{"id":2452,"date":"2019-05-01T08:46:48","date_gmt":"2019-05-01T06:46:48","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=2452"},"modified":"2019-05-01T08:46:48","modified_gmt":"2019-05-01T06:46:48","slug":"brno-zvonarka-vysledky-rozsahle-odborne-analyzy-pricin-zhorseni-kvality-ovzdusi-na-stanici","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2019\/05\/01\/brno-zvonarka-vysledky-rozsahle-odborne-analyzy-pricin-zhorseni-kvality-ovzdusi-na-stanici\/","title":{"rendered":"Brno-Zvona\u0159ka &#8211; v\u00fdsledky rozs\u00e1hl\u00e9 odborn\u00e9 anal\u00fdzy p\u0159\u00ed\u010din zhor\u0161en\u00ed kvality ovzdu\u0161\u00ed na stanici"},"content":{"rendered":"<p><em><strong>V jednom z minul\u00fdch \u010dl\u00e1nk\u016f jsme sl\u00edbili poskytnut\u00ed z\u00e1v\u011br\u016f z rozs\u00e1hl\u00e9 odobrn\u00e9 zpr\u00e1vy zam\u011b\u0159en\u00e9 na kvalitu ovzdu\u0161\u00ed na pr\u016fmyslov\u00e9 stanici Brno-Zvona\u0159ka, kter\u00e1 je v sou\u010dasnosti stanic\u00ed s nejvy\u0161\u0161\u00edm po\u010dtem p\u0159ekro\u010den\u00ed 24h imisn\u00edho limitu pro PM<sub>10<\/sub> v \u010cesk\u00e9 republice. Zpr\u00e1va se zam\u011b\u0159uje na obdob\u00ed od z\u00e1\u0159\u00ed 2018 do konce \u00fanora 2019, tedy obdob\u00ed, kdy byl n\u00e1r\u016fst koncentrac\u00ed pozorov\u00e1n. V\u00fdsledky zahrnuj\u00ed jak hodnocen\u00ed samotn\u00fdch koncentrac\u00ed v kontextu meteorologick\u00fdch podm\u00ednek, tak srovn\u00e1n\u00ed s dal\u0161\u00edmi stanicemi v \u010cR i \u010d\u00e1sticovou anal\u00fdzu skenovac\u00edm elektronov\u00fdm mikroskopem.\u00a0<\/strong><\/em><\/p>\n<p>Na z\u00e1klad\u011b v\u00fdrazn\u00e9ho zhor\u0161en\u00ed kvality ovzdu\u0161\u00ed na stanici imisn\u00edho monitoringu Brno-Zvona\u0159ka bylo <strong>po domluv\u011b \u010cHM\u00da s Jihomoravsk\u00fdm krajem a Magistr\u00e1tem m\u011bsta Brna domluveno vypracov\u00e1n\u00ed kompexn\u00edho zhodnocen\u00ed<\/strong> p\u0159\u00ed\u010din aktu\u00e1ln\u00edch vysok\u00fdch koncentrac\u00ed se zahrnut\u00edm doporu\u010den\u00ed, kter\u00e1 by mohla situaci zlep\u0161it.<\/p>\n<p>Zpr\u00e1va byla vypracov\u00e1v\u00e1na b\u011bhem \u010d\u00e1sti b\u0159ezna a dubna a zam\u011b\u0159uje se p\u0159edev\u0161\u00edm na obdob\u00ed <strong>z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019<\/strong> a srovn\u00e1n\u00ed s p\u0159edchoz\u00edmi roky i jin\u00fdmi stanicemi jak v Brn\u011b, tak v cel\u00e9 \u010cesk\u00e9 republice. Na z\u00e1klad\u011b t\u011bchto hodnocen\u00ed bylo tak\u00e9 rozhodnuto o p\u0159eklasifikov\u00e1n\u00ed stanice z\u00a0<em>dopravn\u00ed<\/em> na\u00a0<em>pr\u016fmyslovou<\/em>.<\/p>\n<p><strong>N\u00ed\u017ee jsou uvedeny hlavn\u00ed z\u00e1v\u011bry zpr\u00e1vy. V r\u00e1mci \u00fapln\u00e9 transparentnosti je v\u0161ak zcela dole pro z\u00e1jemce k dispozici i odkaz na celou 280str\u00e1nkovou zpr\u00e1vu se v\u0161emi fotkami, grafy, tabulkami a anal\u00fdzami.<\/strong><\/p>\n<h2>Lokalita<\/h2>\n<p>Stanice Brno-Zvona\u0159ka, ve spr\u00e1v\u011b Statut\u00e1rn\u00edho m\u011bsta Brna, se nach\u00e1z\u00ed na ulici Opu\u0161t\u011bn\u00e1 v Brn\u011b, kousek od k\u0159i\u017eovatky Opu\u0161t\u011bn\u00e1-Trnit\u00e1, v nadmo\u0159sk\u00e9 v\u00fd\u0161ce 200 m. Jedn\u00e1 se o pr\u016fmyslovou m\u011bstskou stanici nach\u00e1zej\u00edc\u00ed se p\u0159ibli\u017en\u011b 10 m od velmi frekventovan\u00e9 \u010dty\u0159proudov\u00e9 komunikace.<\/p>\n<p>Na severoz\u00e1pad od stanice je v t\u011bsn\u00e9 bl\u00edzkosti t\u0159\u00edposcho\u010fov\u00e1 budova M\u011bstsk\u00e9ho \u00fa\u0159adu \u0160lapanice. P\u0159ibli\u017en\u011b 400 m na sever le\u017e\u00ed brn\u011bnsk\u00e9 Hlavn\u00ed n\u00e1dra\u017e\u00ed, je\u0161t\u011b p\u0159ed n\u00edm pak obchodn\u00ed d\u016fm a ru\u0161n\u00fd dopravn\u00ed uzel MHD (\u00dazk\u00e1). 150 m na severoseverov\u00fdchod stoj\u00ed n\u00e1kupn\u00ed galerie. Naproti n\u00ed je pak, 170 m na v\u00fdchod od stanice, autobusov\u00e9 n\u00e1dra\u017e\u00ed Zvona\u0159ka. Ji\u017en\u011b od stanice je v\u011bt\u0161\u00ed parkovi\u0161t\u011b a za n\u00edm Doln\u00ed n\u00e1dra\u017e\u00ed (pln\u00edc\u00ed od prosince 2018 funkci n\u00e1hradn\u00edho n\u00e1dra\u017e\u00ed za rekonstruovan\u00e9 Hlavn\u00ed n\u00e1dra\u017e\u00ed). Samotn\u00e1 komunikace prob\u00edh\u00e1 z jihoz\u00e1padu na severov\u00fdchod, tedy jihoz\u00e1padn\u011b, ji\u017en\u011b a jihov\u00fdchodn\u011b od stanice. Odhadovan\u00e1 dopravn\u00ed z\u00e1t\u011b\u017e t\u00e9to silnice je 43 tis\u00edc vozidel denn\u011b s pr\u016fm\u011brnou rychlost\u00ed proudu cca 40 km\/h. Na jihoz\u00e1pad je pak ve vzd\u00e1lenosti 120 m \u010derpac\u00ed stanice a za n\u00ed autobazar.<\/p>\n<p>Ve v\u011bt\u0161\u00ed vzd\u00e1lenosti, p\u0159ibli\u017en\u011b kilometr na jihov\u00fdchod se nach\u00e1z\u00ed beton\u00e1rna a na sever od n\u00ed pr\u016fmyslov\u00fd are\u00e1l. 12 m na jihov\u00fdchod od stanice je um\u00edst\u011bna autobusov\u00e1 zast\u00e1vka m\u011bstsk\u00e9 hromadn\u00e9 dopravy s obsluhou ka\u017ed\u00fdch 10 minut dieselov\u00fdmi nebo CNG autobusy Dopravn\u00edho podniku m\u011bsta Brna.<\/p>\n<p>Reprezentativnost stanice je velmi mal\u00e1, tzv. mikrom\u011b\u0159\u00edtko, tedy n\u011bkolik metr\u016f a\u017e stovek metr\u016f.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/PC240184.