{"id":2753,"date":"2024-11-28T16:29:22","date_gmt":"2024-11-28T15:29:22","guid":{"rendered":"http:\/\/blog.snowtrex.de\/allgemein\/wie-wird-kunstschnee-gemacht\/"},"modified":"2025-06-26T15:10:29","modified_gmt":"2025-06-26T13:10:29","slug":"jak-se-vyrabi-umely-snih","status":"publish","type":"post","link":"https:\/\/www.snowtrex.cz\/magazin\/udrzitelnost\/jak-se-vyrabi-umely-snih\/","title":{"rendered":"Jak se vyr\u00e1b\u00ed um\u011bl\u00fd sn\u00edh?"},"content":{"rendered":"

Milovn\u00edci zimn\u00edch sport\u016f o\u010dek\u00e1vaj\u00ed na sv\u00e9 ly\u017ea\u0159sk\u00e9 dovolen\u00e9 perfektn\u011b upraven\u00e9 sjezdovky s hustou sn\u011bhovou pokr\u00fdvkou. Aby se to zajistilo i v p\u0159\u00edpad\u011b, \u017ee je sn\u011bhu m\u00e1lo, existuje osv\u011bd\u010den\u00e1 metoda: v\u00fdroba takzvan\u00e9ho „technick\u00e9ho sn\u011bhu“ neboli um\u011bl\u00e9ho sn\u011bhu. SnowTrex<\/a> ukazuje, jak cel\u00fd proces funguje a jak\u00e9 m\u00e1 v\u00fdhody a nev\u00fdhody.<\/strong><\/p>\n

\n
\n \"Sn\u011b\u017en\u00e9<\/a>
\u00a9 Natali Glado\/shutterstock.de<\/div>\n <\/div>\n
Sn\u011b\u017en\u00e9 d\u011blo vyr\u00e1b\u011bj\u00edc\u00ed um\u011bl\u00fd sn\u00edh<\/div>\n <\/div > \n

\n <\/span><\/p>\n
\n Obsah\n <\/div>\n
\n Vyn\u00e1lez um\u011bl\u00e9ho sn\u011bhu<\/span><\/a>Sou\u010d\u00e1sti um\u011bl\u00e9ho sn\u011bhu<\/span><\/a>V\u00fdroba um\u011bl\u00e9ho sn\u011bhu: sn\u011bhov\u00e9 d\u011blo, sn\u011bhov\u00e9 kop\u00ed a um\u011bl\u00fd mrak<\/span><\/a>Um\u011bl\u00fd sn\u00edh a jeho vliv na \u017eivotn\u00ed prost\u0159ed\u00ed<\/span><\/a>V\u00fdhody um\u011bl\u00e9ho zasn\u011b\u017eov\u00e1n\u00ed<\/span><\/a>Nej\u010dast\u011bj\u0161\u00ed dotazy o um\u011bl\u00e9m sn\u011bhu<\/span><\/a>\n <\/div>\n<\/p><\/div>\n
\n

Vyn\u00e1lez um\u011bl\u00e9ho sn\u011bhu<\/h2>\n

Z\u00e1kladn\u00ed princip syst\u00e9m\u016f na v\u00fdrobu sn\u011bhu byl objeven n\u00e1hodou na konci 40. let 20. stolet\u00ed: americk\u00fd v\u00fdzkumn\u00edk st\u0159\u00edkal vodu do aerodynamick\u00e9ho tunelu p\u0159i n\u00edzk\u00fdch teplot\u00e1ch, aby prozkoumal n\u00e1mrazu tryskov\u00fdch motor\u016f. Neo\u010dek\u00e1van\u011b tak vznikl sn\u00edh. Od t\u00e9 doby se tento \u00fa\u010dinn\u00fd princip v\u00fdroby sn\u011bhu \u00fasp\u011b\u0161n\u011b vyu\u017e\u00edv\u00e1 v zimn\u00ed turistice.<\/p>\n

