{"id":14769,"date":"2022-10-24T20:13:47","date_gmt":"2022-10-24T20:13:47","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14769"},"modified":"2022-10-24T20:13:47","modified_gmt":"2022-10-24T20:13:47","slug":"stratocumulus-clouds-climate-change-extinction","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/earth-and-climate-science\/stratocumulus-clouds-climate-change-extinction\/","title":{"rendered":"Stratocumulusov\u00e9 oblaky v ohro\u017een\u00ed: Mohou je zm\u011bny klimatu vyhubit?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Mohou zm\u011bny klimatu zp\u016fsobit vyhynut\u00ed stratocumulusov\u00fdch oblak\u016f?<\/h2>\n\n<h2 class=\"wp-block-heading\">\u00davod<\/h2>\n\n<p>Stratocumulusov\u00e9 oblaky jsou n\u00edzk\u00e9, ploch\u00e9 oblaky, kter\u00e9 pokr\u00fdvaj\u00ed v\u00fdznamnou \u010d\u00e1st subtropick\u00fdch oce\u00e1n\u016f Zem\u011b. Hraj\u00ed z\u00e1sadn\u00ed roli v regulaci teploty planety t\u00edm, \u017ee odr\u00e1\u017eej\u00ed slune\u010dn\u00ed sv\u011btlo zp\u011bt do vesm\u00edru.<\/p>\n\n<h2 class=\"wp-block-heading\">Nov\u00e9 poznatky z v\u00fdzkumu<\/h2>\n\n<p>Ned\u00e1vn\u00e9 studie klimatick\u00e9ho modelov\u00e1n\u00ed uk\u00e1zaly, \u017ee rostouc\u00ed koncentrace oxidu uhli\u010dit\u00e9ho (CO2) v atmosf\u00e9\u0159e mohou naru\u0161it tvorbu stratocumulusov\u00fdch oblak\u016f. P\u0159i hladin\u00e1ch p\u0159evy\u0161uj\u00edc\u00edch 1 200 \u010d\u00e1stic na milion (ppm) ztr\u00e1cej\u00ed tyto oblaky svou schopnost vytv\u00e1\u0159et velk\u00e9, ploch\u00e9 a reflexn\u00ed vrstvy. M\u00edsto toho se rozpadaj\u00ed na men\u0161\u00ed, nad\u00fdchan\u011bj\u0161\u00ed oblaky.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u016fsledky pro teplotu Zem\u011b<\/h2>\n\n<p>Toto naru\u0161en\u00ed tvorby oblak\u016f by mohlo m\u00edt v\u00fdznamn\u00fd dopad na povrchovou teplotu Zem\u011b. Studie nazna\u010duj\u00ed, \u017ee ztr\u00e1ta stratocumulusov\u00fdch oblak\u016f by mohla v\u00e9st k dramatick\u00e9mu n\u00e1r\u016fstu a\u017e o 14 stup\u0148\u016f Fahrenheita.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdzvy v klimatick\u00e9m modelov\u00e1n\u00ed<\/h2>\n\n<p>P\u0159esn\u00e9 modelov\u00e1n\u00ed oblak\u016f v klimatick\u00fdch modelech je slo\u017eit\u00fd \u00fakol kv\u016fli jejich r\u016fznorod\u00e9 povaze a mal\u00fdm vzdu\u0161n\u00fdm proud\u016fm, kter\u00e9 je udr\u017euj\u00ed. Aby v\u00fdzkumn\u00edci zjednodu\u0161ili tento proces, \u010dasto se zam\u011b\u0159uj\u00ed na modelov\u00e1n\u00ed mal\u00fdch \u010d\u00e1st\u00ed oblak\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">Omezen\u00ed a nejistoty<\/h2>\n\n<p>V\u00fdsledky nov\u00e9 studie klimatick\u00e9ho modelov\u00e1n\u00ed poskytuj\u00ed cenn\u00e9 poznatky, ale je d\u016fle\u017eit\u00e9 si uv\u011bdomit, \u017ee jsou zalo\u017eeny na zjednodu\u0161en\u00edch. Odborn\u00edci upozor\u0148uj\u00ed, \u017ee p\u0159esn\u00fd pr\u00e1h pro rozpad oblak\u016f se m\u016f\u017ee li\u0161it a p\u0159esnost p\u0159edpov\u011bd\u00ed modelu z\u016fst\u00e1v\u00e1 nejist\u00e1.