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-2453 size-large\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/PC240184-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/PC240184-1024x768.jpg 1024w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/PC240184-300x225.jpg 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/PC240184-768x576.jpg 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/PC240184.jpg 1387w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<h2>M\u011b\u0159\u00edc\u00ed program<\/h2>\n<p>Na stanici prob\u00edh\u00e1 automatick\u00fd m\u011b\u0159\u00edc\u00ed program, kter\u00fd zahrnuje kontinu\u00e1ln\u00ed monitoring n\u011bkolika zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek a meteorologick\u00fdch podm\u00ednek. Nam\u011b\u0159en\u00e1 data jsou v\u00a0re\u00e1ln\u00e9m \u010dase pos\u00edl\u00e1na do Informa\u010dn\u00edho Syst\u00e9mu Kvality Ovzdu\u0161\u00ed (ISKO) ve spr\u00e1v\u011b \u010cesk\u00e9ho hydrometeorologick\u00e9ho \u00fastavu. N\u00e1sledn\u011b podl\u00e9haj\u00ed data dvojf\u00e1zov\u00e9 verifikaci. Druh\u00e1 f\u00e1ze verifikace vy\u017eaduje srovn\u00e1n\u00ed v\u00a0\u0161ir\u0161\u00edm kontextu, a proto je uskute\u010d\u0148ov\u00e1na s\u00a0v\u011bt\u0161\u00edm zpo\u017ed\u011bn\u00edm a\u017e v\u00a0dob\u011b, kdy jsou k\u00a0dispozici data i z\u00a0manu\u00e1ln\u00edch stanic. Z\u00a0tohoto d\u016fvodu a z\u00a0nutnosti vyu\u017eit\u00ed nejaktu\u00e1ln\u011bj\u0161\u00edch dat, pro\u0161la data z\u00a0\u010dasov\u00e9ho intervalu 01\/2018-02\/2019 pouze jednou f\u00e1z\u00ed verifikace.<\/p>\n<p>V\u00a0sou\u010dasnosti je na stanici Brno-Zvona\u0159ka sledov\u00e1na koncentrace oxid\u016f dus\u00edku (NO<sub>2<\/sub>, NO, NOx), t\u0159\u00ed frakc\u00ed suspendovan\u00fdch \u010d\u00e1stic (PM<sub>10<\/sub>, PM<sub>2,5<\/sub> a PM<sub>1<\/sub>) a oxidu uhelnat\u00e9ho (CO). Krom\u011b toho jsou tak\u00e9 sledov\u00e1ny meteorologick\u00e9 parametry \u2013 teplota vzduchu ve 2\u00a0m, vlhkost vzduchu, atmosf\u00e9rick\u00fd tlak a sm\u011br a rychlost v\u011btru. Oxidy dus\u00edku a meteorologick\u00e9 parametry jsou sledov\u00e1ny od 1. 1. 2000. Do konce roku 2006 nebyly monitorov\u00e1ny jednotliv\u00e9 frakce PM, ale suspendovan\u00e9 \u010d\u00e1stice jako takov\u00e9. Stejn\u011b tak jsou a\u017e od roku 2007 sledov\u00e1ny koncentrace oxidu uhelnat\u00e9ho.<\/p>\n<p>Koncentrace oxidu si\u0159i\u010dit\u00e9ho byly m\u011b\u0159eny od za\u010d\u00e1tku m\u011b\u0159en\u00ed stanice (1. 1. 2000) a m\u011b\u0159en\u00ed bylo ukon\u010deno k\u00a017. \u010dervnu 2013. D\u016fvodem ukon\u010den\u00ed jsou dlouhodob\u011b trvale velmi n\u00edzk\u00e9 koncentrace SO<sub>2<\/sub> v\u00a0cel\u00e9 \u010cesk\u00e9 republice a\u017e na naprost\u00e9 a ojedin\u011bl\u00e9 v\u00fdjimky, kter\u00e9 se net\u00fdkaj\u00ed Jihomoravsk\u00e9ho kraje. Po\u010det stanic monitoruj\u00edc\u00edch SO<sub>2<\/sub> tak byl omezen na nutn\u00e9 minimum. V\u00a0roce 2018 bylo tak\u00e9 ukon\u010deno m\u011b\u0159en\u00ed koncentrace p\u0159\u00edzemn\u00edho ozonu, kter\u00e9 zde prob\u00edhalo od roku 2005.<\/p>\n<h2>Stavebn\u00ed pr\u00e1ce<\/h2>\n<p>V\u00a0bl\u00edzkosti stanice Brno-Zvona\u0159ka v\u00a0obdob\u00ed z\u00e1jmu (z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019) prob\u00edhaly rozs\u00e1hl\u00e9 stavebn\u00ed pr\u00e1ce v\u00a0okol\u00ed. V\u00fdstavba \u010di demolice budov, dopravn\u00edch komunikac\u00ed \u010di jin\u00fdch prvk\u016f infrastruktury m\u016f\u017ee velmi z\u00e1sadn\u011b ovlivnit lok\u00e1ln\u00ed kvalitu ovzdu\u0161\u00ed.<\/p>\n<p>Stavebn\u00ed pr\u00e1ce mohou koncentrace zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek v\u00a0ovzdu\u0161\u00ed ovliv\u0148ovat n\u011bkolika r\u016fzn\u00fdmi zp\u016fsoby. Zde je seznam t\u011bch hlavn\u00edch z\u00a0nich:<\/p>\n<ul>\n<li>vy\u0161\u0161\u00ed pra\u0161nost ze samotn\u00e9 stavby<\/li>\n<li>resuspenze ji\u017e usazen\u00e9ho prachu ze stavby automobily, chodci apod.<\/li>\n<li>naru\u0161en\u00e1 plynulost dopravy (p\u0159i r\u016fzn\u00fdch uzav\u00edrk\u00e1ch z\u00a0d\u016fvodu stavebn\u00edch prac\u00ed)<\/li>\n<li>vy\u0161\u0161\u00ed zne\u010di\u0161t\u011bn\u00ed z\u00a0n\u00e1kladn\u00edch automobil\u016f voz\u00edc\u00edch stavebn\u00ed materi\u00e1l na m\u00edsto stavby v\u00a0okol\u00ed, p\u0159\u00edpadn\u011b obecn\u011b stavebn\u00edch stroj\u016f pou\u017e\u00edvan\u00fdch na stavb\u011b (dieselov\u00e9 agreg\u00e1ty, bagry apod.)<\/li>\n<\/ul>\n<p>Z\u00e1sadn\u00ed vliv stavebn\u00edch prac\u00ed na kvalitu ovzdu\u0161\u00ed v\u00a0okol\u00ed je potvrzen \u0159adou odborn\u00fdch studi\u00ed (nap\u0159. Wagner, 2017). U pra\u0161nosti zp\u016fsoben\u00e9 samotnou stavbou a p\u0159\u00edpadn\u011b n\u00e1slednou resuspenz\u00ed \u010d\u00e1stic ze stavby, lze p\u0159edpokl\u00e1dat p\u0159edev\u0161\u00edm n\u00e1r\u016fst v\u011bt\u0161\u00edch \u010d\u00e1stic, tedy suspendovan\u00fdch \u010d\u00e1stic frakce PM<sub>10<\/sub>. To se projevilo i ve studi\u00edch na toto t\u00e9ma (Azarami et al, 2016). Nav\u00edc jak uk\u00e1zala studie (Koumar, 2012) produkuj\u00ed stavebn\u00ed pr\u00e1ce tak\u00e9 tzv. ultrajemn\u00e9 \u010d\u00e1stice (\u010d\u00e1stice o aerodynamick\u00e9m pr\u016fm\u011bru do 0,1 \u00b5m, tedy 100 mn.).<\/p>\n<p>Naru\u0161en\u00ed plynulosti dopravy zvy\u0161uje emise z\u00a0dopravy, a\u0165 u\u017e resuspenz\u00ed (p\u0159edev\u0161\u00edm PM<sub>10<\/sub>), tak nap\u0159\u00edklad intenzivn\u011bj\u0161\u00edm ot\u011brem brzd \u010di vy\u0161\u0161\u00edmi v\u00fdfukov\u00fdmi emisemi (PM<sub>10<\/sub>, PM<sub>2,5<\/sub>, PM<sub>1<\/sub>, NOx). Stejn\u00fd vliv pak m\u00e1 i pohyb a \u010dinnost n\u00e1kladn\u00edch vozidel a stavebn\u00edch stroj\u016f v\u00a0okol\u00ed. P\u0159esn\u011b kvantifikovat mno\u017estv\u00ed a pod\u00edl emis\u00ed ze stavebn\u00edch prac\u00ed na konkr\u00e9tn\u00ed lokalit\u011b je prakticky nemo\u017en\u00e9. Jak bylo zm\u00edn\u011bno v\u00fd\u0161e, stavba p\u016fsob\u00ed na kvalitu ovzdu\u0161\u00ed jak p\u0159\u00edmo, tak nep\u0159\u00edmo a nikdy nen\u00ed jedin\u00fdm zdrojem zne\u010di\u0161t\u011bn\u00ed ovzdu\u0161\u00ed v\u00a0okol\u00ed. Fugitivn\u00ed emise ze stavebn\u00edch \u010dinnost\u00ed se tedy vzhledem k\u00a0velk\u00e9mu mno\u017estv\u00ed faktor\u016f odhaduj\u00ed velmi obt\u00ed\u017en\u011b. Nap\u0159\u00edklad studie (Font, 2014) odhadla, \u017ee demoli\u010dn\u00ed a stavebn\u00ed pr\u00e1ce v\u00a0Lond\u00fdn\u011b v\u00a0roce 2010 vygenerovaly p\u0159ibli\u017en\u011b 1,4 % celkov\u00fdch emis\u00ed PM<sub>10<\/sub>.