\n
\n \"N\u00e1hodn\u00fd<\/a>
\u00a9 Mr. Green\/shutterstock.de<\/div>\n <\/div>\n
N\u00e1hodn\u00fd objev americk\u00e9ho v\u00fdzkumn\u00edka ze 40. let 20. stolet\u00ed m\u00e1 dnes z\u00e1sadn\u00ed v\u00fdznam pro provoz nespo\u010dtu ly\u017ea\u0159sk\u00fdch st\u0159edisek<\/div>\n <\/div > \n

Sou\u010d\u00e1sti um\u011bl\u00e9ho sn\u011bhu<\/h2>\n

Z\u00e1kladem um\u011bl\u00e9ho sn\u011bhu je voda. Voda pot\u0159ebn\u00e1 k v\u00fdrob\u011b obvykle poch\u00e1z\u00ed z taj\u00edc\u00ed vody z potok\u016f nebo z um\u011bl\u00fdch n\u00e1dr\u017e\u00ed v okol\u00ed. Aby bylo mo\u017en\u00e9 uspokojit rostouc\u00ed popt\u00e1vku po um\u011ble vyr\u00e1b\u011bn\u00e9m sn\u011bhu, buduje se v bl\u00edzkosti sjezdovek st\u00e1le v\u00edce t\u011bchto n\u00e1dr\u017e\u00ed a z\u00e1sobn\u00edk\u016f.<\/p>\n

Za \u00fa\u010delem optimalizace energetick\u00e9 \u00fa\u010dinnosti v\u00fdroby technick\u00e9ho sn\u011bhu byly v posledn\u00edch letech vynalezeny r\u016fzn\u00e9 metody „\u00fapravy“ vody p\u0159ed v\u00fdrobou um\u011bl\u00e9ho sn\u011bhu. Nap\u0159\u00edklad americk\u00e1 spole\u010dnost Snomax vyvinula proces, p\u0159i n\u011bm\u017e se do vody p\u0159id\u00e1vaj\u00ed bakteri\u00e1ln\u00ed proteiny, kter\u00e9 napom\u00e1haj\u00ed rychlej\u0161\u00edmu zamrz\u00e1n\u00ed vodn\u00edch kapek. Tato krystaliza\u010dn\u00ed j\u00e1dra umo\u017e\u0148uj\u00ed zmrazen\u00ed vody i p\u0159i teplot\u00e1ch nad nulou.<\/p>\n

Vzhledem k tomu, \u017ee tato metoda je velmi kontroverzn\u00ed, nemus\u00ed b\u00fdt pou\u017e\u00edv\u00e1na ve v\u0161ech ly\u017ea\u0159sk\u00fdch st\u0159edisc\u00edch nebo je na mnoha m\u00edstech povolena jen v omezen\u00e9 m\u00ed\u0159e. N\u011bmeck\u00fd ly\u017ea\u0159sk\u00fd svaz (DSV) nap\u0159\u00edklad zd\u016fraz\u0148uje, \u017ee chemick\u00e9 prost\u0159edky se sm\u011bj\u00ed pou\u017e\u00edvat pouze na trat\u00edch ly\u017ea\u0159sk\u00fdch z\u00e1vod\u016f, aby se vytvo\u0159ily st\u00e1l\u00e9 sout\u011b\u017en\u00ed podm\u00ednky. Pro v\u00fdrobu um\u011bl\u00e9ho sn\u011bhu v\u0161ak v z\u00e1sad\u011b \u017e\u00e1dn\u00e9 chemick\u00e9 l\u00e1tky nejsou pot\u0159eba.<\/p>\n

V\u00fdroba um\u011bl\u00e9ho sn\u011bhu: sn\u011bhov\u00e9 d\u011blo, sn\u011bhov\u00e9 kop\u00ed a um\u011bl\u00fd mrak<\/h2>\n

Technick\u00e9 postupy v\u00fdroby um\u011bl\u00e9ho sn\u011bhu napodobuj\u00ed p\u0159irozenou tvorbu sn\u011bhu. Mal\u00e9 kapky vody zmrznou a prom\u011bn\u00ed se ve sn\u011bhov\u00e9 krystalky. K v\u00fdrob\u011b um\u011bl\u00e9ho sn\u011bhu v ly\u017ea\u0159sk\u00fdch st\u0159edisc\u00edch se pou\u017e\u00edvaj\u00ed sn\u011bhov\u00e1 d\u011bla i sn\u011bhov\u00e1 kop\u00ed.<\/p>\n

