{"id":106000,"date":"2026-05-07T00:16:20","date_gmt":"2026-05-06T22:16:20","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=106000"},"modified":"2026-05-06T13:18:01","modified_gmt":"2026-05-06T11:18:01","slug":"jan-sedlacek-pokud-chceme-zamezit-suchu-musime-uzdravit-ceskou-krajinu","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/05\/07\/jan-sedlacek-pokud-chceme-zamezit-suchu-musime-uzdravit-ceskou-krajinu\/","title":{"rendered":"Jan Sedl\u00e1\u010dek: Pokud chceme zamezit suchu, mus\u00edme uzdravit \u010deskou krajinu"},"content":{"rendered":"
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Klimunist\u00e9 vykresluj\u00ed sou\u010dasn\u00e9 sucho jako \u201ed\u016fsledek zm\u011bny klimatu\u201c a zneu\u017e\u00edvaj\u00ed jej, aby obh\u00e1jili \u201eklimatick\u00e9\u201c zlod\u011bjiny. Stra\u0161\u00ed n\u00e1s t\u00edm, \u017ee pokud se bude d\u00e1le oteplovat, p\u0159ijdou je\u0161t\u011b v\u011bt\u0161\u00ed sucha.<\/span><\/p>\n

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Ve skute\u010dnosti je to ale p\u0159esn\u011b naopak. Pod\u00edvejme se na fakta:<\/div>\n
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\"\u27a1\ufe0f\"<\/span>\u00a0V minulosti v\u017edy platila \u00fam\u011bra, \u017ee oteplov\u00e1n\u00ed p\u0159in\u00e1\u0161\u00ed v\u00edce sr\u00e1\u017eek (co\u017e vyv\u00e1\u017e\u00ed v\u011bt\u0161\u00ed odpar, tak\u017ee plat\u00ed p\u0159irozen\u00e1 rovnov\u00e1ha).<\/div>\n
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\"\u27a1\ufe0f\"<\/span>\u00a0Pou\u0161t\u011b v\u017edy vznikaly v chladn\u00fdch obdob\u00edch, ne v t\u011bch tepl\u00fdch. Nap\u0159. Sahara za\u010dala vznikat po ochlazen\u00ed p\u0159ed cca 6 tis\u00edci lety (a je dost mo\u017en\u00e9, \u017ee d\u00edky sou\u010dasn\u00e9mu oteplov\u00e1n\u00ed zes\u00edl\u00ed monzun a pou\u0161\u0165 se op\u011bt zazelen\u00e1).<\/div>\n
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\"\u27a1\ufe0f\"<\/span>\u00a0Pokud se pod\u00edv\u00e1me na posledn\u00edch 100 let, tak celkov\u00e9 \u00fahrny sr\u00e1\u017eek na dne\u0161n\u00edm \u00fazem\u00ed \u010cR se v\u00fdrazn\u011b nem\u011bn\u00ed, pop\u0159. dokonce slab\u011b rostou.<\/div>\n<\/div>\n
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Pro\u010d jsme tedy v minul\u00fdch t\u00fddnech (a v\u00edcekr\u00e1t za minul\u00e9 roky) za\u017eili sucho? D\u016fvodem je, \u017ee sr\u00e1\u017eky padaj\u00ed velmi nerovnom\u011brn\u011b (\u010dasov\u011b i prostorov\u011b), a to zejm\u00e9na proto, \u017ee jsme si po\u0161kodili tepelnou a vodn\u00ed rovnov\u00e1hu krajiny.<\/p>\n

Ve zdrav\u00e9 krajin\u011b se v\u011bt\u0161ina slune\u010dn\u00edho z\u00e1\u0159en\u00ed spot\u0159ebuje na odpar vody. T\u00edm se jednak krajina p\u0159irozen\u011b ochlazuje, jednak se t\u00edm dost\u00e1v\u00e1 do vzduchu vlhkost pro dal\u0161\u00ed sr\u00e1\u017eky a nav\u00edc t\u00edm krajina \u201ep\u0159itahuje\u201c vodu od oce\u00e1nu (princip tzv. biotick\u00e9 pumpy).<\/p>\n

Pokud je ov\u0161em v krajin\u011b p\u0159\u00edli\u0161 mnoho ploch asfaltu, betonu, fotovoltaiky \u010di hol\u00fdch pol\u00ed, tak se krajina p\u0159eh\u0159\u00edv\u00e1 a vznikaj\u00ed stoupav\u00e9 proudy hork\u00e9ho such\u00e9ho vzduchu. Ty mohou rozpustit sr\u00e1\u017ekovou obla\u010dnost, tak\u017ee dlouho nepr\u0161\u00ed; ale z\u00e1rove\u0148 mohou i \u201enakopnout\u201c bou\u0159ky a zes\u00edlit jejich nebezpe\u010dn\u00e9 projevy. T\u00edm p\u00e1dem nap\u0159. m\u011bs\u00edc nepr\u0161\u00ed a pak to spadne nar\u00e1z v siln\u00e9 bou\u0159ce.<\/p>\n

\u0158e\u0161en\u00ed? P\u0159estat \u0159e\u0161it \u201eklimatickou\u201c politiku a m\u00edsto toho uzdravit na\u0161i krajinu. Ozelenit m\u011bsta, vr\u00e1tit do krajiny rem\u00edzky, \u010d\u00e1st pol\u00ed p\u0159em\u011bnit v pastviny a jeteloviny.<\/p>\n

A zejm\u00e9na: Odstranit z krajiny fotovoltaiku a nedovolit stavbu v\u011btrn\u00edk\u016f, kter\u00e9 maj\u00ed potenci\u00e1l v\u00fdznamn\u011b oslabit proud\u011bn\u00ed vzduchu a t\u00edm tento probl\u00e9m sucha a p\u0159eh\u0159\u00edv\u00e1n\u00ed krajiny je\u0161t\u011b v\u00edce prohloubit.<\/p>\n

RNDr. Jan Sedl\u00e1\u010dek<\/a>, p\u0159\u00edrodov\u011bdec a p\u0159edseda ND<\/em><\/p>\n

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

Klimunist\u00e9 vykresluj\u00ed sou\u010dasn\u00e9 sucho jako \u201ed\u016fsledek zm\u011bny klimatu\u201c a zneu\u017e\u00edvaj\u00ed jej, aby obh\u00e1jili \u201eklimatick\u00e9\u201c zlod\u011bjiny….<\/p>\n","protected":false},"author":2,"featured_media":68459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[67,873,1503,3049],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/106000"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=106000"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/106000\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/68459"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=106000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=106000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=106000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}