{"id":3203,"date":"2020-03-02T13:40:45","date_gmt":"2020-03-02T12:40:45","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=3203"},"modified":"2020-03-02T16:36:47","modified_gmt":"2020-03-02T15:36:47","slug":"hrozba-muze-mit-i-pozitivni-dopady-aneb-vliv-koronaviru-na-kvalitu-ovzdusi","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2020\/03\/02\/hrozba-muze-mit-i-pozitivni-dopady-aneb-vliv-koronaviru-na-kvalitu-ovzdusi\/","title":{"rendered":"Hrozba m\u016f\u017ee m\u00edt i pozitivn\u00ed dopady &#8211; aneb vliv koronaviru na kvalitu ovzdu\u0161\u00ed"},"content":{"rendered":"<p><em><strong>O koronaviru se mluv\u00ed t\u00e9m\u011b\u0159 v\u00fdhradn\u011b v negativn\u00edm sv\u011btle, co\u017e je samoz\u0159ejm\u011b pochopiteln\u00e9. \u0160\u00ed\u0159en\u00ed epidemie koronaviru v\u0161ak m\u00e1 i ur\u010dit\u00e9 pozitivn\u00ed dopady, jak si uk\u00e1\u017eeme v tomto \u010dl\u00e1nku na zaj\u00edmav\u00fdch fotografi\u00edch od NASA a ESA. A\u010dkoliv se tedy samoz\u0159ejm\u011b nejedn\u00e1 o \u017e\u00e1douc\u00ed zp\u016fsob sni\u017eov\u00e1n\u00ed emis\u00ed, p\u0159esto lze na tomto p\u0159\u00edkladu dob\u0159e ilustrovat, co a jak kvalitu ovzdu\u0161\u00ed ovliv\u0148uje.<\/strong><\/em><\/p>\n<p>\u0160\u00ed\u0159en\u00ed epidemie koronaviru v \u010c\u00edn\u011b vedlo k mnoh\u00fdm opat\u0159en\u00edm, kter\u00e9 zahrnuj\u00ed zastaven\u00ed v\u00fdroby v \u0159ad\u011b provozoven a tov\u00e1ren, ale i v\u00fdrazn\u00e9 a\u017e \u00fapln\u00e9 omezen\u00ed dopravn\u00ed infrastruktury. \u0158ada t\u011bchto omezen\u00ed omezuje v\u00fdznamn\u00e9 zdroje zne\u010di\u0161\u0165ov\u00e1n\u00ed ovzdu\u0161\u00ed. Americk\u00e1 vesm\u00edrn\u00e1 agentura (NASA) a Evropsk\u00e1 vesm\u00edrn\u00e1 agentury (ESA) nyn\u00ed zve\u0159ejnily satelitn\u00ed sn\u00edmky \u010c\u00edny, na kter\u00fdch je vid\u011bt dramatick\u00fd pokles koncentrac\u00ed oxidu dusi\u010dit\u00e9ho nad \u010c\u00ednou. Pr\u00e1v\u011b NO<sub>2<\/sub> je l\u00e1tkou produkovanou spalov\u00e1n\u00edm fosiln\u00edch paliv, ve velk\u00e9 m\u00ed\u0159e dopravou, ale i v \u0159ad\u011b pr\u016fmyslov\u00fdch podnik\u016f. Nelze s jistotou \u0159\u00edci, zda je pokles spojen v\u00fdhradn\u011b v d\u016fsledku opat\u0159en\u00ed proti \u0161\u00ed\u0159en\u00ed koronaviru, z velk\u00e9 m\u00edry na tom ale tato opat\u0159en\u00ed vliv ur\u010dit\u011b maj\u00ed.<\/p>\n<p>N\u00e1sleduj\u00edc\u00ed dv\u011b mapy ukazuj\u00ed koncentrace oxidu dusi\u010dit\u00e9ho (NO<sub>2<\/sub>). Prvn\u00ed mapa (nalevo) ukazuje souhrn za obdob\u00ed 1. a\u017e 20. ledna (v obdob\u00ed p\u0159ed karant\u00e9nou) a napravo z obdob\u00ed od 10. do 25. \u00fanora (obdob\u00ed prob\u00edhaj\u00edc\u00ed karant\u00e9ny). Sn\u00edmek poch\u00e1z\u00ed z dru\u017eice Sentinel-5 Evropsk\u00e9 vesm\u00edrn\u00e9 agentury.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/03\/china_trop_2020056.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-3208\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/03\/china_trop_2020056.png\" alt=\"\" width=\"720\" height=\"545\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/china_trop_2020056.png 720w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/china_trop_2020056-300x227.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>D\u016fkazem o p\u0159\u00ed\u010din\u011b poklesu je i to, \u017ee odborn\u00edci z NASA pouk\u00e1zali na fakt, \u017ee k poklesu doch\u00e1zelo postupn\u011b, nejprve v oblasti \u010d\u00ednsk\u00e9ho Wuhanu, epicentra n\u00e1kazy, odkud se virus \u0161\u00ed\u0159il d\u00e1le. Fei Liu, v\u00fdzkumn\u00e1 pracovnice specializuj\u00edc\u00ed se na kvalitu ovzdu\u0161\u00ed z NASA, potvrdila, \u017ee se jedn\u00e1 o prvn\u00ed p\u0159\u00edpad tak dramatick\u00e9ho poklesu v tak velk\u00e9 oblasti v d\u016fsledku konkr\u00e9tn\u00ed ud\u00e1losti, s jak\u00fdm se kdy setkala. Vzpomn\u011bla tak\u00e9 na ur\u010dit\u00fd pokles v roce 2008 spojen\u00fd s glob\u00e1ln\u00ed ekonomickou kriz\u00ed, ten v\u0161ak byl velmi postupn\u00fd a ne tak dramatick\u00fd.