Um\u011bl\u00fd sn\u00edh ze sn\u011b\u017en\u00e9ho d\u011bla<\/h3>\n

Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f se k v\u00fdrob\u011b um\u011bl\u00e9ho sn\u011bhu pou\u017e\u00edv\u00e1 tzv. vrtulov\u00e9 d\u011blo. Z\u00e1kladn\u00edm prvkem tohoto stroje je velk\u00e1 vrtule, kter\u00e1 je nap\u00e1jena vodou a elekt\u0159inou a vytv\u00e1\u0159\u00ed siln\u00fd proud vzduchu. Voda je rozst\u0159ikov\u00e1na tryskami p\u0159ed vrtul\u00ed a proudem stla\u010den\u00e9ho vzduchu je dopravov\u00e1na do studen\u00e9ho a such\u00e9ho zimn\u00edho vzduchu.<\/p>\n

V z\u00e1vislosti na pov\u011btrnostn\u00edch podm\u00ednk\u00e1ch lze nastavit velikost vodn\u00edch kapek tak, aby vznikl co nejlep\u0161\u00ed um\u011bl\u00fd sn\u00edh. P\u0159i n\u00edzk\u00e9 vlhkosti vzduchu (p\u0159ibli\u017en\u011b 30 %) lze tento proces pou\u017e\u00edvat p\u0159i teplot\u00e1ch do 1 \u00b0C; p\u0159i 80 % vlhkosti vzduchu jsou nutn\u00e9 teploty pod -4 \u00b0C. Naopak to znamen\u00e1, \u017ee \u010d\u00edm vy\u0161\u0161\u00ed je vlhkost, t\u00edm ni\u017e\u0161\u00ed mus\u00ed b\u00fdt venkovn\u00ed teploty.<\/p>\n

Um\u011bl\u00fd sn\u00edh ze sn\u011bhov\u00e9ho kop\u00ed<\/h3>\n

Dal\u0161\u00ed metodou v\u00fdroby sn\u011bhu jsou sn\u011bhov\u00e1 kop\u00ed. Tato za\u0159\u00edzen\u00ed, kter\u00e1 vypadaj\u00ed jako tenk\u00e9 lampi\u00f3ny, jsou trvale instalov\u00e1na na okraji sjezdovky. Vyfukuj\u00ed rozpra\u0161ovanou vodu spolu se stla\u010den\u00fdm vzduchem a vytv\u00e1\u0159ej\u00ed jemn\u00fd sn\u011bhov\u00fd popra\u0161ek, kter\u00fd pak st\u00e9k\u00e1 na sjezdovku.<\/p>\n

\n
\n \"Krom\u011b<\/a>
\u00a9 kovop58\/shutterstock.de<\/div>\n <\/div>\n
Krom\u011b sn\u011b\u017en\u00fdch d\u011bl v tradi\u010dn\u00ed, pon\u011bkud t\u011b\u017ekop\u00e1dn\u00e9 podob\u011b vyr\u00e1b\u011bj\u00ed kvalitn\u00ed um\u011bl\u00fd sn\u00edh tak\u00e9 \u00fazk\u00e1 sn\u011b\u017en\u00e1 kop\u00ed ve tvaru lucerny<\/div>\n <\/div > \n

Um\u011bl\u00fd sn\u00edh z um\u011bl\u00fdch mrak\u016f<\/h3>\n

Zcela novou technologi\u00ed je v\u00fdroba \u010derstv\u00e9ho sn\u011bhu z um\u011bl\u00fdch mrak\u016f, kterou vyvinul t\u00fdm v\u011bdc\u016f pod veden\u00edm in\u017een\u00fdra Michaela Bachera. Um\u011bl\u00fd mrak, kter\u00fd byl instalov\u00e1n jako laborato\u0159 pod \u0161ir\u00fdm nebem v ly\u017ea\u0159sk\u00e9 oblasti Obergurgl-Hochgurgl<\/a>, se testuje od listopadu 2014. Cel\u00fd syst\u00e9m je vysok\u00fd t\u0159i a p\u016fl metru. Skl\u00e1d\u00e1 se z balonu o pr\u016fm\u011bru dva a p\u016fl metru, kter\u00fd je zase \u00fast\u0159edn\u00edm prvkem konstrukce tvo\u0159en\u00e9 trojno\u017ekou z ocelov\u00fdch nosn\u00edk\u016f.<\/p>\n

