{"id":56,"date":"2016-04-22T17:57:17","date_gmt":"2016-04-22T16:57:17","guid":{"rendered":"http:\/\/kastanka-hk.cz\/?p=56"},"modified":"2016-04-22T18:02:15","modified_gmt":"2016-04-22T17:02:15","slug":"jak-zelen-ve-meste-pomaha-chladit","status":"publish","type":"post","link":"https:\/\/kastanka-hk.cz\/?p=56","title":{"rendered":"Jak zele\u0148 ve m\u011bst\u011b pom\u00e1h\u00e1 chladit"},"content":{"rendered":"<p>[30. \u010dervenec 2015] Nev\u0161edn\u00ed m\u011b\u0159en\u00ed teplot r\u016fzn\u00fdch povrch\u016f se p\u0159ed n\u011bkolika dny uskute\u010dnilo p\u0159i extr\u00e9mn\u011b tepl\u00e9m po\u010das\u00ed v Hradci Kr\u00e1lov\u00e9. Jak\u00e9 jsou skute\u010dn\u00e9 teploty konkr\u00e9tn\u00edch m\u00edst a jak\u00fd vliv m\u00e1 na teplotu okol\u00ed vzrostl\u00e1 zele\u0148, zkoumali a m\u011b\u0159ili pomoc\u00ed termokamery pracovn\u00edci odboru \u017eivotn\u00edho prost\u0159ed\u00ed kr\u00e1lov\u00e9hradeck\u00e9ho magistr\u00e1tu ve spolupr\u00e1ci s p\u0159edn\u00edm \u010desk\u00fdm odborn\u00edkem na problematiku negativn\u00edch dopad\u016f sucha a nedostatku vody Janem Pokorn\u00fdm. V\u00fdsledky sn\u00edmkov\u00e1n\u00ed u\u017e na prvn\u00ed pohled ukazuj\u00ed, \u017ee stromy maj\u00ed ve m\u011bst\u011b nezastupitelnou ochlazovac\u00ed funkci a m\u011bstu prosp\u00edvaj\u00ed jako cenn\u00e1 v\u00fdkonn\u00e1 klimatizace.<\/p>\n<p>Teplota vzduchu dosahovala v Hradci Kr\u00e1lov\u00e9 22. \u010dervence 36 stup\u0148\u016f Celsia, teplota st\u0159ech dom\u016f se \u0161plhala a\u017e ke 63 stup\u0148\u016fm, pokosen\u00e9 tr\u00e1vn\u00edky byly rozp\u00e1len\u00e9 i na 53 stup\u0148\u016f a oslun\u011bn\u00e9 fas\u00e1dy dom\u016f na 45 o C. Dla\u017eba Velk\u00e9ho n\u00e1m\u011bst\u00ed vykazovala teplotu a\u017e 55 o C, silnic\u00edm a chodn\u00edk\u016fm v centru m\u011bsta nam\u011b\u0159ila termokamera tak\u00e9 kolem 50 stup\u0148\u016f. Podstatn\u011b ni\u017e\u0161\u00ed hodnoty pak zaznamenala kamera u vzrostl\u00e9 zelen\u011b a v jej\u00edm okol\u00ed. Koruny strom\u016f ukazovaly 31 &#8211; 33 stup\u0148\u016f, teplota kmen\u016f se pohybovala kolem 27 stup\u0148\u016f, m\u00edsta ve st\u00ednu strom\u016f a tak\u00e9 podrosty dr\u017eely teplotu kolem 28 stup\u0148\u016f. \u201eU\u017e na prvn\u00ed pohled jsou patrn\u00e9 obrovsk\u00e9 rozd\u00edly teplot v m\u00edstech, kde je jen z\u00e1stavba a kde je zele\u0148. Nap\u0159\u00edklad teplota povrch\u016f alej\u00ed je ve stejnou chv\u00edli o 20 stup\u0148\u016f Celsia ni\u017e\u0161\u00ed ne\u017e teplota vr\u0161k\u016f dom\u016f,\u201c \u0159\u00edk\u00e1 vedouc\u00ed odboru \u017eivotn\u00edho prost\u0159ed\u00ed magistr\u00e1tu Iva \u0160ediv\u00e1 a poukazuje na to, \u017ee ot\u00e1zka zelen\u011b ve m\u011bstech nen\u00ed zdaleka jen v\u011bc\u00ed estetickou. \u201eNa sn\u00edmc\u00edch jasn\u011b vid\u00edme, jak dob\u0159e rozvr\u017een\u00e1 zele\u0148 ve m\u011bst\u011b dok\u00e1\u017ee teplotn\u011b stabilizovat lok\u00e1ln\u00ed klima. M\u00e1me velik\u00e9 \u0161t\u011bst\u00ed, \u017ee m\u016f\u017eeme spolupracovat s p\u0159edn\u00edm \u010desk\u00fdm odborn\u00edkem v t\u00e9to oblasti, vysoko\u0161kolsk\u00fdm pedagogem a \u0159editelem ENKI, spole\u010dnosti pro aplikovan\u00fd v\u00fdzkum v ot\u00e1zk\u00e1ch \u017eivotn\u00edho prost\u0159ed\u00ed, Janem Pokorn\u00fdm. D\u00edky n\u011bmu jsme pro na\u0161e pot\u0159eby mohli vyu\u017e\u00edt tak\u00e9 speci\u00e1ln\u00ed termokameru sn\u00edmaj\u00edc\u00ed teploty v\u0161ech povrch\u016f.