{"id":25953,"date":"2016-07-01T10:03:20","date_gmt":"2016-07-01T08:03:20","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=25953"},"modified":"2016-07-01T10:03:20","modified_gmt":"2016-07-01T08:03:20","slug":"ozonova-dira-se-podle-vedcu-po-letech-zvetsovani-zacina-zacelovat","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=25953","title":{"rendered":"Ozonov\u00e1 d\u00edra se podle v\u011bdc\u016f po letech zv\u011bt\u0161ov\u00e1n\u00ed za\u010d\u00edn\u00e1 zacelovat"},"content":{"rendered":"<p><strong>Ozonov\u00e1 d\u00edra se po letech zv\u011bt\u0161ov\u00e1n\u00ed z\u0159ejm\u011b za\u010d\u00edn\u00e1 zacelovat. Vypl\u00fdv\u00e1 to z v\u00fdzkumu t\u00fdmu p\u0159edn\u00ed odbornice na tuto problematiku Susan Solomonov\u00e9, podle kter\u00e9ho byla d\u00edra loni v z\u00e1\u0159\u00ed oproti roku 2000 men\u0161\u00ed o \u010dty\u0159i miliony kilometr\u016f \u010dtvere\u010dn\u00edch, co\u017e je kup\u0159\u00edkladu v\u00edce ne\u017e rozloha Indie.<\/strong><!--more--><\/p>\n<p> Podle r\u016fzn\u00fdch m\u011b\u0159en\u00ed m\u011bla ozonov\u00e1 d\u00edra v z\u00e1\u0159\u00ed 2000 asi 28 milion\u016f kilometr\u016f, o patn\u00e1ct let pozd\u011bji pak byla men\u0161\u00ed o sedminu. V \u0159\u00edjnu 2015 se sice ozonov\u00e1 d\u00edra zv\u011bt\u0161ila na rekordn\u00ed hodnoty, k tomu ale podle Solomonov\u00e9 v\u00fdznamn\u011b p\u0159isp\u011bly erupce chilsk\u00e9 sopky Calbuco.<\/p>\n<p>V\u011bdci p\u0159edpokl\u00e1daj\u00ed, \u017ee na lo\u0148sk\u00e9m zacelov\u00e1n\u00ed d\u00edry m\u00e1 v\u00edce ne\u017e polovi\u010dn\u00ed pod\u00edl sn\u00ed\u017een\u00ed hodnot atmosf\u00e9rick\u00e9ho chloru, kter\u00fd p\u0159isp\u00edv\u00e1 k rozkladu ozonu. M\u00e9n\u011b chl\u00f3ru v ovzdu\u0161\u00ed je v\u00fdsledkem takzvan\u00e9ho montrealsk\u00e9ho protokolu z roku 1987. V n\u011bm se sv\u011bt dohodl odstoupit od u\u017e\u00edv\u00e1n\u00ed l\u00e1tek, kter\u00e9 vedou k po\u0161kozen\u00ed ozonov\u00e9 vrstvy.<\/p>\n<p>M\u011b\u0159en\u00ed z lo\u0148sk\u00e9ho z\u00e1\u0159\u00ed tak p\u0159ineslo v\u016fbec prvn\u00ed d\u016fkazy o tom, \u017ee situace se za\u010d\u00edn\u00e1 pomalu zlep\u0161ovat. N\u011bkolik studi\u00ed ji\u017e d\u0159\u00edve uk\u00e1zalo na \u00fabytek \u0161kodliv\u00fdch l\u00e1tek, ale pr\u00e1ce Solomonov\u00e9 poprv\u00e9 ukazuje na obnovu ozonov\u00e9 vrstvy.<\/p>\n<p>V\u00fdzkum Solomonov\u00e9 nicm\u00e9n\u011b ost\u0159e kontrastuje s rekordn\u00ed velikost\u00ed ozonov\u00e9 d\u00edry v \u0159\u00edjnu 2015. V\u011bdci jsou ale p\u0159esv\u011bd\u010deni, \u017ee za t\u00edmto zv\u011bt\u0161en\u00edm je sope\u010dn\u00e1 aktivita, kdy se do ovzdu\u0161\u00ed dostalo velk\u00e9 mno\u017estv\u00ed vulkanick\u00e9 s\u00edry. To p\u0159isp\u011blo k tvorb\u011b pol\u00e1rn\u00edch stratosf\u00e9rick\u00fdch oblak\u016f, ve kter\u00fdch pak doch\u00e1z\u00ed k chemick\u00fdm reakc\u00edm, p\u0159i nich\u017e vznik\u00e1 chlor.<\/p>\n<p>Ozonov\u00e1 vrstva chr\u00e1n\u00ed lidi a dal\u0161\u00ed \u017eiv\u00e9 organismy na Zemi p\u0159ed ultrafialov\u00fdm slune\u010dn\u00edm z\u00e1\u0159en\u00edm. Postupn\u00e9 naru\u0161ov\u00e1n\u00ed jej\u00ed tlou\u0161\u0165ky vedlo podle odborn\u00edk\u016f k r\u016fstu rakovinn\u00fdch, ko\u017en\u00edch a o\u010dn\u00edch onemocn\u011bn\u00ed i k dal\u0161\u00edch negativn\u00edm d\u016fsledk\u016fm.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Ozonov\u00e1 d\u00edra se po letech zv\u011bt\u0161ov\u00e1n\u00ed z\u0159ejm\u011b za\u010d\u00edn\u00e1 zacelovat. Vypl\u00fdv\u00e1 to z v\u00fdzkumu t\u00fdmu p\u0159edn\u00ed odbornice na tuto problematiku Susan Solomonov\u00e9, podle kter\u00e9ho byla d\u00edra <a class=\"mh-excerpt-more\" href=\"https:\/\/www.invarena.cz\/?p=25953\" title=\"Ozonov\u00e1 d\u00edra se podle v\u011bdc\u016f po letech zv\u011bt\u0161ov\u00e1n\u00ed za\u010d\u00edn\u00e1 zacelovat\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":22007,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-25953","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spolecnost"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/25953","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25953"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/25953\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/media\/22007"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}