St\u0159edobodem konstrukce je obla\u010dn\u00e1 komora, kter\u00e1 umo\u017e\u0148uje m\u00edch\u00e1n\u00ed vodn\u00edch kapek a ledov\u00fdch jader. Kapky vody se rozpra\u0161uj\u00ed a vytv\u00e1\u0159ej\u00ed mal\u00fd um\u011bl\u00fd oblak. D\u00edky n\u00edzk\u00e9 okoln\u00ed teplot\u011b (pod bodem mrazu) se kapky ochlad\u00ed, ani\u017e by samy zmrzly. Do t\u00e9to mlhy se vn\u00e1\u0161ej\u00ed krystaliza\u010dn\u00ed j\u00e1dra, tak\u0159\u00edkaj\u00edc mal\u00e9 zmrzl\u00e9 ledov\u00e9 vlo\u010dky. Tato j\u00e1dra se rozrostou ve v\u011bt\u0161\u00ed krystaly a nakonec vypadnou z n\u00e1doby mraku jako sn\u00edh. Tento proces napodobuje proces ve skute\u010dn\u00e9m mraku, jeho\u017e v\u00fdsledkem jsou skute\u010dn\u00e9 sn\u011bhov\u00e9 krystalky. Technologie je stejn\u011b jednoduch\u00e1 jako d\u016fmysln\u00e1.<\/p>\n

Um\u011bl\u00fd sn\u00edh a jeho vliv na \u017eivotn\u00ed prost\u0159ed\u00ed<\/h2>\n

Neust\u00e1le se diskutuje o tom, zda je um\u011bl\u00fd sn\u00edh pro p\u0159\u00edrodu \u0161kodliv\u00fd, \u010di nikoli. Jedn\u00edm z nejv\u011bt\u0161\u00edch bod\u016f kritiky je vysok\u00e1 spot\u0159eba energie a vody p\u0159i v\u00fdrob\u011b um\u011bl\u00e9ho sn\u011bhu, kter\u00e1 m\u00e1 dlouhodob\u00fd dopad na \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n

Um\u011ble vyroben\u00fd sn\u00edh m\u00e1 tak\u00e9 jin\u00fd tvar ne\u017e sn\u00edh p\u0159\u00edrodn\u00ed, co\u017e m\u016f\u017ee m\u00edt negativn\u00ed dopad na ekosyst\u00e9m na hor\u00e1ch. Vlo\u010dky, kter\u00e9 padaj\u00ed p\u0159irozen\u011b z nebe, maj\u00ed \u0161esti\u00faheln\u00edkov\u00fd krystalick\u00fd tvar. Zmrzl\u00e9, um\u011ble vyroben\u00e9 kapky vody maj\u00ed naopak kulat\u00fd tvar. V d\u016fsledku toho maj\u00ed tyto „vlo\u010dky“ vy\u0161\u0161\u00ed hustotu a taj\u00ed pomaleji. Pomalej\u0161\u00ed t\u00e1n\u00ed um\u011bl\u00e9ho sn\u011bhu m\u00e1 za n\u00e1sledek zpo\u017ed\u011bn\u00ed r\u016fstu rostlin. To m\u016f\u017ee po\u0161kodit rostliny pod sn\u011bhovou pokr\u00fdvkou, pokud na ja\u0159e je\u0161t\u011b bojuj\u00ed s rozmrzaj\u00edc\u00ed vodou z um\u011bl\u00e9ho sn\u011bhu. V n\u011bkter\u00fdch p\u0159\u00edpadech je regenera\u010dn\u00ed f\u00e1ze p\u016fdy a rostlin ovlivn\u011bna do t\u00e9 m\u00edry, \u017ee i v l\u00e9t\u011b lze na hor\u00e1ch odhalit hn\u011bd\u00e9 stopy v m\u00edstech, kde byl v zim\u011b svah z um\u011bl\u00e9ho sn\u011bhu.<\/p>\n

