jsme v posledn\u00edch p\u00e1r dnech m\u011b\u0159en\u00edm konduktivity vybavili LG stanici na Skaln\u00edm Ml\u00fdn\u011b (Punkva pod v\u00fdv\u011bry) a t\u0159i LG stanice nad propad\u00e1n\u00edmi – Hol\u0161tejn na B\u00edl\u00e9 vod\u011b, Sloup na Sloupsk\u00e9m potoce a jako posledn\u00ed Vl\u010d\u00ed sk\u00e1lu na toku Luhy. A pr\u00e1v\u011b tam n\u00e1m s prac\u00ed pomohlo prom\u011bnliv\u00e9 po\u010das\u00ed posledn\u00edch dn\u00ed, respektive n\u00e1sledek bou\u0159e Fabienne, kter\u00e1 jinak brn\u011bnsko p\u0159\u00edli\u0161 nepostihla…<\/p>\n

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Rourov\u00fd limnigraf na Vl\u010d\u00ed sk\u00e1le v objet\u00ed mocn\u00e9 bukov\u00e9 v\u011btve.<\/figcaption><\/figure>\n

Mocn\u00e1 v\u011btev, kter\u00e1 se n\u00e1sledkem v\u011btru ulomila z buku stoj\u00edc\u00edho p\u00e1r metr\u016f od na\u0161\u00ed LG stanice na Vl\u010d\u00ed sk\u00e1le, spadla na zem opravdu poh\u00e1dkov\u011b. Nejen\u017ee stanici skoro ani ne\u0161kr\u00e1bla, ale vytvo\u0159ila kr\u00e1sn\u00fd most, kter\u00fd n\u00e1m instalaci vodivostn\u00ed sondy na jinak trochu nepohodln\u011b p\u0159\u00edstupn\u00e9m dataloggeru \u00fa\u017easn\u011b usnadnil!<\/p>\n

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Chv\u00edli jsme p\u0159em\u00fd\u0161leli, jak tento p\u0159\u00edrodn\u00ed most zachovat, ani\u017e by byla omezena pr\u016fto\u010dnost profilu…<\/figcaption><\/figure>\n

Neb\u00fdt toho, \u017ee dal\u0161\u00ed \u010d\u00e1sti v\u011btve v\u00fdrazn\u011b zasahuj\u00ed do pr\u016fto\u010dn\u00e9ho profilu Luhy, j\u00e1 i kolega by jsme toto vylep\u0161en\u00ed s nad\u0161en\u00edm zachovali… Ale ned\u00e1 se nic d\u011blat, po cest\u011b zp\u011bt zastavujeme ve Sloupu u hajn\u00e9ho, abychom jej po\u017e\u00e1dali o odstran\u011bn\u00ed v\u011btve. \u0158ekl n\u00e1m, \u017ee v\u010dera odpoledne na Vl\u010d\u00ed sk\u00e1le byl a \u017e\u00e1dn\u00e1 v\u011btev tam nele\u017eela, tak\u017ee n\u00e1m tento p\u0159\u00edrodn\u00ed most spadl z nebe doslova na objedn\u00e1vku p\u00e1r hodin p\u0159ed na\u0161\u00edm p\u0159\u00edjezdem. Historka ban\u00e1ln\u00ed a nebo sama Proz\u0159etelnost n\u00e1m upravuje cestu…? Co by na to \u0159ekl H\u0159\u00edbek a co F\u00fa…?<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u010casoprostop\u00e1\u0161 si lehl do proudu \u0159eky a jal se rozpou\u0161t\u011bt. V\u011bd\u011bl, \u017ee to bude trvat dlouho, ale jemu na \u010dase nez\u00e1le\u017eelo, nic pro n\u011bj neznamenal\u2026 H\u016f\u0159 na tom byli H\u0159\u00edbek a F\u00fa, kte\u0159\u00ed mu sl\u00edbili, \u017ee aspo\u0148 pades\u00e1t let vydr\u017e\u00ed m\u011b\u0159it, co to jeho rozpou\u0161t\u011bn\u00ed s\u00a0vodou d\u011bl\u00e1. \u010casoprostop\u00e1\u0161 p\u0159edpokl\u00e1dal, \u017ee prvn\u011b se nic moc d\u00edt […]<\/p>\n","protected":false},"author":4,"featured_media":960,"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":[6],"tags":[50,51],"coauthors":[27],"class_list":["post-957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other","tag-mereni","tag-punkva","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2018\/09\/esv11-s-kabelem.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-fr","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/957","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=957"}],"version-history":[{"count":13,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/957\/revisions"}],"predecessor-version":[{"id":989,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/957\/revisions\/989"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/960"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=957"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}