<\/p>\n<p>Krom\u011b suspendovan\u00fdch \u010d\u00e1stic a oxid\u016f dus\u00edku se m\u016f\u017eou do ovzdu\u0161\u00ed vlivem stavebn\u00edch prac\u00ed dost\u00e1vat i dal\u0161\u00ed zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tky, jako nap\u0159\u00edklad t\u011bkav\u00e9 organick\u00e9 l\u00e1tky (Volatile Organic Compounds, VOCs), oxid uhelnat\u00fd (CO) nebo n\u011bkter\u00e9 kovy.<\/p>\n<h3>Metody omezen\u00ed zne\u010di\u0161\u0165ov\u00e1n\u00ed ovzdu\u0161\u00ed stavebn\u00edmi \u010dinnostmi<\/h3>\n<p>Do jist\u00e9 m\u00edry jsou emise ze stavebn\u00ed \u010dinnosti nevyhnuteln\u00e9. Existuj\u00ed v\u0161ak metody, jak tyto emise alespo\u0148 sn\u00ed\u017eit, mezi ty pat\u0159\u00ed nap\u0159\u00edklad:<\/p>\n<ul>\n<li><strong>zakr\u00fdv\u00e1n\u00ed<\/strong> &#8211; p\u0159ikr\u00fdv\u00e1n\u00ed materi\u00e1lu, kter\u00fd by se proud\u011bn\u00edm mohl dostat do ovzdu\u0161\u00ed (nap\u0159\u00edklad hromada p\u00edsku). Plat\u00ed nap\u0159\u00edklad tak\u00e9 pro zakr\u00fdv\u00e1n\u00ed n\u00e1kladn\u00edho prostoru n\u00e1kladn\u00edch automobil\u016f p\u0159epravuj\u00edc\u00edch stavebn\u00ed materi\u00e1l.<\/li>\n<li><strong>kropen\u00ed<\/strong> \u2013 zvlh\u010dov\u00e1n\u00ed materi\u00e1lu p\u0159ed jeho p\u0159epravou, prac\u00ed s\u00a0n\u00edm, ale tak\u00e9 nap\u0159\u00edklad kropen\u00ed vozovek, co\u017e omezuje resuspenzi.<\/li>\n<li><strong>\u010di\u0161t\u011bn\u00ed<\/strong> \u2013 aktivn\u00ed odstra\u0148ov\u00e1n\u00ed nap\u0159\u00edklad prachu z\u00a0vozovek, \u0161p\u00edny z\u00a0kol n\u00e1kladn\u00edch automobil\u016f p\u0159ed jejich odjezdem z\u00a0rozestav\u011bn\u00e9 lokality apod.<\/li>\n<li><strong>vys\u00e1v\u00e1n\u00ed<\/strong> &#8211; vyu\u017e\u00edv\u00e1n\u00ed vysava\u010de p\u0159i vrt\u00e1n\u00ed apod., tak aby se prach nedost\u00e1val p\u0159\u00edmo do ovzdu\u0161\u00ed.<\/li>\n<li><strong>zdroje energie<\/strong> \u2013 vyu\u017e\u00edv\u00e1n\u00ed alternativn\u00edch zdroj\u016f energi\u00ed, kde to je mo\u017en\u00e9 (nap\u0159\u00edklad vyu\u017e\u00edv\u00e1n\u00ed m\u00edstn\u00edch elektrick\u00fdch p\u0159\u00edpojek na \u00fakor dieselov\u00e9ho agreg\u00e1t\u016f).<\/li>\n<li><strong>p\u0159edp\u0159\u00edprava<\/strong> \u2013 pokud je to mo\u017en\u00e9, vozit na m\u00edsto stavby materi\u00e1l u\u017e p\u0159ipraven\u00fd (nap\u0159\u00edklad na\u0159ezan\u00fd).<\/li>\n<li><strong>na\u010dasov\u00e1n\u00ed prac\u00ed<\/strong> \u2013 odlo\u017een\u00ed pra\u0161n\u00fdch aktivit v\u00a0dob\u011b nep\u0159\u00edzniv\u00fdch meteorologick\u00fdch podm\u00ednek (vysok\u00e9 rychlosti v\u011btru, intenzivn\u00ed sucho).<\/li>\n<li><strong>pl\u00e1nov\u00e1n\u00ed<\/strong> \u2013 pl\u00e1nov\u00e1n\u00ed \u010dasov\u00e9ho harmonogramu stavebn\u00edch prac\u00ed tak, aby se v\u00a0jedn\u00e9 chv\u00edli nestav\u011blo na p\u0159\u00edli\u0161 mnoha m\u00edstech v\u00a0jedn\u00e9 lokalit\u011b a vliv t\u011bchto \u010dinnosti se nes\u010d\u00edtal. D\u016fle\u017eit\u00e9 je tak\u00e9 pl\u00e1nov\u00e1n\u00ed p\u0159\u00edpadn\u00fdch obj\u00edzdn\u00fdch tras, pokud stavebn\u00ed \u010dinnost ovliv\u0148uje pr\u016fjezdnost dopravn\u00edch komunikac\u00ed.<\/li>\n<li><strong>kontrola<\/strong> \u2013 pravideln\u00e9 kontroly dodr\u017eov\u00e1n\u00ed opat\u0159en\u00ed vedouc\u00edch ke sn\u00ed\u017een\u00ed zne\u010di\u0161\u0165ov\u00e1n\u00ed ovzdu\u0161\u00ed a monitorov\u00e1n\u00ed situace<\/li>\n<\/ul>\n<h3>Stavebn\u00ed pr\u00e1ce v okol\u00ed stanice Brno-Zvona\u0159ka<\/h3>\n<ul>\n<li>projekt Tramvaj Plotn\u00ed<\/li>\n<li>pal\u00e1c Trnit\u00e1<\/li>\n<li>kompletn\u00ed rekonstrukce b\u00fdval\u00fdch prostor Vln\u011bny<\/li>\n<li>rekonstrukce Hlavn\u00edho n\u00e1dra\u017e\u00ed a p\u0159ilehl\u00fdch trat\u00ed a most\u016f<\/li>\n<li>deponie zemin p\u0159i ulici Uheln\u00e1<\/li>\n<li>stavebn\u00ed pr\u00e1ce na rohu ulic Dornych a Ml\u00fdnsk\u00e1<\/li>\n<\/ul>\n<p>Rozsah kl\u00ed\u010dov\u00fdch staveni\u0161\u0165 v okol\u00ed je zobrazen na n\u00e1sleduj\u00edc\u00ed mapce r\u016f\u017eovou barvou. V mapce jsou t\u00e9\u017e zv\u00fdrazn\u011bny dv\u011b bl\u00edzk\u00e9 sl\u00e9v\u00e1rny, kter\u00e9 jsou v\u00fdznamn\u00fdmi stacion\u00e1rn\u00edmi zdroji emis\u00ed a \u010derven\u00fdm bodem stanice imisn\u00edho monitoringu Brno-Zvona\u0159ka.<\/p>\n<figure id=\"attachment_2454\" aria-describedby=\"caption-attachment-2454\" style=\"width: 751px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/stavba.png\"><img decoding=\"async\" class=\"wp-image-2454 size-full\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/stavba.png\" alt=\"\" width=\"751\" height=\"905\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/stavba.png 751w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/stavba-249x300.png 249w\" sizes=\"(max-width: 751px) 100vw, 751px\" \/><\/a><figcaption id=\"caption-attachment-2454\" class=\"wp-caption-text\"><em><span style=\"font-size: 10pt;\">Orienta\u010dn\u00ed mapa rozestav\u011bn\u00fdch ploch v okol\u00ed stanice imisn\u00edho monitoringu Brno-Zvona\u0159ka s vyzna\u010den\u00edm rovn\u011b\u017e dvou sl\u00e9v\u00e1rensk\u00fdch objekt\u016f. Vyzna\u010den\u00e9 stavby jsou pouze orienta\u010dn\u00ed a aktu\u00e1ln\u00ed rozsah staveni\u0161t\u011b se m\u016f\u017ee m\u00edrn\u011b odli\u0161ovat. \u010cerven\u00fd bod zna\u010d\u00ed lokalitu um\u00edst\u011bn\u00ed stanice imisn\u00edho monitoringu. 1 \u2013 Vln\u011bna Office Park, 2 \u2013 Pal\u00e1c Trnit\u00e1, 3 \u2013 rekonstrukce Hlavn\u00edho n\u00e1dra\u017e\u00ed Brno, 4 \u2013 Projekt Tramvaj Plotn\u00ed, 5 \u2013 stavebn\u00ed pr\u00e1ce na rohu ulic Ml\u00fdnsk\u00e1 a Dornych, 6 \u2013 deponie zemin p\u0159i ulici Uheln\u00e1, 7 \u2013 rekonstrukce \u017eelezni\u010dn\u00edho mostu p\u0159es ulici Opu\u0161t\u011bn\u00e1, 8 \u2013 sl\u00e9v\u00e1rna Feramo Metallum International s.r.o., 9 \u2013 sl\u00e9v\u00e1rna UXA spol. s.r.o. Zdroj mapov\u00fdch podklad\u016f: Google Maps<\/span><\/em><\/figcaption><\/figure>\n<h2><\/h2>\n<p>V n\u00e1sleduj\u00edc\u00edm textu budou uvedeny pouze d\u00edl\u010d\u00ed z\u00e1v\u011bry jednotliv\u00fdch podkapitol, kompletn\u00ed vyhodnocen\u00ed v\u010detn\u011b graf\u016f a tabulek je k dispozici v pln\u00e9 verzi zpr\u00e1vy.