\n
\n \"Na<\/a>
\u00a9 Bachkova Natalia\/shutterstock.de<\/div>\n <\/div>\n
Na ja\u0159e rostliny na ho\u0159e bojuj\u00ed zejm\u00e9na tam, kde byla v zim\u011b um\u011ble zasn\u011b\u017een\u00e1 sjezdovka<\/div>\n <\/div > \n

Dal\u0161\u00edm d\u016fle\u017eit\u00fdm aspektem v\u00fdroby um\u011bl\u00e9ho sn\u011bhu je mno\u017estv\u00ed pot\u0159ebn\u00e9 vody a elektrick\u00e9 energie. Jedn\u00edm sn\u011b\u017en\u00fdm d\u011blem se za minutu vyfoukne p\u0159es 200 litr\u016f vody. Aby bylo mo\u017en\u00e9 tento v\u00fdkon udr\u017eet, mus\u00ed b\u00fdt syst\u00e9my neust\u00e1le z\u00e1sobov\u00e1ny energi\u00ed. Odborn\u00edci odhaduj\u00ed, \u017ee na v\u00fdrobu sn\u011bhu na jednom hektaru (10 000 m2) je za sez\u00f3nu pot\u0159eba p\u0159ibli\u017en\u011b 20 000 kilowatthodin elektrick\u00e9 energie.<\/p>\n

Ly\u017ea\u0159sk\u00e1 st\u0159ediska spol\u00e9haj\u00ed na ekologickou elekt\u0159inu a technologie<\/h3>\n

Podle samotn\u00fdch lanovk\u00e1\u0159\u016f je od za\u010d\u00e1tku roku 2020 v\u00edce ne\u017e 50 % sjezdovek ve \u0160v\u00fdcarsku um\u011ble zasn\u011b\u017eov\u00e1no. V Rakousku je to dokonce p\u0159es 70 procent. Podle ekologick\u00e9 organizace BUND bylo v roce 2015 v alpsk\u00e9m regionu um\u011bl\u00fdm sn\u011bhem upraveno ji\u017e 70 000 hektar\u016f – a trend je rostouc\u00ed. Vzhledem k t\u011bmto \u010d\u00edsl\u016fm se provozovatel\u00e9 lanovek ji\u017e nyn\u00ed sna\u017e\u00ed co nejv\u00edce sn\u00ed\u017eit velikost sv\u00e9 ekologick\u00e9 stopy. Vezm\u011bme si nap\u0159\u00edklad Rakousko: zde je nyn\u00ed t\u00e9m\u011b\u0159 100 % energetick\u00e9 pot\u0159eby na hor\u00e1ch pokryto m\u00edstn\u00ed zelenou elekt\u0159inou. V ly\u017ea\u0159sk\u00e9m st\u0159edisku SkiWelt Wilder Kaiser – Brixental<\/a> je t\u00edmto zp\u016fsobem ji\u017e v\u00edce ne\u017e 20 let nap\u00e1jeno cel\u00e9 ly\u017ea\u0159sk\u00e9 st\u0159edisko. Podobn\u00e1 situace je i ve \u0160v\u00fdcarsku, kde pod\u00edl zelen\u00e9 elekt\u0159iny pro provoz sjezdovek st\u00e1le roste. Mnoho ly\u017ea\u0159sk\u00fdch st\u0159edisek v Alp\u00e1ch v posledn\u00edch letech investovalo i do dal\u0161\u00edch nov\u00fdch technologi\u00ed, aby sn\u00ed\u017eilo spot\u0159ebu energie, a t\u00edm i pot\u0159ebu um\u011bl\u00e9ho zasn\u011b\u017eov\u00e1n\u00ed.<\/p>\n

