{"id":69349,"date":"2021-08-31T21:23:00","date_gmt":"2021-08-31T18:23:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=69349"},"modified":"2021-08-31T18:25:39","modified_gmt":"2021-08-31T15:25:39","slug":"jo-hatassal-van-az-ozonretegre-a-cfc-gazok-betiltasa","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=69349&lang=hu","title":{"rendered":"J\u00f3 hat\u00e1ssal van az \u00f3zonr\u00e9tegre a CFC-g\u00e1zok betilt\u00e1sa"},"content":{"rendered":"\n

Brit, amerikai \u00e9s \u00faj-z\u00e9landi kutat\u00f3k meg\u00e1llap\u00edt\u00e1sa szerint az emberis\u00e9g id\u0151t nyert mag\u00e1nak az \u00f3zonr\u00e9teget puszt\u00edt\u00f3 g\u00e1zok (CFC-k) haszn\u00e1lat\u00e1nak betilt\u00e1s\u00e1val, ugyanis ezek a kemik\u00e1li\u00e1k plusz 2,5 Celsius-fokkal n\u00f6velt\u00e9k volna a glob\u00e1lis \u00e1tlagh\u0151m\u00e9rs\u00e9kletet a sz\u00e1zad v\u00e9g\u00e9ig.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

A glob\u00e1lis \u00e1tlagh\u0151m\u00e9rs\u00e9klet m\u00e1r most nagyj\u00e1b\u00f3l 1,1-1,2 Celsius-fokkal meghaladja az iparosod\u00e1s el\u0151tti szintet, ami azt jelenti, hogy ha \u2013 a kor\u00e1bban egyebek k\u00f6z\u00f6tt h\u0171t\u0151k\u00f6zegk\u00e9nt haszn\u00e1lt \u2013 CFC-k m\u00e9g mindig haszn\u00e1latban lenn\u00e9nek, akkor 2100-ra 3,5 Celsius-fok lenne a meleged\u00e9s, ami j\u00f3csk\u00e1n meghaladn\u00e1 a p\u00e1rizsi kl\u00edmaegyezm\u00e9nyben meghat\u00e1rozott 1,5 Celsius-fokos korl\u00e1tot.<\/p>\n\n\n\n

A Nature c\u00edm\u0171 tudom\u00e1nyos foly\u00f3iratban publik\u00e1lt tanulm\u00e1ny k\u00e9sz\u00edt\u0151i szimul\u00e1ci\u00f3s modelljeikben 1987-t\u0151l \u2013 az \u00f3zonr\u00e9teget k\u00e1ros\u00edt\u00f3 anyagok haszn\u00e1lat\u00e1nak radik\u00e1lis cs\u00f6kkent\u00e9s\u00e9t el\u0151\u00edr\u00f3 montreali jegyz\u0151k\u00f6nyv l\u00e9trehoz\u00e1s\u00e1t\u00f3l \u2013 kezd\u0151d\u0151en a CFC-k haszn\u00e1lat\u00e1nak \u00e9vi 3 sz\u00e1zal\u00e9kos n\u00f6veked\u00e9s\u00e9vel sz\u00e1moltak.<\/p>\n\n\n\n

Meg\u00e1llap\u00edtott\u00e1k, hogy az \u00f3zonr\u00e9teg folyamatos v\u00e9konyod\u00e1sa jelent\u0151sen cs\u00f6kkentette volna a F\u00f6ld azon k\u00e9pess\u00e9g\u00e9t, hogy elnyelje a l\u00e9gk\u00f6ri sz\u00e9n-dioxidot.<\/p>\n\n\n\n

A CFC-g\u00e1zok betilt\u00e1sa n\u00e9lk\u00fcl 580 milli\u00e1rd tonn\u00e1val kevesebb sz\u00e9n-dioxidot k\u00f6tn\u00e9nek le az erd\u0151k, a n\u00f6v\u00e9nyzet \u00e9s a talaj 2100-ra.<\/p>\n\n\n\n

Emellett a l\u00e9gk\u00f6ri sz\u00e9n-dioxid-koncentr\u00e1ci\u00f3 165-215 ppm-mel lenne magasabb a jelenlegi 420 ppm-n\u00e9l. Ez a sz\u00e9n-dioxid-t\u00f6bblet pedig 0,8 Celsius-fokkal n\u00f6veln\u00e9 a glob\u00e1lis meleged\u00e9st.<\/p>\n\n\n\n

Az \u00f3zonk\u00e1ros\u00edt\u00e1s mellett a CFC-k er\u0151s \u00fcvegh\u00e1zhat\u00e1s\u00fa g\u00e1zok is egyben. Amennyiben a haszn\u00e1latuk ellen\u0151rizetlen\u00fcl folytat\u00f3dott volna, akkor a sz\u00e1zad v\u00e9g\u00e9re tov\u00e1bbi 1,7 Celsius-fokkal n\u00f6velt\u00e9k volna a glob\u00e1lis felmeleged\u00e9st, vagyis a puszta haszn\u00e1latuk \u00f6sszess\u00e9g\u00e9ben 2,5 Celsius-fok extra emelked\u00e9st eredm\u00e9nyezett volna.<\/p>\n\n\n\n

(MTI\/hirado.hu<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"

Brit, amerikai \u00e9s \u00faj-z\u00e9landi kutat\u00f3k meg\u00e1llap\u00edt\u00e1sa szerint az emberis\u00e9g id\u0151t nyert mag\u00e1nak az \u00f3zonr\u00e9teget puszt\u00edt\u00f3 g\u00e1zok (CFC-k) haszn\u00e1lat\u00e1nak betilt\u00e1s\u00e1val, ugyanis ezek a kemik\u00e1li\u00e1k plusz 2,5 Celsius-fokkal n\u00f6velt\u00e9k volna a glob\u00e1lis \u00e1tlagh\u0151m\u00e9rs\u00e9kletet a sz\u00e1zad v\u00e9g\u00e9ig.<\/p>\n","protected":false},"author":5,"featured_media":13067,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598,39],"tags":[4596],"class_list":["post-69349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","category-vilag","tag-ozonlyuk"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/69349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=69349"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/69349\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/13067"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=69349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=69349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=69349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}