<\/p>\n<p>&nbsp;<\/p>\n<h2>Meteorologick\u00e9 podm\u00ednky<\/h2>\n<ul>\n<li><strong>meteorologick\u00e9 podm\u00ednky velmi v\u00fdznamn\u011b ovliv\u0148uj\u00ed kvalitu ovzdu\u0161\u00ed<\/strong> (teplota a vlhkost vzduchu, rychlost a sm\u011br v\u011btru)<\/li>\n<li>krom\u011b p\u0159\u00edzemn\u00edho ozonu b\u00fdvaj\u00ed <strong>koncentrace zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek nejvy\u0161\u0161\u00ed v chladnou \u010d\u00e1st roku<\/strong>, co\u017e je d\u00e1no jak rozptylov\u00fdmi podm\u00ednkami, tak zdroji zne\u010di\u0161t\u011bn\u00ed<\/li>\n<li>rok 2018 by v celorepublikov\u00e9m hledisku teplotn\u011b velmi nadpr\u016fm\u011brn\u00fd (nejteplej\u0161\u00ed rok od za\u010d\u00e1tku m\u011b\u0159en\u00ed). To se projevilo i na stanici Brno-Zvona\u0159ka \u2013 <strong>v\u0161ech \u0161est analyzovan\u00fdch m\u011bs\u00edc\u016f bylo teplotn\u011b nadpr\u016fm\u011brn\u00fdch<\/strong> o minim\u00e1ln\u011b 0,5 \u00b0C a maxim\u00e1ln\u011b t\u00e9m\u011b\u0159 3 \u00b0C.<\/li>\n<li>pr\u016fm\u011brn\u00e1 m\u011bs\u00ed\u010dn\u00ed relativn\u00ed <strong>vlhkost vzduchu byla v analyzovan\u00e9m \u0161estim\u011bs\u00ed\u010dn\u00edm obdob\u00ed ka\u017ed\u00fd m\u011bs\u00edc ni\u017e\u0161\u00ed<\/strong>, ne\u017e \u010din\u00ed dlouhodob\u00fd pr\u016fm\u011br na stanici Brno-Zvona\u0159ka. Z\u00e1porn\u00e9 odchylky se pohybovaly od -3,5 do -13 %.<\/li>\n<li><strong>rozptylov\u00e9 podm\u00ednky v roce 2018 byly v \u010cesk\u00e9 republice lep\u0161\u00ed, ne\u017e \u010din\u00ed dlouhodob\u00fd pr\u016fm\u011br<\/strong>. Dobr\u00e9 rozptylov\u00e9 podm\u00ednky byly pozorov\u00e1ny 91 % \u010dasu, co\u017e je 120 % dlouhodob\u00e9ho pr\u016fm\u011bru. Nejlep\u0161\u00ed byly rozptylov\u00e9 podm\u00ednky v kv\u011btnu a srpnu, naopak nejhor\u0161\u00ed v \u0159\u00edjnu a listopadu.<\/li>\n<li>pr\u016fm\u011brn\u00e9 m\u011bs\u00ed\u010dn\u00ed <strong>rychlosti v\u011btru se p\u0159\u00edli\u0161 neodli\u0161ovaly od dlouhodob\u00e9ho pr\u016fm\u011bru<\/strong> na stanici. \u010cty\u0159i ze \u0161esti m\u011bs\u00edc\u016f anal\u00fdzy m\u011bly pr\u016fm\u011brnou m\u011bs\u00ed\u010dn\u00ed rychlost ni\u017e\u0161\u00ed, ne\u017e je desetilet\u00fd pr\u016fm\u011br 2008 a\u017e 2017, zbyl\u00e9 dva m\u00edrn\u011b vy\u0161\u0161\u00ed.<\/li>\n<li><strong>dlouhodob\u011b dominantn\u00ed sm\u011br v\u011btru na stanici Brno-Zvona\u0159ka je z\u00e1padn\u00ed, severoz\u00e1padn\u00ed a jihov\u00fdchodn\u00ed<\/strong>. Nejvy\u0161\u0161\u00edch rychlost\u00ed v\u011btru je dosahov\u00e1no p\u0159i severoz\u00e1padn\u00edm a jihov\u00fdchodn\u00edm proud\u011bn\u00ed.<\/li>\n<li><strong>v analyzovan\u00e9m obdob\u00ed z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019<\/strong> byl z\u00e1padn\u00ed sm\u011br v\u00fdrazn\u011b m\u00e9n\u011b zastoupen\u00fd a <strong>dominovalo severoz\u00e1padn\u00ed proud\u011bn\u00ed a druh\u00e9 nej\u010detn\u011bj\u0161\u00ed jihov\u00fdchodn\u00ed<\/strong>.<\/li>\n<\/ul>\n<h2>Suspendovan\u00e9 \u010d\u00e1stice<\/h2>\n<h3>PM<sub>10<\/sub><\/h3>\n<ul>\n<li><strong>hlavn\u00edm zdrojem PM<\/strong><strong><sub>10<\/sub><\/strong><strong> v \u010cR je lok\u00e1ln\u00ed vyt\u00e1p\u011bn\u00ed dom\u00e1cnost\u00ed<\/strong>, dal\u0161\u00edmi v\u00fdznamn\u011bj\u0161\u00edmi zdroji pak jsou <strong>zem\u011bd\u011blstv\u00ed, ve\u0159ejn\u00e1 energetika a v\u00fdroba tepla, t\u011b\u017eba, doprava a v\u00fdstavba a demolice<\/strong>.<\/li>\n<li>za\u010d\u00e1tkem roku 2018 byly koncentrace PM<sub>10<\/sub> na stanici Brno-Zvona\u0159ka relativn\u011b n\u00edzk\u00e9 ve srovn\u00e1n\u00ed s ostatn\u00edmi roky. <strong>V z\u00e1\u0159\u00ed do\u0161lo k prudk\u00e9mu n\u00e1r\u016fstu a v \u0159\u00edjnu byl nam\u011b\u0159en zat\u00edm nejvy\u0161\u0161\u00ed \u0159\u00edjnov\u00fd pr\u016fm\u011br pro tuto stanici<\/strong> (od roku 2007). Pr\u016fm\u011brn\u00e1 koncentrace PM<sub>10<\/sub> v lednu 2019 byla v\u00fdrazn\u011b podpr\u016fm\u011brn\u00e9, naopak v \u00fanoru 2019 v\u00fdrazn\u011b nadpr\u016fm\u011brn\u00e9 (nejvy\u0161\u0161\u00ed kdy nam\u011b\u0159en\u00fd \u00fanorov\u00fd pr\u016fm\u011br na stanici Brno-Zvona\u0159ka).<\/li>\n<li><strong> \u00fanora 2019<\/strong> byl zaznamen\u00e1n dosud <strong>nejvy\u0161\u0161\u00ed kdy nam\u011b\u0159en\u00fd denn\u00ed pr\u016fm\u011br<\/strong> koncentrace PM<sub>10<\/sub> pro stanici Brno-Zvona\u0159ka (178,9 \u00b5g\/m<sup>3<\/sup>)<\/li>\n<li>v\u00a0roce 2018 do\u0161lo k\u00a0<strong>58 p\u0159ekro\u010den\u00edm<\/strong> hodnoty 24h imisn\u00edho limitu PM<sub>10<\/sub>. Vzhledem k\u00a0maxim\u00e1ln\u00edm povolen\u00fdm 35 p\u0159ekro\u010den\u00edm byl <strong>p\u0159ekro\u010den 24h imisn\u00ed limit PM<\/strong><strong><sub>10<\/sub><\/strong> (stejn\u011b jako ve v\u0161ech p\u0159edchoz\u00edch 10 letech).<\/li>\n<li>v\u00a0n\u011bkolika p\u0159\u00edpadech do\u0161lo k\u00a0<strong>rapidn\u00edmu extr\u00e9mn\u00edmu zv\u00fd\u0161en\u00ed koncentrac\u00ed<\/strong> PM<sub>10<\/sub> na hodnoty <strong>p\u0159esahuj\u00edc\u00ed<\/strong> v\u00a0hodinov\u00e9m pr\u016fm\u011bru <strong>500 \u00b5g\/m<\/strong><strong><sup>3<\/sup><\/strong>. P\u0159\u00ed\u010dinou tohoto extr\u00e9mn\u00edho n\u00e1r\u016fstu byly s\u00a0nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed stavebn\u00ed pr\u00e1ce prob\u00edhaj\u00edc\u00ed v\u00a0t\u011bsn\u00e9 bl\u00edzkosti stanice. Nap\u0159\u00edklad zejm\u00e9na b\u011bhem demoli\u010dn\u00edch prac\u00ed se do ovzdu\u0161\u00ed velmi rychle uvol\u0148uje obrovsk\u00e9 mno\u017estv\u00ed prachov\u00fdch \u010d\u00e1stic a to \u010d\u00e1stic sp\u00ed\u0161e v\u011bt\u0161\u00edch, frakce PM<sub>10<\/sub>.