{"id":13093,"date":"2021-09-16T17:16:19","date_gmt":"2021-09-16T15:16:19","guid":{"rendered":"https:\/\/www.arnoschrauwers.nl\/weblog\/?p=13093"},"modified":"2021-09-16T17:16:19","modified_gmt":"2021-09-16T15:16:19","slug":"gat-in-de-ozonlaag-groter-dan-antarcitica","status":"publish","type":"post","link":"https:\/\/www.arnoschrauwers.nl\/weblog\/16\/09\/2021\/gat-in-de-ozonlaag-groter-dan-antarcitica\/","title":{"rendered":"Gat in de ozonlaag groter dan Antarcitica"},"content":{"rendered":"
\"Ozongat<\/a>

Het gat op 15 september 2021 (afb: Copernicus)<\/p><\/div>\n

We dachten dat we met het verbod van de drijfgassen, de cfk<\/a>‘s, af waren van het maar groeiende gat in de ozonlaag<\/a>, maar zover is het nog lang niet. Dat gat heeft de neiging boven de Zuidpool te ‘ademen’. Dat wordt groter en kleiner afhankelijk van het seizoen. Het gat is het grootst tussen midden september en midden oktober. Nu zou dat gat groter zijn dan het hele vasteland van Antarctica. Het is nu groter dan 75% van de ‘gaten’ die sedert 1979 zijn gemeten.
\nDat gas was in oktober 2020 zo’n 24 miljoen km2<\/sup> groot. Dat was meer dan in de voorgaande jaren. Dit jaar blijkt dat gat aanzienlijk groter te zijn
\nSinds het verbod van de gechloreerde fluorkoolwaterstoffen (die cfk’s) zijn er tekenen van herstel, maar dat herstel schijnt erg traag te gaan, zo blijkt. De ozonlaag in de hogere atmosfeer beschermt de bewoners op aarde tegen (te veel) gevaarlijke uv-straling.<\/p>\n

Bron: New Scientist<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Het gat in de ozonlaag is nu groter dan driekwart van de gaten gemeten na 1979. Elk jaar is dat gat het grootst tussen half september en half oktober. Lees verder →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,638],"tags":[101,801,7557,6634,2301],"class_list":["post-13093","post","type-post","status-publish","format-standard","hentry","category-milieu","category-natuur","tag-antarctica","tag-cfks","tag-drijfgassen","tag-gat-in-de-ozonlaag","tag-uv-straling"],"yoast_head":"\nGat in de ozonlaag groter dan Antarcitica - Geleerd uitschot<\/title>\n<meta name=\"description\" content=\"Het gat in de ozonlaag is nu groter dan driekwart van de gaten gemeten na 1979. 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