{"id":16220,"date":"2014-09-12T20:17:05","date_gmt":"2014-09-12T17:17:05","guid":{"rendered":"http:\/\/www.teknoloji-haber.net\/?p=16220"},"modified":"2014-09-12T08:21:04","modified_gmt":"2014-09-12T05:21:04","slug":"ozon-tabakasindaki-deligin-buyumesi-durdu","status":"publish","type":"post","link":"https:\/\/www.teknoloji-haber.net\/uzay-bilim\/ozon-tabakasindaki-deligin-buyumesi-durdu.html","title":{"rendered":"Ozon tabakas\u0131ndaki deli\u011fin b\u00fcy\u00fcmesi durdu"},"content":{"rendered":"
Ozon tabakas\u0131 “kal\u0131nla\u015f\u0131yor”<\/strong><\/p>\n D\u00fcnyay\u0131 kansere neden olan zararl\u0131 g\u00fcne\u015f \u0131\u015f\u0131nlar\u0131ndan koruyan ozon tabakas\u0131n\u0131n tekrar kal\u0131nla\u015fmaya ba\u015flad\u0131\u011f\u0131 belirtildi.<\/p>\n Birle\u015fmi\u015f Milletler’in (BM) y\u00fcr\u00fctt\u00fc\u011f\u00fc ara\u015ft\u0131rma sonucunda y\u0131llard\u0131r d\u00fcnyada artan karbondiyoksit ve zararl\u0131 kimyasal sal\u0131m\u0131 y\u00fcz\u00fcnden incelen ve \u00fczerinde yer yer y\u0131rt\u0131klar olu\u015fan ozon tabakas\u0131nda ‘kal\u0131nla\u015fman\u0131n ilk a\u015famalar\u0131n\u0131n’ g\u00f6r\u00fcld\u00fc\u011f\u00fc ifade edildi.<\/p>\n Antartika \u00fczerinde olu\u015fan ozon tabakas\u0131 y\u0131rt\u0131\u011f\u0131n\u0131n da geni\u015flemesinin durdu\u011fu ifade ediliyor.<\/p>\n Ancak y\u0131rt\u0131\u011f\u0131n tekrar kapanmaya ba\u015flamas\u0131n\u0131n ‘on y\u0131llar’ alabilece\u011fi de vurgulan\u0131yor.<\/p>\n Bilim insanlar\u0131 iyile\u015fmenin neredeyse tamam\u0131yla son y\u0131llarda artan \u00e7evre dostu politikalara ba\u011fl\u0131 oldu\u011fu g\u00f6r\u00fc\u015f\u00fcnde.<\/p>\n \u00dclkelerin sera gaz\u0131 ve kimyasal sal\u0131m\u0131n\u0131 azaltmak i\u00e7in uygulamaya ba\u015flad\u0131\u011f\u0131 kararl\u0131 politikalar\u0131n meyvelerini vermeye ba\u015flad\u0131\u011f\u0131 ifade ediliyor.<\/p>\n ‘Ba\u015far\u0131 hikayesi’<\/strong><\/p>\n BM’ye ba\u011fl\u0131 D\u00fcnya Meteoroloji Organizasyonu (WMO) Ba\u015fkan\u0131 Michel Jarraud, “Bu b\u00fcy\u00fck bir ba\u015far\u0131 hikayesi. \u00c7evreye duyarl\u0131 politikalara ayn\u0131 \u015fekilde devam etmemiz gerekti\u011fini g\u00f6steriyor” dedi.<\/p>\n ABD uzay ara\u015ft\u0131rmalar\u0131 merkezi NASA’dan Ken Jucks ise BBC’nin sorular\u0131n\u0131 yan\u0131tlarken “\u0130nsano\u011flu sonunda do\u011fru olan\u0131 yapmaya ba\u015flad\u0131. Atmosferi Sanayi Devrimi’nden \u00f6nceki haline d\u00f6nd\u00fcrmek i\u00e7in ilk ad\u0131m\u0131 att\u0131\u011f\u0131m\u0131z g\u00f6r\u00fcyoruz” dedi.<\/p>\n Bilim insanlar\u0131 ozon tabakas\u0131 y\u0131rt\u0131\u011f\u0131n\u0131n tamamen kapat\u0131l\u0131p kapat\u0131lamayaca\u011f\u0131 konusunda emin olmasa da \u0130ngiltere Antartika Ara\u015ft\u0131rmalar\u0131 merkezinden David Vaughan \u00f6n\u00fcm\u00fczdeki y\u0131llarda yap\u0131lacak testlerin bu soruya yan\u0131t arayaca\u011f\u0131n\u0131 belirtti.<\/p>\n Vaughan, “Temkinli olmal\u0131y\u0131z. Ancak a\u00e7\u0131klanan son rapor \u00e7ok ama \u00e7ok iyi bir haber. Uluslararas\u0131 politikalar\u0131n g\u00fcc\u00fcn\u00fc g\u00f6r\u00fcyorsunuz” dedi.
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