<\/li>\n<li>obdob\u00ed z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019 bylo <strong>v 54,1 % dnech nadpr\u016fm\u011brn\u00e9<\/strong>, ale z\u00e1rove\u0148 <strong>ve 23,2 % dn\u00ed byly koncentrace PM<\/strong><strong><sub>10<\/sub><\/strong><strong> rekordn\u011b vysok\u00e9 pro dan\u00fd den<\/strong>. Jin\u00fdmi slovy, 42,9 % dn\u00ed s nadpr\u016fm\u011brnou koncentrac\u00ed bylo z\u00e1rove\u0148 historick\u00fdm maximem pro dan\u00fd den v roce. Z toho vypl\u00fdv\u00e1, \u017ee se v tomto p\u016flro\u010dn\u00edm obdob\u00ed <strong>koncentrace PM<\/strong><strong><sub>10<\/sub><\/strong><strong> zvy\u0161ovaly zejm\u00e9na n\u00e1razov\u011b<\/strong> (jeden a v\u00edce dn\u00ed), av\u0161ak v t\u011bchto n\u00e1razov\u00fdch zv\u00fd\u0161en\u00edch se jednalo o zv\u00fd\u0161en\u00ed extr\u00e9mn\u00ed.<\/li>\n<\/ul>\n<h3>PM<sub>2,5<\/sub><\/h3>\n<ul>\n<li>hlavn\u00edm zdrojem men\u0161\u00edch \u010d\u00e1stic PM<sub>2,5<\/sub> je <strong>lok\u00e1ln\u00ed vyt\u00e1p\u011bn\u00ed dom\u00e1cnost\u00ed<\/strong> a dal\u0161\u00edmi v\u00fdznamn\u00fdmi zdroji jsou ve\u0159ejn\u00e1 energetika a v\u00fdroba tepla a doprava.<\/li>\n<li>zat\u00edmco PM<sub>10<\/sub> vznikaj\u00ed p\u0159edev\u0161\u00edm mechanicky, men\u0161\u00ed PM<sub>2,5<\/sub> vznikaj\u00ed \u010dasto p\u0159i <strong>spalovac\u00edch procesech<\/strong><\/li>\n<li>p\u0159i srovn\u00e1n\u00ed pr\u016fm\u011brn\u00fdch m\u011bs\u00ed\u010dn\u00edch koncentrac\u00ed v\u00a0roce 2018 a lednu a \u00fanoru 2019 je patrn\u00e9, \u017ee na rozd\u00edl od PM<sub>10<\/sub> nedo\u0161lo k\u00a0\u017e\u00e1dn\u00e9mu v\u00fdrazn\u00e9mu n\u00e1r\u016fstu oproti p\u0159edchoz\u00edm let\u016fm. <strong>M\u011bs\u00ed\u010dn\u00ed pr\u016fm\u011brn\u00e9 koncentrace v\u00a0dan\u00e9 obdob\u00ed byly podpr\u016fm\u011brn\u00e9.<\/strong><\/li>\n<li>nejvy\u0161\u0161\u00ed denn\u00ed pr\u016fm\u011brn\u00e1 koncentrace PM<sub>2,5<\/sub> ve sledovan\u00e9m obdob\u00ed byla nam\u011b\u0159ena 22. ledna 2019, co\u017e bylo obdob\u00ed s\u00a0plo\u0161n\u011b \u0161patnou kvalitou ovzdu\u0161\u00ed, kter\u00e1 byla pozorov\u00e1na v\u00a0cel\u00e9 v\u00fdchodn\u00ed \u010d\u00e1sti republiky a zv\u00fd\u0161en\u00ed nesouviselo s\u00a0lok\u00e1ln\u00edmi zdroji, ale sp\u00ed\u0161e s\u00a0d\u00e1lkov\u00fdm transportem a velmi n\u00edzk\u00fdmi teplotami<\/li>\n<li>v\u00a0dan\u00e9m obdob\u00ed bylo <strong>pouze 37,6 % dn\u00ed nad dlouhodob\u00fd pr\u016fm\u011br<\/strong> pro dan\u00fd kalend\u00e1\u0159n\u00ed den, zbytek dn\u00ed byly koncentrace pro dan\u00fd den pod dlouhodob\u00fdm pr\u016fm\u011brem. Historick\u00fdch maxim pro dan\u00fd kalend\u00e1\u0159n\u00ed den bylo pozorov\u00e1no pouze 6,6 %, co\u017e je m\u00e9n\u011b, ne\u017e odpov\u00edd\u00e1 statistick\u00e9mu v\u00fdskytu t\u011bchto maxim.<\/li>\n<li><strong>nejvy\u0161\u0161\u00ed koncentrace<\/strong> PM<sub>2,5<\/sub> byly zaznamen\u00e1ny ve shod\u011b s\u00a0\u010d\u00e1sticemi PM<sub>10<\/sub> <strong>p\u0159i jihov\u00fdchodn\u00edm proud\u011bn\u00ed<\/strong><\/li>\n<li>k\u00a0dlouhodob\u00e9mu pr\u016fm\u011bru koncentrac\u00ed PM<sub>2,5<\/sub> nejv\u00edce p\u0159isp\u00edv\u00e1 severoz\u00e1padn\u00ed sm\u011br v\u011btru, co\u017e souvis\u00ed s\u00a0frekvenc\u00ed proud\u011bn\u00ed na t\u00e9to stanici sp\u00ed\u0161e ne\u017e s\u00a0n\u011bjak\u00fdm konkr\u00e9tn\u00edm zdrojem na SZ od stanice<\/li>\n<li><strong>koncentrace byly v\u00a0pr\u016fm\u011bru ni\u017e\u0161\u00ed ve v\u0161echny hodiny dne, a to o 10 a\u017e 20 %.<\/strong><\/li>\n<\/ul>\n<h3>PM<sub>1<\/sub><\/h3>\n<ul>\n<li>koncentrace PM<sub>1<\/sub> v\u00a0roce 2018 i na za\u010d\u00e1tku roku 2019 byly ve srovn\u00e1n\u00ed s\u00a0p\u0159edchoz\u00edmi lety <strong>podpr\u016fm\u011brn\u00e9<\/strong><\/li>\n<li>nejvy\u0161\u0161\u00ed pr\u016fm\u011brn\u00e1 koncentrace PM<sub>1<\/sub> v\u00a0obdob\u00ed z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019 byla zaznamen\u00e1na 22.\u00a0ledna 2019, kdy byla celkov\u011b kvalita ovzdu\u0161\u00ed v\u00a0cel\u00e9 v\u00fdchodn\u00ed \u010d\u00e1sti \u010cR \u0161patn\u00e1<\/li>\n<li><strong>nejvy\u0161\u0161\u00ed koncentrace<\/strong> byly ve shod\u011b s\u00a0dal\u0161\u00edmi frakcemi pozorov\u00e1ny <strong>p\u0159i jihov\u00fdchodn\u00edm proud\u011bn\u00ed<\/strong><\/li>\n<li>k\u00a0celkov\u00e9mu pr\u016fm\u011bru nejv\u00edce p\u0159isp\u00edval severoz\u00e1padn\u00ed sm\u011br v\u011btru, co\u017e souvis\u00ed s\u00a0dominanc\u00ed tohoto sm\u011bru proud\u011bn\u00ed v\u00a0dan\u00e9m obdob\u00ed v\u00a0dan\u00e9 lokalit\u011b<\/li>\n<li>ve sledovan\u00e9m obdob\u00ed bylo <strong>pouze 34,8 % dn\u00ed nadpr\u016fm\u011brn\u00fdch, zbytek dn\u00ed byl ve srovn\u00e1n\u00ed s\u00a0dlouhodob\u00fdm pr\u016fm\u011brem pro dan\u00fd kalend\u00e1\u0159n\u00ed den podpr\u016fm\u011brn\u00fd<\/strong>. Pouze v\u00a05 p\u0159\u00edpadech (2,8\u00a0%) bylo zaznamen\u00e1no historick\u00e9 maximum pro pr\u016fm\u011brnou koncentraci PM<sub>1<\/sub> dan\u00fd kalend\u00e1\u0159n\u00ed den.<\/li>\n<\/ul>\n<h3>Pom\u011bry frakc\u00ed<\/h3>\n<ul>\n<li><strong>pom\u011bry a zm\u011bny pom\u011br\u016f mezi koncentracemi jednotliv\u00fdch frakc\u00ed PM p\u0159isp\u00edvaj\u00ed k\u00a0identifikaci zdroj\u016f<\/strong> a jsou dobr\u00fdm ukazatelem potenci\u00e1ln\u00edch zm\u011bn t\u011bchto zdroj\u016f<\/li>\n<li>z\u00a0v\u00fdsledk\u016f je jednozna\u010dn\u011b patrn\u00e9, \u017ee <strong>nejv\u00edce se m\u011bnily koncentrace frakce PM<\/strong><strong><sub>10<\/sub><\/strong>. U t\u00e9to frakce do\u0161lo k\u00a0v\u00fdrazn\u00e9mu n\u00e1r\u016fstu pr\u016fm\u011brn\u00fdch koncentrac\u00ed ve sledovan\u00e9m obdob\u00ed, ale u frakc\u00ed PM<sub>2,5<\/sub> a PM<sub>1<\/sub> takov\u00fdto n\u00e1r\u016fst zaznamen\u00e1n nebyl.