Nap\u0159\u00edklad v Ischglu<\/a> mohou spr\u00e1vce sjezdovek a jeho zam\u011bstnanci pomoc\u00ed syst\u00e9mu s podporou GPS m\u011b\u0159it aktu\u00e1ln\u00ed v\u00fd\u0161ku sn\u011bhu v re\u00e1ln\u00e9m \u010dase a ur\u010dit tak, kde je je\u0161t\u011b t\u0159eba um\u011ble zasn\u011b\u017eovat a kde ne. D\u00edky t\u00e9to technologii odpov\u011bdn\u00ed pracovn\u00edci v Silvretta Aren\u011b<\/a> odhaduj\u00ed, \u017ee nyn\u00ed u\u0161et\u0159\u00ed t\u00e9m\u011b\u0159 20 % strojov\u011b vyroben\u00e9ho sn\u011bhu ro\u010dn\u011b ve srovn\u00e1n\u00ed s dobou p\u0159ed zaveden\u00edm syst\u00e9mu. Celkov\u011b \u010din\u00ed pod\u00edl v\u00fdroby um\u011bl\u00e9ho sn\u011bhu spolu s provozem lanovek na celkov\u00e9 energetick\u00e9 n\u00e1ro\u010dnosti v odv\u011btv\u00ed ly\u017ea\u0159sk\u00e9 turistiky 4 %. Pro srovn\u00e1n\u00ed: na cesty do st\u0159ediska a zp\u011bt p\u0159ipad\u00e1 38 %.<\/p>\n

V\u00fdhody um\u011bl\u00e9ho zasn\u011b\u017eov\u00e1n\u00ed<\/h2>\n

Navzdory kritice m\u00e1 technicky vyr\u00e1b\u011bn\u00fd sn\u00edh i n\u011bkter\u00e9 v\u00fdhody: Na jedn\u00e9 stran\u011b je jeho konzistence t\u00e9m\u011b\u0159 v\u017edy stejn\u00e1, a proto je pro ly\u017ea\u0159e „p\u0159edv\u00eddateln\u011bj\u0161\u00ed“. P\u0159\u00edrodn\u00ed sn\u00edh se naopak m\u016f\u017ee v z\u00e1vislosti na obsahu vody pohybovat od velmi sypk\u00e9ho a\u017e po extr\u00e9mn\u011b lepiv\u00fd.<\/p>\n

Jinak um\u011bl\u00fd sn\u00edh odt\u00e1v\u00e1 mnohem pomaleji ne\u017e p\u0159\u00edrodn\u00ed sn\u00edh, a proto nab\u00edz\u00ed milovn\u00edk\u016fm zimn\u00edch sport\u016f del\u0161\u00ed z\u00e1bavu na sjezdovce. Um\u011bl\u00fd sn\u00edh m\u00e1 toti\u017e vy\u0161\u0161\u00ed obsah vody ne\u017e p\u0159\u00edrodn\u00ed sn\u00edh: zat\u00edmco jeden metr krychlov\u00fd p\u0159\u00edrodn\u00edho sn\u011bhu m\u016f\u017ee v\u00e1\u017eit a\u017e 400 kg, stejn\u00e9 mno\u017estv\u00ed um\u011bl\u00e9ho sn\u011bhu v\u00e1\u017e\u00ed a\u017e 800 kg. Stla\u010den\u00fd tvar sn\u011bhov\u00fdch zrn zpomaluje proces rosen\u00ed. Pokud tedy ly\u017ea\u0159i a snowboardist\u00e9 je\u0161t\u011b v l\u00e9t\u011b vid\u00ed na sjezdovk\u00e1ch b\u00edl\u00e9 pruhy sn\u011bhu, jedn\u00e1 se s nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed o sn\u00edh um\u011bl\u00fd.<\/p>\n

\n
\n \"Sn\u011bhov\u00e1<\/a>
\u00a9 al7\/shutterstock.de<\/div>\n <\/div>\n
Sn\u011bhov\u00e1 d\u011bla ji\u017e nemus\u00ed b\u00fdt v ly\u017ea\u0159sk\u00e9m are\u00e1lu instalov\u00e1na trvale. Syst\u00e9my namontovan\u00e9 na stojanech je nyn\u00ed mo\u017en\u00e9 podle pot\u0159eby tak\u00e9 p\u0159epravovat<\/div>\n <\/div > \n

