Ve vysok\u00fdch hor\u00e1ch z\u00e1padn\u00edch Spojen\u00fdch st\u00e1t\u016f z\u00edskaly plochy sn\u011bhu neobvykl\u00fd odst\u00edn \u2013 z\u00e1\u0159iv\u011b r\u016f\u017eov\u00fd. Tento jev, zn\u00e1m\u00fd jako melounov\u00fd sn\u00edh nebo krev ledovce, je zp\u016fsoben kveten\u00edm zelen\u00fdch \u0159as naz\u00fdvan\u00fdch Chlamydomonas nivalis.<\/p>\n\n
C. nivalis se da\u0159\u00ed v chladn\u00e9m a vlhk\u00e9m prost\u0159ed\u00ed a lze je nal\u00e9zt v poho\u0159\u00edch po cel\u00e9m sv\u011bt\u011b. Ve st\u00e1ty posti\u017een\u00fdmi suchem na americk\u00e9m z\u00e1pad\u011b se v\u011bdci domn\u00edvaj\u00ed, \u017ee by se \u0159asov\u00fd kv\u011bt mohl \u0161\u00ed\u0159it kv\u016fli teplej\u0161\u00edm teplot\u00e1m a men\u0161\u00ed sn\u011bhov\u00e9 pokr\u00fdvce.<\/p>\n\n
\u0158asov\u00fd kv\u011bt m\u00e1 v\u00fdznamn\u00fd vliv na t\u00e1n\u00ed sn\u011bhu. Za norm\u00e1ln\u00edch okolnost\u00ed odr\u00e1\u017e\u00ed b\u00edl\u00fd sn\u00edh slune\u010dn\u00ed sv\u011btlo a udr\u017euje sn\u011bhovou pokr\u00fdvku chladnou. Kdy\u017e v\u0161ak \u0159asy kvetou a z\u010dervenaj\u00ed, pohlt\u00ed v\u00edce sv\u011btla a tepla, co\u017e zp\u016fsob\u00ed, \u017ee se sn\u00edh kolem nich bude rychleji tavit.<\/p>\n\n
Na z\u00e1pad\u011b je t\u00e1n\u00ed sn\u011bhu z\u00e1sadn\u00edm zdrojem vody pro n\u00e1dr\u017ee a vodn\u00ed toky. Rychlej\u0161\u00ed t\u00e1n\u00ed zp\u016fsoben\u00e9 \u0159asov\u00fdm kv\u011btem by mohlo v\u00e9st ke sn\u00ed\u017een\u00ed z\u00e1sob vody v hork\u00fdch letn\u00edch m\u011bs\u00edc\u00edch, kdy je voda nejv\u00edce pot\u0159eba.<\/p>\n\n
Zm\u011bna klimatu zhor\u0161uje sucho na z\u00e1pad\u011b USA, co\u017e vede k bezprecedentn\u00edm \u0161krt\u016fm ve spot\u0159eb\u011b vody a n\u00edzk\u00fdm hladin\u00e1m vody v n\u00e1dr\u017e\u00edch. Toto vysych\u00e1n\u00ed neboli n\u00e1r\u016fst sucha m\u016f\u017ee p\u0159isp\u00edvat k \u0161\u00ed\u0159en\u00ed \u0159asov\u00e9ho kv\u011btu.<\/p>\n\n
V\u011bdci studuj\u00ed \u0159asov\u00fd kv\u011bt, aby pochopili jeho vliv na t\u00e1n\u00ed sn\u011bhu a z\u00e1sobov\u00e1n\u00ed vodou. Projekt Living Snow je ob\u010dansko-v\u011bdeck\u00e1 iniciativa, kter\u00e1 umo\u017e\u0148uje lidem dokumentovat \u0159asov\u00fd kv\u011bt a sb\u00edrat vzorky pro v\u00fdzkumn\u00edky.<\/p>\n\n
Sekvenov\u00e1n\u00ed DNA pom\u00e1h\u00e1 v\u011bdc\u016fm identifikovat druhy \u0159as p\u0159\u00edtomn\u00fdch v kv\u011btech a pochopit jejich interakce s jin\u00fdmi organismy. Tyto znalosti mohou pomoci v\u011bdc\u016fm vyvinout strategie ke zm\u00edrn\u011bn\u00ed \u00fa\u010dink\u016f \u0159asov\u00e9ho kv\u011btu.<\/p>\n\n
O \u0159asov\u00e9m kv\u011btu z\u016fst\u00e1v\u00e1 mnoho nezodpov\u011bzen\u00fdch ot\u00e1zek, v\u010detn\u011b jeho dlouhodob\u00fdch dopad\u016f na t\u00e1n\u00ed sn\u011bhu, vodn\u00ed zdroje a vodn\u00ed ekosyst\u00e9my. V\u011bdci v t\u011bchto ot\u00e1zk\u00e1ch nad\u00e1le pokra\u010duj\u00ed ve v\u00fdzkumu, aby zlep\u0161ili na\u0161e ch\u00e1p\u00e1n\u00ed tohoto komplexn\u00edho jevu.<\/p>\n\n
Pokud tr\u00e1v\u00edte \u010das v hor\u00e1ch, m\u016f\u017eete p\u0159isp\u011bt k v\u011bdeck\u00e9mu v\u00fdzkumu t\u00edm, \u017ee zdokumentujete \u0159asov\u00fd kv\u011bt prost\u0159ednictv\u00edm aplikace The Living Snow Project. Sd\u00edlen\u00edm sv\u00fdch pozorov\u00e1n\u00ed a sb\u011brem vzork\u016f m\u016f\u017eete pomoci v\u011bdc\u016fm l\u00e9pe pochopit p\u0159\u00ed\u010diny a d\u016fsledky \u0159asov\u00e9ho kv\u011btu.<\/p>","protected":false},"excerpt":{"rendered":"
Pro\u010d se \u010d\u00e1st z\u00e1padn\u00edho sn\u011bhu barv\u00ed do r\u016f\u017eova: \u0158asy a dopady na z\u00e1sobov\u00e1n\u00ed vodou Co je to melounov\u00fd sn\u00edh? Ve vysok\u00fdch hor\u00e1ch z\u00e1padn\u00edch Spojen\u00fdch st\u00e1t\u016f z\u00edskaly plochy sn\u011bhu neobvykl\u00fd odst\u00edn…<\/p>\n","protected":false},"author":6,"featured_media":23481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[6170,5250,3351,6171,6172,34],"class_list":["post-3184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-science","tag-watermelon-snow","tag-citizen-science","tag-algae","tag-snowmelt","tag-water-supply","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/3184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=3184"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/3184\/revisions"}],"predecessor-version":[{"id":3185,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/3184\/revisions\/3185"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23481"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=3184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=3184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=3184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}