<\/li>\n<li>p\u0159i plo\u0161n\u00e9m zne\u010di\u0161t\u011bn\u00ed koncem ledna 2019 do\u0161lo k\u00a0pom\u011brov\u00e9mu zv\u00fd\u0161en\u00ed koncentrac\u00ed v\u0161ech frakc\u00ed. V\u00a0jin\u00e9 dny s\u00a0velmi vysok\u00fdmi koncentracemi PM<sub>10<\/sub> lok\u00e1ln\u011b pouze na t\u00e9to stanici v\u0161ak u ostatn\u00edch frakc\u00ed ke zv\u00fd\u0161en\u00ed nedoch\u00e1zelo.<\/li>\n<li>pom\u011bry mezi \u010d\u00e1sticemi se od dlouhodob\u00e9ho pr\u016fm\u011bru odli\u0161ovaly <strong>zejm\u00e9na v\u00a0pracovn\u00ed dny<\/strong> (p\u0159ibli\u017en\u011b dvojn\u00e1sobn\u011b v\u00edce ne\u017e o v\u00edkendu). Nav\u00edc byl pom\u011br \u010d\u00e1stic PM<sub>2,5<\/sub>\/PM<sub>10<\/sub> nejni\u017e\u0161\u00ed (tedy nejvy\u0161\u0161\u00ed pod\u00edl v\u011bt\u0161\u00edch \u010d\u00e1stic) <strong>v\u00a0denn\u00ed dobu a naopak nejni\u017e\u0161\u00ed v noci<\/strong>.<\/li>\n<li>v\u00fd\u0161e uveden\u00e9 informace <strong>podporuj\u00ed z\u00e1v\u011br, \u017ee za vysok\u00e9 koncentrace PM<sub>10<\/sub> m\u016f\u017eou stavebn\u00ed pr\u00e1ce v\u00a0okol\u00ed<\/strong>, kter\u00e9 jsou zdrojem p\u0159edev\u0161\u00edm v\u011bt\u0161\u00edch \u010d\u00e1stic frakce PM<sub>10<\/sub> (n\u00e1r\u016fst u jin\u00fdch frakc\u00ed nebyl pozorov\u00e1n), co\u017e se projevuje p\u0159edev\u0161\u00edm ve v\u0161edn\u00ed dny a denn\u00ed dobu, kdy tyto pr\u00e1ce prim\u00e1rn\u011b prob\u00edhaj\u00ed a kdy je v\u00a0okol\u00ed stanice intenzivn\u00ed doprava, kter\u00e1 krom\u011b vlastn\u00ed produkce PM v\u00fdrazn\u011b p\u0159isp\u00edv\u00e1 k\u00a0vysok\u00fdm koncentrac\u00edm resuspenz\u00ed (v\u00ed\u0159en\u00edm) \u010d\u00e1stic ze stavby na vozovce.<\/li>\n<\/ul>\n<h2>Oxid dusi\u010dit\u00fd<\/h2>\n<ul>\n<li><strong>hlavn\u00edm zdrojem NO<\/strong><strong><sub>2<\/sub><\/strong><strong> v\u00a0\u010cesk\u00e9 republice je doprava<\/strong> a dal\u0161\u00edm v\u00fdznamn\u00fdm zdrojem je ve\u0159ejn\u00e1 energetika a v\u00fdroba tepla<\/li>\n<li>pr\u016fm\u011brn\u00e9 m\u011bs\u00ed\u010dn\u00ed koncentrace NO<sub>2<\/sub> byly v\u00a0roce 2018 p\u0159ibli\u017en\u011b do \u010dervna pr\u016fm\u011brn\u00e9, n\u00e1sledn\u011b v\u00a0letn\u00ed m\u011bs\u00edce podpr\u016fm\u011brn\u00e9, nadpr\u016fm\u011brn\u00e9 v\u00a0\u0159\u00edjnu a v\u00a0listopadu a prosinci op\u011bt podpr\u016fm\u011brn\u00e9. Prvn\u00ed dva m\u011bs\u00edce roku 2019 lze co do pr\u016fm\u011brn\u00fdch m\u011bs\u00ed\u010dn\u00edch koncentrac\u00ed NO<sub>2<\/sub> ozna\u010dit jako pr\u016fm\u011brn\u00e9.<\/li>\n<li><strong>ro\u010dn\u00ed imisn\u00ed limit pro NO<\/strong><strong><sub>2<\/sub><\/strong><strong> nebyl v\u00a0obdob\u00ed 2008 a\u017e 2018 p\u0159ekro\u010den ani jednou<\/strong><\/li>\n<li>k\u00a0p\u0159ekro\u010den\u00ed hodnoty hodinov\u00e9ho imisn\u00edho limitu NO<sub>2<\/sub> do\u0161lo pouze velmi v\u00fdjime\u010dn\u011b (6 p\u0159\u00edpad\u016f) v\u00a0letech 2009 a 2010, povolen\u00fd po\u010det p\u0159ekro\u010den\u00ed t\u00e9to hodnoty vy\u010derp\u00e1n nebyl a proto <strong>nebyl hodinov\u00fd imisn\u00ed limit p\u0159ekro\u010den v\u00a0obdob\u00ed 2008 a\u017e 2018 ani jednou<\/strong><\/li>\n<li><strong>ve 43,6 % p\u0159\u00edpad\u016f byly pr\u016fm\u011brn\u00e9 denn\u00ed koncentrace NO<\/strong><strong><sub>2<\/sub><\/strong> ve sledovan\u00e9 obdob\u00ed z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019 <strong>vy\u0161\u0161\u00ed<\/strong> ne\u017e \u010din\u00ed dlouhodob\u00fd pr\u016fm\u011br pro dan\u00fd kalend\u00e1\u0159n\u00ed den. <strong>V\u00a0ostatn\u00edch p\u0159\u00edpadech byly koncentrace pod t\u00edmto pr\u016fm\u011brem<\/strong>. Maximum pro dan\u00fd kalend\u00e1\u0159n\u00ed den od roku 2008 bylo zaznamen\u00e1no v\u00a016 p\u0159\u00edpadech (8,84%).<\/li>\n<li><strong>nejvy\u0161\u0161\u00ed koncentrace jsou zaznamen\u00e1v\u00e1ny p\u0159i jihov\u00fdchodn\u00edm proud\u011bn\u00ed<\/strong> a n\u00edzk\u00fdch rychlostech v\u011btru a to jak dlouhodob\u011b, tak b\u011bhem analyzovan\u00e9ho obdob\u00ed, co\u017e souvis\u00ed s\u00a0dominantn\u00edm zdrojem, kter\u00fdm je doprava a polohou komunikace vzhledem ke stanici<\/li>\n<li>v\u00a0denn\u00edm chodu jsou jasn\u011b patrn\u00e9 <strong>dv\u011b \u0161pi\u010dky \u010dasov\u011b se shoduj\u00edc\u00ed s\u00a0rann\u00ed a odpoledn\u00ed dopravn\u00ed \u0161pi\u010dkou<\/strong>. V\u00a0nepracovn\u00ed dny jsou koncentrace v\u00fdrazn\u011b ni\u017e\u0161\u00ed. Sledovan\u00e9 obdob\u00ed se od dlouhodob\u00e9ho chodu nijak neodli\u0161uje.<\/li>\n<li>a\u010d pat\u0159\u00ed koncentrace NO<sub>2<\/sub> na stanici Brno-Zvona\u0159ka k\u00a0nejvy\u0161\u0161\u00edm v\u00a0Aglomeraci Brno, tento stav je dlouhodob\u00fd a souvis\u00ed s\u00a0intenzitou dopravy v\u00a0okol\u00ed stanice. <strong>V\u00a0analyzovan\u00e9m obdob\u00ed z\u00e1\u0159\u00ed 2018 a\u017e \u00fanor 2019 nebyl pozorov\u00e1n n\u00e1r\u016fst NO<\/strong><strong><sub>2<\/sub><\/strong>.<\/li>\n<\/ul>\n<h2>\u010c\u00e1sticov\u00e1 anal\u00fdza skenovac\u00edm elektronov\u00fdm mikroskopem<\/h2>\n<ul>\n<li><strong>automatick\u00e1 \u010d\u00e1sticov\u00e1 anal\u00fdza<\/strong> skenovac\u00edm elektronov\u00fdm mikroskopem potvrdila <strong>vysok\u00fd pod\u00edl \u010d\u00e1stic obsahuj\u00edc\u00edch prvky<\/strong> (k\u0159em\u00edk, v\u00e1pn\u00edk, ho\u0159\u010d\u00edk, drasl\u00edk, hlin\u00edk) <strong>typick\u00e9 pro p\u016fdy \u010di stavebn\u00ed materi\u00e1l<\/strong> (p\u00edsek, cement apod.)