G\u00fcnther Aigner, renomovan\u00fd futurolog v oblasti alpsk\u00e9 ly\u017ea\u0159sk\u00e9 turistiky, vysv\u011btluje dal\u0161\u00ed pozitivn\u00ed vlastnost um\u011bl\u00e9ho zasn\u011b\u017eov\u00e1n\u00ed a s n\u00edm spojenou pom\u011brn\u011b vysokou spot\u0159ebu vody: „Po rozt\u00e1t\u00ed sn\u011bhu se voda (pot\u0159ebn\u00e1 pro v\u00fdrobu um\u011bl\u00e9ho sn\u011bhu) zcela vrac\u00ed do vodn\u00edho kolob\u011bhu. Nen\u00ed spot\u0159ebov\u00e1na ani zne\u010di\u0161t\u011bna a nepou\u017e\u00edv\u00e1 se v zem\u011bd\u011blstv\u00ed, jako pitn\u00e1 voda ani v \u0159\u00ed\u010dn\u00edch syst\u00e9mech.“<\/p>\n

Aigner sv\u00e9 poznatky podrobn\u011b vysv\u011btluje v n\u00e1sleduj\u00edc\u00edm videu:<\/p>\n

V neposledn\u00ed \u0159ad\u011b nab\u00edz\u00ed um\u011bl\u00fd sn\u00edh v\u0161em milovn\u00edk\u016fm zimn\u00edch sport\u016f ur\u010ditou m\u00edru spolehlivosti. Pokud to pan\u00ed Holleov\u00e1 nemysl\u00ed pro danou sez\u00f3nu dob\u0159e, pak to d\u00edky sn\u011b\u017en\u00fdm d\u011bl\u016fm neznamen\u00e1, \u017ee se cel\u00fd v\u00e1\u0161 pobyt na hor\u00e1ch zru\u0161\u00ed. Ly\u017eov\u00e1n\u00ed je toti\u017e st\u00e1le mo\u017en\u00e9. Obrovsk\u00e1 v\u00fdhoda um\u011bl\u00e9ho sn\u011bhu!<\/p>\n

Nej\u010dast\u011bj\u0161\u00ed dotazy o um\u011bl\u00e9m sn\u011bhu<\/h2>\n

Z \u010deho se vyr\u00e1b\u00ed um\u011bl\u00fd sn\u00edh?<\/h3>\n

Um\u011bl\u00fd sn\u00edh se skl\u00e1d\u00e1 z vody. Ta poch\u00e1z\u00ed bu\u010f z taj\u00edc\u00ed vody z vodn\u00edch tok\u016f, nebo z um\u011ble vytvo\u0159en\u00fdch n\u00e1dr\u017e\u00ed. P\u0159id\u00e1v\u00e1n\u00ed chemick\u00fdch l\u00e1tek, kter\u00e9 zp\u016fsobuj\u00ed nap\u0159\u00edklad zamrz\u00e1n\u00ed vody p\u0159i plusov\u00fdch teplot\u00e1ch, je povoleno pouze za velmi specifick\u00fdch podm\u00ednek.<\/p>\n

Jak se um\u011bl\u00fd sn\u00edh vyr\u00e1b\u00ed?<\/h3>\n

Um\u011bl\u00fd sn\u00edh se vyr\u00e1b\u00ed pomoc\u00ed sn\u011bhov\u00e9ho d\u011bla nebo sn\u011bhov\u00e9ho kop\u00ed. Ob\u011b za\u0159\u00edzen\u00ed vy\u017eaduj\u00ed siln\u00fd proud vzduchu, aby se voda dostala do vzduchu, kde se zm\u011bn\u00ed na jemn\u00fd sn\u011bhov\u00fd prach.<\/p>\n

Jak\u00e9 jsou v\u00fdhody um\u011bl\u00e9ho sn\u011bhu?<\/h3>\n

Konzistence um\u011bl\u00e9ho sn\u011bhu je st\u00e1le stejn\u00e1, a proto je pro milovn\u00edky zimn\u00edch sport\u016f „p\u0159edv\u00eddateln\u011bj\u0161\u00ed“. Um\u011bl\u00fd sn\u00edh nav\u00edc odt\u00e1v\u00e1 pomaleji ne\u017e p\u0159\u00edrodn\u00ed, a proto zaru\u010duje del\u0161\u00ed z\u00e1bavu p\u0159i zimn\u00edch sportech na ja\u0159e.<\/p>\n