<\/p>\n\n<h2 class=\"wp-block-heading\">Mo\u017en\u00e9 dopady na minulost a budoucnost Zem\u011b<\/h2>\n\n<p>Zji\u0161t\u011bn\u00ed studie vyvol\u00e1vaj\u00ed zaj\u00edmav\u00e9 ot\u00e1zky ohledn\u011b klimatick\u00e9 historie Zem\u011b. Nazna\u010duj\u00ed, \u017ee ztr\u00e1ta stratocumulusov\u00fdch oblak\u016f mohla p\u0159isp\u011bt k extr\u00e9mn\u00edm teplotn\u00edm v\u00fdkyv\u016fm v minulosti, jako nap\u0159\u00edklad paleoc\u00e9nn\u011b-eoc\u00e9nn\u00edmu teplotn\u00edmu maximu. Pokud se p\u0159edpov\u011bdi modelu napln\u00ed, mohlo by to nazna\u010dovat, \u017ee Zem\u011b je kv\u016fli rostouc\u00edm hladin\u00e1m CO2 n\u00e1chyln\u00e1 k podobn\u00fdm extr\u00e9mn\u00edm teplotn\u00edm ud\u00e1lostem i v budoucnu.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u016fsledky pro klimatickou politiku<\/h2>\n\n<p>Zji\u0161t\u011bn\u00ed studie zd\u016fraz\u0148uj\u00ed v\u00fdznam \u0159e\u0161en\u00ed zm\u011bny klimatu a sni\u017eov\u00e1n\u00ed emis\u00ed uhl\u00edku. Zm\u00edrn\u011bn\u00edm n\u00e1r\u016fstu koncentrac\u00ed CO2 m\u016f\u017eeme minimalizovat riziko naru\u0161en\u00ed tvorby oblak\u016f a jeho potenci\u00e1ln\u011b katastrofick\u00fdch d\u016fsledk\u016f pro klimatick\u00fd syst\u00e9m Zem\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed \u00favahy<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00e1h 1 200 ppm pro rozpad oblak\u016f je hrub\u00fd odhad a skute\u010dn\u00fd pr\u00e1h m\u016f\u017ee b\u00fdt vy\u0161\u0161\u00ed nebo ni\u017e\u0161\u00ed.<\/li>\n<li>Nov\u00fd klimatick\u00fd model zjednodu\u0161uje mnoho aspekt\u016f chov\u00e1n\u00ed oblak\u016f, tak\u017ee jeho p\u0159esnost je nejist\u00e1.<\/li>\n<li>Ztr\u00e1ta stratocumulusov\u00fdch oblak\u016f by mohla vysv\u011btlit neobvykl\u00e9 teplotn\u00ed v\u00fdkyvy v klimatick\u00e9 historii Zem\u011b.<\/li>\n<li>Rostouc\u00ed hladiny CO2 by mohly potenci\u00e1ln\u011b otev\u0159\u00edt \u201ePandorinu sk\u0159\u00ed\u0148ku\u201c klimatick\u00fdch p\u0159ekvapen\u00ed, v\u010detn\u011b extr\u00e9mn\u00edch teplotn\u00edch ud\u00e1lost\u00ed.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Mohou zm\u011bny klimatu zp\u016fsobit vyhynut\u00ed stratocumulusov\u00fdch oblak\u016f? \u00davod Stratocumulusov\u00e9 oblaky jsou n\u00edzk\u00e9, ploch\u00e9 oblaky, kter\u00e9 pokr\u00fdvaj\u00ed v\u00fdznamnou \u010d\u00e1st subtropick\u00fdch oce\u00e1n\u016f Zem\u011b. Hraj\u00ed z\u00e1sadn\u00ed roli v regulaci teploty planety t\u00edm, \u017ee&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[573],"tags":[19782,569,19781,572,34],"class_list":["post-14769","post","type-post","status-publish","format-standard","hentry","category-earth-and-climate-science","tag-climate-modeling","tag-global-warming","tag-cloud-formation","tag-earth-science","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14769","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=14769"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14769\/revisions"}],"predecessor-version":[{"id":14770,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/14769\/revisions\/14770"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=14769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=14769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=14769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}