<\/li>\n<li>v\u011bt\u0161ina \u010d\u00e1stic m\u011bla <strong>nepravideln\u00fd tvar<\/strong>, co\u017e sv\u011bd\u010d\u00ed o sp\u00ed\u0161e mechanick\u00e9m p\u016fvodu ne\u017e vznikem b\u011bhem spalovac\u00edho procesu<\/li>\n<li><strong>manu\u00e1ln\u00ed \u010d\u00e1sticov\u00e1 anal\u00fdza<\/strong> na vzorku celkov\u00e9ho prachu odebran\u00e9m p\u0159\u00edmo z\u00a0povrchu vozovky rovn\u011b\u017e potvrdila p\u0159\u00edtomnost tak\u0159ka v\u00fdhradn\u011b \u010d\u00e1stic p\u016fdy a stavebn\u00edch materi\u00e1l\u016f nepravideln\u00e9ho tvaru. Tyto \u010d\u00e1stice tak\u00e9 sv\u00fdm slo\u017een\u00edm a morfologi\u00ed byly podobn\u00e9 v\u011bt\u0161in\u011b \u010d\u00e1stic, kter\u00e9 byly nalezeny p\u0159i odb\u011bru z\u00a0ovzdu\u0161\u00ed. Tam se tedy pravd\u011bpodobn\u011b dost\u00e1vaj\u00ed jak p\u0159\u00edmo <strong>proud\u011bn\u00edm v\u011btru, tak opakovan\u011b resuspenz\u00ed <\/strong>z\u00a0vozovky.<\/li>\n<li>n\u011bkter\u00e9 z\u00a0\u010d\u00e1stic odebran\u00fdch vzorkov\u00e1n\u00edm ovzdu\u0161\u00ed obsahovaly tak\u00e9 vy\u0161\u0161\u00ed obsah <strong>\u017eeleza<\/strong>. Tyto \u010d\u00e1stice v\u0161ak byly sp\u00ed\u0161e nepravideln\u00e9ho tvaru a \u010dasto v\u00a0kombinaci s\u00a0dal\u0161\u00edmi prvky typick\u00fdmi pro p\u016fdn\u00ed \u010d\u00e1stice, proto je pravd\u011bpodobn\u011bj\u0161\u00ed, \u017ee nepoch\u00e1zely z\u00a0pr\u016fmyslov\u00e9 \u010dinnosti \u010di dopravy, ale z\u00a0p\u0159irozen\u011b se vyskytuj\u00edc\u00edch zdroj\u016f \u010di p\u016fd, kter\u00e9 sem mohly b\u00fdt dovezeny v\u00a0souvislosti se stavebn\u00ed \u010dinnost\u00ed nebo mohly vzniknout p\u0159i mechanick\u00e9 pr\u00e1ci na stavb\u011b.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka.png\"><img decoding=\"async\" class=\"aligncenter wp-image-2456 size-large\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka-917x1024.png\" alt=\"\" width=\"917\" height=\"1024\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka-917x1024.png 917w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka-269x300.png 269w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka-768x858.png 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/05\/SEMZvonarka.png 1536w\" sizes=\"(max-width: 917px) 100vw, 917px\" \/><\/a><\/p>\n<h2>Doporu\u010den\u00ed a z\u00e1v\u011br<\/h2>\n<p><strong>Kvalita ovzdu\u0161\u00ed na d\u0159\u00edve dopravn\u00ed a nyn\u00ed pr\u016fmyslov\u00e9 stanici Brno-Zvona\u0159ka je dlouhodob\u011b zhor\u0161en\u00e1 a imisn\u00ed limit pro 24h koncentraci suspendovan\u00fdch \u010d\u00e1stic PM<sub>10<\/sub> je zde p\u0159ekra\u010dov\u00e1n ka\u017ed\u00fd rok od roku 2008<\/strong>, kdy bylo m\u011b\u0159en\u00ed \u010d\u00e1stic PM<sub>10<\/sub> na t\u00e9to stanici zah\u00e1jeno. Nav\u00edc byl ji\u017e v\u00a0tuto chv\u00edli v\u00a0dubnu ro\u010dn\u00ed imisn\u00ed limit p\u0159ekro\u010den pro rok 2019, jeliko\u017e jen b\u011bhem prvn\u00edch dvou m\u011bs\u00edc\u016f roku byl povolen\u00fd po\u010det p\u0159ekro\u010den\u00ed vy\u010derp\u00e1n z\u00a0v\u00edce ne\u017e 75 % a ke konci dubna bylo p\u0159ekro\u010den\u00ed ji\u017e 43.<\/p>\n<p><strong>P\u0159ibli\u017en\u011b od z\u00e1\u0159\u00ed 2018 do\u0161lo k\u00a0v\u00fdrazn\u011bj\u0161\u00edmu zhor\u0161en\u00ed situace. Zv\u00fd\u0161ily se zejm\u00e9na koncentrace suspendovan\u00fdch \u010d\u00e1stic frakce PM<sub>10<\/sub>, u frakc\u00ed PM<sub>2,5<\/sub> a PM<sub>1<\/sub> n\u00e1r\u016fst pozorov\u00e1n nebyl, stejn\u011b jako u NO<sub>2<\/sub>. V\u00a0maxim\u00e1ln\u00edch hodinov\u00fdch pr\u016fm\u011brech dos\u00e1hla koncentrace PM<sub>10<\/sub> i v\u00edce ne\u017e 500 \u00b5g\/m<sup>3<\/sup>.<\/strong> Takov\u00e9to n\u00e1r\u016fsty nebyly pozorov\u00e1ny na \u017e\u00e1dn\u00e9 z\u00a0okoln\u00edch dopravn\u00edch stanic a jsou lok\u00e1ln\u00edho charakteru.<\/p>\n<p>Na z\u00e1klad\u011b vyhodnocen\u00ed v\u00a0t\u00e9to zpr\u00e1v\u011b je jist\u00e9, \u017ee za zv\u00fd\u0161en\u00fdmi koncentracemi PM<sub>10<\/sub> v\u00a0dan\u00e9 lokalit\u011b stoj\u00ed <strong>stavebn\u00ed pr\u00e1ce a \u010dinnosti a ve\u0161ker\u00e9 s\u00a0nimi spojen\u00e9 zm\u011bny v\u00a0okol\u00ed<\/strong> \u2013 tedy nap\u0159\u00edklad sn\u00ed\u017een\u00ed plynulosti dopravy, pr\u016fjezdy n\u00e1kladn\u00edch automobil\u016f na stavbu, vy\u0161\u0161\u00ed m\u00edra resuspenze prachu na silnici atd.<\/p>\n<p>Standardn\u00ed dopravn\u00ed z\u00e1t\u011b\u017e na hlavn\u00ed komunikaci u stanice (ulice Opu\u0161t\u011bn\u00e1) je p\u0159ibli\u017en\u011b 43 tis\u00edc vozidel denn\u011b, s\u00a0pr\u016fm\u011brnou rychlost\u00ed dopravn\u00edho proudu 40 km\/h. V\u00a0sou\u010dasn\u00e9 dob\u011b v\u0161ak m\u016f\u017ee b\u00fdt z\u00e1t\u011b\u017e vzhledem k\u00a0faktu, \u017ee se \u010d\u00e1ste\u010dn\u011b jedn\u00e1 o obj\u00edzdnou trasu a \u017ee zde proj\u00ed\u017ed\u00ed i n\u00e1kladn\u00ed vozy v\u00a0souvislosti se stavbou, v\u011bt\u0161\u00ed. Nav\u00edc i pr\u016fm\u011brn\u00e1 rychlost dopravn\u00edho proudu je pravd\u011bpodobn\u011b v\u00a0d\u016fsledku tvorby dopravn\u00edch kolon ni\u017e\u0161\u00ed.<\/p>\n<p>Tomuto z\u00e1v\u011bru nasv\u011bd\u010duje n\u011bkolik fakt\u016f:<\/p>\n<ul>\n<li><strong>Do\u0161lo ke zv\u00fd\u0161en\u00ed koncentrac\u00ed prakticky pouze v\u011bt\u0161\u00edch \u010d\u00e1stic<\/strong>, kter\u00e9 vznikaj\u00ed p\u0159edev\u0161\u00edm mechanicky (v\u00fdrazn\u011b se sn\u00ed\u017eil pom\u011br PM<sub>2,5<\/sub>\/PM<sub>10<\/sub>).<\/li>\n<li><strong>B\u011bhem dan\u00e9ho obdob\u00ed byly meteorologick\u00e9 a rozptylov\u00e9 podm\u00ednky lep\u0161\u00ed, ne\u017e je obvykl\u00e9<\/strong>, proto za zv\u00fd\u0161en\u00edm nem\u016f\u017ee st\u00e1t zhor\u0161en\u00e1 rozptylov\u00e1 situace nebo nap\u0159\u00edklad intenzivn\u011bj\u0161\u00ed vyt\u00e1p\u011bn\u00ed.<\/li>\n<li>Zv\u00fd\u0161en\u00e9 koncentrace PM<sub>10<\/sub> byly pozorov\u00e1ny zejm\u00e9na ve <strong>v\u0161edn\u00ed dny<\/strong>, m\u00e9n\u011b pak o v\u00edkendu.<\/li>\n<li>V\u00a0m\u00edst\u011b je moment\u00e1ln\u011b kv\u016fli stavebn\u00edm prac\u00edm n\u011bkolik dopravn\u00edch omezen\u00ed a z\u00fa\u017een\u00ed, kter\u00e9 sni\u017euj\u00ed plynulost dopravy.