Kde se um\u011bl\u00fd sn\u00edh pou\u017e\u00edv\u00e1?<\/h3>\n

Um\u011bl\u00fd sn\u00edh se pou\u017e\u00edv\u00e1 t\u00e9m\u011b\u0159 ve v\u0161ech velk\u00fdch ly\u017ea\u0159sk\u00fdch st\u0159edisc\u00edch, pokud b\u011bhem ly\u017ea\u0159sk\u00e9 sez\u00f3ny nen\u00ed dostatek p\u0159\u00edrodn\u00edho sn\u011bhu.<\/p>\n

Je um\u011bl\u00fd sn\u00edh problematick\u00fd pro \u017eivotn\u00ed prost\u0159ed\u00ed?<\/h3>\n

Vysok\u00e1 spot\u0159eba energie a vody p\u0159i v\u00fdrob\u011b, kter\u00e1 m\u00e1 negativn\u00ed dopad na \u017eivotn\u00ed prost\u0159ed\u00ed, je vn\u00edm\u00e1na kriticky. Nav\u00edc pomalej\u0161\u00ed t\u00e1n\u00ed um\u011bl\u00e9ho sn\u011bhu ve srovn\u00e1n\u00ed s p\u0159\u00edrodn\u00edm sn\u011bhem m\u016f\u017ee v\u00e9st ke zpo\u017ed\u011bn\u00ed r\u016fstu rostlin.<\/p>\n","protected":false},"excerpt":{"rendered":"

Milovn\u00edci zimn\u00edch sport\u016f o\u010dek\u00e1vaj\u00ed na sv\u00e9 ly\u017ea\u0159sk\u00e9 dovolen\u00e9 perfektn\u011b upraven\u00e9 sjezdovky s hustou sn\u011bhovou pokr\u00fdvkou. Aby se to zajistilo i v p\u0159\u00edpad\u011b, \u017ee je sn\u011bhu m\u00e1lo, existuje osv\u011bd\u010den\u00e1 metoda: v\u00fdroba takzvan\u00e9ho „technick\u00e9ho sn\u011bhu“ neboli um\u011bl\u00e9ho sn\u011bhu. SnowTrex ukazuje, jak cel\u00fd proces funguje a jak\u00e9 m\u00e1 v\u00fdhody a nev\u00fdhody.<\/p>\n","protected":false},"author":178,"featured_media":53387,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[43,26,434,350,436,355],"class_list":["post-2753","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-udrzitelnost","tag-brixen_im_thale","tag-ischgl","tag-paznauntal","tag-rakousko","tag-skiwelt_wilder_kaiser_brixental","tag-tyrolsko"],"yoast_head":"\nJak se vyr\u00e1b\u00ed um\u011bl\u00fd sn\u00edh - zasn\u011b\u017eov\u00e1n\u00ed pomoc\u00ed sn\u011b\u017en\u00fdch d\u011bl<\/title>\n<meta name=\"description\" content=\"Jak se vlastn\u011b vyr\u00e1b\u00ed um\u011bl\u00fd sn\u00edh? SnowTrex se zab\u00fdv\u00e1 touto a dal\u0161\u00edmi ot\u00e1zkami a ukazuje v\u00fdhody a nev\u00fdhody um\u011bl\u00e9ho sn\u011bhu.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.snowtrex.cz\/magazin\/udrzitelnost\/jak-se-vyrabi-umely-snih\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak se vyr\u00e1b\u00ed um\u011bl\u00fd sn\u00edh?\" \/>\n<meta property=\"og:description\" content=\"Milovn\u00edci zimn\u00edch sport\u016f o\u010dek\u00e1vaj\u00ed na sv\u00e9 ly\u017ea\u0159sk\u00e9 dovolen\u00e9 perfektn\u011b upraven\u00e9 sjezdovky s hustou sn\u011bhovou pokr\u00fdvkou. Aby se to zajistilo i v p\u0159\u00edpad\u011b, \u017ee je sn\u011bhu m\u00e1lo, existuje osv\u011bd\u010den\u00e1 metoda: v\u00fdroba takzvan\u00e9ho "technick\u00e9ho sn\u011bhu" neboli um\u011bl\u00e9ho sn\u011bhu. 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