<\/p>\n<p>Dal\u0161\u00ed mapa zobrazuje dv\u011b sady t\u0159\u00ed dvout\u00fddenn\u00edch obdob\u00ed. Jedno na za\u010d\u00e1tku roku 2019, druh\u00e9 na za\u010d\u00e1tku roku 2020. \u010c\u00ednsk\u00fd Nov\u00fd rok se slav\u00ed v r\u016fzn\u00e9 dny, v roce 2019 to bylo 5. \u00fanora, v roce 2020 ji\u017e 25. ledna. Obecn\u011b plat\u00ed, \u017ee p\u0159ed koncem roku n\u011bkter\u00e9 podniky a tov\u00e1rny zav\u00edraj\u00ed v r\u00e1mci oslav bl\u00ed\u017e\u00edc\u00edho se nov\u00e9ho roku. Po ukon\u010den\u00ed oslav pak koncentrace v\u00fdrazn\u011b nar\u016fstaj\u00ed. Ob\u011b srovn\u00e1n\u00ed ukazuj\u00ed v\u00fdznamn\u00fd n\u00e1r\u016fst koncentrac\u00ed NO<sub>2<\/sub> v dob\u011b Nov\u00e9ho roku v roce 2019 a naopak kompletn\u00ed absenci n\u00e1r\u016fstu a velmi dobr\u00fd stav ovzdu\u0161\u00ed v roce 2020 po v\u0161echny t\u0159i dvout\u00fddenn\u00ed periody.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/03\/wuhan_trop_2020056.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-3209\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/03\/wuhan_trop_2020056.png\" alt=\"\" width=\"720\" height=\"595\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/wuhan_trop_2020056.png 720w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/wuhan_trop_2020056-300x248.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/a><\/p>\n<p>Hlavn\u00edm zdrojem NO<sub>2<\/sub> v \u010cesk\u00e9 republice je pr\u00e1v\u011b doprava, v p\u0159\u00edpad\u011b jej\u00edho v\u00fdrazn\u00e9ho omezen\u00ed by se tedy rovn\u011b\u017e dal o\u010dek\u00e1vat v\u00fdznamn\u00fd pokles koncentrac\u00ed NO<sub>2<\/sub>. Naopak v p\u0159\u00edpad\u011b suspendovan\u00fdch (prachov\u00fdch) \u010d\u00e1stic je hlavn\u00edm zdrojem lok\u00e1ln\u00ed vyt\u00e1p\u011bn\u00ed dom\u00e1cnost\u00ed, kter\u00e9 v p\u0159\u00edpad\u011b del\u0161\u00edho pobytu lid\u00ed v dom\u00e1cnosti m\u016f\u017ee b\u00fdt naopak intenzivn\u011bj\u0161\u00ed. Konkr\u00e9tn\u00ed trend pro konkr\u00e9tn\u00ed zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tku tedy bude v\u017edy z\u00e1le\u017eet na pod\u00edlu jednotliv\u00fdch zdroj\u016f v dan\u00e9 lokalit\u011b.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O koronaviru se mluv\u00ed t\u00e9m\u011b\u0159 v\u00fdhradn\u011b v negativn\u00edm sv\u011btle, co\u017e je samoz\u0159ejm\u011b pochopiteln\u00e9. \u0160\u00ed\u0159en\u00ed epidemie koronaviru v\u0161ak m\u00e1 i ur\u010dit\u00e9 pozitivn\u00ed dopady, jak si uk\u00e1\u017eeme v tomto \u010dl\u00e1nku na zaj\u00edmav\u00fdch fotografi\u00edch od NASA a ESA. A\u010dkoliv se tedy samoz\u0159ejm\u011b nejedn\u00e1 o \u017e\u00e1douc\u00ed zp\u016fsob sni\u017eov\u00e1n\u00ed emis\u00ed, p\u0159esto lze na tomto p\u0159\u00edkladu dob\u0159e ilustrovat, co a jak [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3208,"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":[],"coauthors":[19],"class_list":["post-3203","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ovzdusi","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/china_trop_2020056.png","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-PF","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3203","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=3203"}],"version-history":[{"count":3,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3203\/revisions"}],"predecessor-version":[{"id":3212,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3203\/revisions\/3212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/3208"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=3203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=3203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=3203"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=3203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}