<\/li>\n<li><strong>Dopravn\u00ed komunikace v\u00a0okol\u00ed, v\u010detn\u011b chodn\u00edk\u016f, jsou viditeln\u011b pokryt\u00e9 prachem<\/strong>. Anal\u00fdza \u010d\u00e1stic mikroskopem potvrdila, \u017ee \u010d\u00e1stice odebran\u00e9 p\u0159\u00edmo z\u00a0vozovky se velmi podobaj\u00ed \u010di jsou slo\u017een\u00edm shodn\u00e9 s\u00a0\u010d\u00e1sticemi nalezen\u00fdmi ve vzorku ovzdu\u0161\u00ed.<\/li>\n<li>Nen\u00ed zn\u00e1mo, \u017ee by se koncem roku 2018 v okol\u00ed stanice z\u0159\u00eddil jak\u00fdkoliv dal\u0161\u00ed v\u00fdznamn\u00fd zdroj zne\u010di\u0161\u0165ov\u00e1n\u00ed ovzdu\u0161\u00ed.<\/li>\n<\/ul>\n<p><strong>Zcela zabr\u00e1nit vy\u0161\u0161\u00ed m\u00ed\u0159e zne\u010di\u0161\u0165ov\u00e1n\u00ed ovzdu\u0161\u00ed b\u011bhem stavebn\u00edch prac\u00ed a s\u00a0nimi spojen\u00fdch \u010dinnost\u00ed je nere\u00e1ln\u00e9. P\u0159esto lze podniknout n\u011bkter\u00e9 kroky, kter\u00e9 m\u016f\u017eou p\u0159isp\u011bt k\u00a0co nejv\u011bt\u0161\u00edmu potla\u010den\u00ed negativn\u00edch dopad\u016f staveb na okoln\u00ed ovzdu\u0161\u00ed.<\/strong> Konkr\u00e9tn\u00ed body byly pops\u00e1ny v\u00a0kapitole Stavebn\u00ed pr\u00e1ce. V\u00fdznamn\u00fd je nap\u0159\u00edklad \u00faklid vozovek (omezuje resuspenzi), kropen\u00ed (vliv vlhk\u00e9ho prost\u0159ed\u00ed na kvalitu ovzdu\u0161\u00ed byl ilustrov\u00e1n na za\u010d\u00e1tku t\u00e9to kapitoly v\u00a0sekci Meteorologick\u00e9 podm\u00ednky), p\u0159ikr\u00fdv\u00e1n\u00ed stacion\u00e1rn\u00edho a p\u0159ev\u00e1\u017een\u00e9ho stavebn\u00edho materi\u00e1lu \u010di pl\u00e1nov\u00e1n\u00ed staveb tak, aby nedoch\u00e1zelo k\u00a0soub\u011bhu p\u0159\u00edli\u0161 vysok\u00e9ho po\u010dtu stavebn\u00edch \u010dinnost\u00ed ve stejn\u00e9 lokalit\u011b ve shodn\u00fd \u010das.<\/p>\n<p>D\u00e1le na z\u00e1klad\u011b rozsahu stavebn\u00edch \u010dinnost\u00ed v\u00a0okol\u00ed a na z\u00e1klad\u011b jejich \u010dasov\u00e9ho harmonogramu a d\u00e9lky bylo <strong>doporu\u010deno a realizov\u00e1no do\u010dasn\u00e9 p\u0159eklasifikov\u00e1n\u00ed dopravn\u00ed stanice imisn\u00edho monitoringu Brno-Zvona\u0159ka na stanici kategorie \u201epr\u016fmyslov\u00e1\u201c, jeliko\u017e tato klasifikace l\u00e9pe vystihuje aktu\u00e1ln\u00ed lokalitu um\u00edst\u011bn\u00ed.<\/strong><\/p>\n<p>A\u010dkoliv tedy bylo jasn\u011b zji\u0161t\u011bno, \u017ee za zhor\u0161enou situac\u00ed a v\u00fdrazn\u011b zv\u00fd\u0161en\u00fdmi koncentracemi PM<sub>10<\/sub> stoj\u00ed rozs\u00e1hl\u00e9 stavebn\u00ed pr\u00e1ce v\u00a0okol\u00ed, <strong>zjistit kter\u00e1 p\u0159esn\u011b stavba v\u00a0jak\u00fd \u010das zp\u016fsobila jakou m\u00edru zne\u010di\u0161t\u011bn\u00ed nen\u00ed mo\u017en\u00e9<\/strong>.<\/p>\n<h2>Kompletn\u00ed zpr\u00e1va<\/h2>\n<p><a href=\"https:\/\/www.kr-jihomoravsky.cz\/Default.aspx?ID=389107&amp;TypeID=61\">Kompletn\u00ed zpr\u00e1va<\/a> je k dispozici v PDF form\u00e1tu na str\u00e1nk\u00e1ch zadavatele studie, Jihomoravsk\u00e9ho kraje. Hodnocen\u00ed potenci\u00e1ln\u00edch dopad\u016f zhor\u0161en\u00ed kvality ovzdu\u0161\u00ed na lidsk\u00e9 zdrav\u00ed a ekosyst\u00e9my \u010di p\u0159ij\u00edm\u00e1n\u00ed pat\u0159i\u010dn\u00fdch opat\u0159en\u00ed ji\u017e nen\u00ed v kompetenci \u010cesk\u00e9ho hydrometeorologick\u00e9ho \u00fastavu, kter\u00fd zde pln\u00ed pouze roli odborn\u00e9ho hodnotitele kvality ovzdu\u0161\u00ed jako takov\u00e9 a poskytuje doporu\u010den\u00ed.<\/p>\n<p>&nbsp;<\/p>\n<p>Zdroje:<\/p>\n<p><em>Font, A., Baker, T., Mudway, I.S., Purdie, E., Dunster, C. and Fuller, G.W., 2014. Degradation in urban air quality from construction activity and increased traffic arising from a road widening scheme. Science of the Total Environment, 497, pp.123-132.<\/em><\/p>\n<p><em>Koumar, P., Mulheron, M. and Som, C., 2012. Release of ultrafine particles from three simulated building processes. Journal of Nanoparticle Research, 14(4), p.771.<\/em><\/p>\n<p><em>Wagner, A.C., Bergen, A., Brilke, S., B\u00fchner, B., Ebert, M., Haunold, W., Heinritzi, M., Herzog, S., Jacobi, S., K\u00fcrten, A. and Piel, F., 2017. Characterization of aerosol particles produced by a skyscraper demolition by blasting. Journal of Aerosol Science, 112, pp.11-18.<\/em><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V jednom z minul\u00fdch \u010dl\u00e1nk\u016f jsme sl\u00edbili poskytnut\u00ed z\u00e1v\u011br\u016f z rozs\u00e1hl\u00e9 odobrn\u00e9 zpr\u00e1vy zam\u011b\u0159en\u00e9 na kvalitu ovzdu\u0161\u00ed na pr\u016fmyslov\u00e9 stanici Brno-Zvona\u0159ka, kter\u00e1 je v sou\u010dasnosti stanic\u00ed s nejvy\u0161\u0161\u00edm po\u010dtem p\u0159ekro\u010den\u00ed 24h imisn\u00edho limitu pro PM10 v \u010cesk\u00e9 republice. Zpr\u00e1va se zam\u011b\u0159uje na obdob\u00ed od z\u00e1\u0159\u00ed 2018 do konce \u00fanora 2019, tedy obdob\u00ed, kdy byl n\u00e1r\u016fst [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[5],"tags":[69,135,43],"coauthors":[19],"class_list":["post-2452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ovzdusi","tag-brno","tag-vyhodnoceni","tag-znecisteni","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2019\/03\/52976507_10102794739457131_4597843622300221440_o.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-Dy","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/2452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/comments?post=2452"}],"version-history":[{"count":4,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/2452\/revisions"}],"predecessor-version":[{"id":2459,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/2452\/revisions\/2459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/2204"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=2452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=2452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=2452"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=2452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}