\u201c<\/p>\n<p>Termovizn\u00ed sn\u00edmky po\u0159\u00edzen\u00e9 22. \u010dervence \u010d\u00edseln\u011b dokresluj\u00ed skute\u010dnost, \u017ee vegetace chlad\u00ed. Stromy vypa\u0159uj\u00ed vodu a jejich chlad\u00edc\u00ed v\u00fdkon dosahuje hodnot n\u011bkolika set watt\u016f na metr \u010dtvere\u010dn\u00ed. \u201eVhodn\u011b zvolenou skladbou strom\u016f ve m\u011bstech m\u016f\u017eeme utv\u00e1\u0159et p\u0159\u00edjemn\u00e9 klima bez velk\u00fdch n\u00e1klad\u016f. Jeden vzrostl\u00fd strom dob\u0159e z\u00e1soben\u00fd vodou chlad\u00ed v hork\u00e9m po\u010das\u00ed v\u00fdkonem srovnateln\u00fdm s n\u011bkolika klimatiza\u010dn\u00edmi jednotkami,\u201c upozor\u0148uje Iva \u0160ediv\u00e1.<\/p>\n<p>Na \u00fazem\u00ed m\u011bsta Hradce Kr\u00e1lov\u00e9 se nach\u00e1z\u00ed zhruba 70 tis\u00edc strom\u016f a nes\u010detn\u011b ke\u0159\u016f a dal\u0161\u00ed zelen\u011b, kter\u00e1 vy\u017eaduje soustavnou p\u00e9\u010di technick\u00fdch slu\u017eeb, k n\u00ed\u017e pat\u0159\u00ed i pravideln\u00e9 zavla\u017eov\u00e1n\u00ed. V dob\u011b nedostate\u010dn\u00fdch sr\u00e1\u017eek povol\u00e1v\u00e1 m\u011bsto nav\u00edc na pomoc i dobrovoln\u00e9 hasi\u010de. Ti pom\u00e1haj\u00ed p\u0159i zavla\u017eov\u00e1n\u00ed m\u011bstsk\u00e9 zelen\u011b kapacitami sv\u00fdch cisteren.<\/p>\n<p><a href=\"http:\/\/www.hradeckralove.org\/noviny-a-novinky\/jak-zelen-ve-meste-pomaha-chladit\">Zdroj \u00a0magistr\u00e1t m\u011bsta<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[30. \u010dervenec 2015] Nev\u0161edn\u00ed m\u011b\u0159en\u00ed teplot r\u016fzn\u00fdch povrch\u016f se p\u0159ed n\u011bkolika dny uskute\u010dnilo p\u0159i extr\u00e9mn\u011b tepl\u00e9m po\u010das\u00ed v Hradci Kr\u00e1lov\u00e9. Jak\u00e9 jsou skute\u010dn\u00e9 teploty konkr\u00e9tn\u00edch m\u00edst a jak\u00fd vliv m\u00e1 na teplotu okol\u00ed vzrostl\u00e1 zele\u0148, zkoumali a m\u011b\u0159ili pomoc\u00ed termokamery pracovn\u00edci odboru \u017eivotn\u00edho prost\u0159ed\u00ed kr\u00e1lov\u00e9hradeck\u00e9ho magistr\u00e1tu ve spolupr\u00e1ci s p\u0159edn\u00edm \u010desk\u00fdm odborn\u00edkem na problematiku negativn\u00edch [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-nezarazene","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author",""],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jak zele\u0148 ve m\u011bst\u011b pom\u00e1h\u00e1 chladit - Zachra\u0148me Ka\u0161tanku<\/title>\n<meta name=\"description\" content=\"[30. \u010dervenec 2015] Nev\u0161edn\u00ed m\u011b\u0159en\u00ed teplot r\u016fzn\u00fdch povrch\u016f se p\u0159ed n\u011bkolika dny uskute\u010dnilo p\u0159i extr\u00e9mn\u011b tepl\u00e9m po\u010das\u00ed v Hradci Kr\u00e1lov\u00e9. 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