{"id":985,"date":"2005-09-09T10:02:00","date_gmt":"2005-09-09T08:02:00","guid":{"rendered":"https:\/\/kids.esa.int\/swollen_ozone_hole_over_south_pole\/"},"modified":"2026-10-08T00:34:32","modified_gmt":"2026-10-07T22:34:32","slug":"swollen_ozone_hole_over_south_pole","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/swollen_ozone_hole_over_south_pole\/","title":{"rendered":"Det ozonh\u00e5let \u00f6ver Sydpolen har vuxit"},"content":{"rendered":"
\n

H\u00f6gt ovanf\u00f6r den isiga kontinenten Antarktis h\u00e5ller ESA:s rymdsond Envisat vakt \u2013 och det som dess instrument registrerar \u00e4r ganska oroande.<\/p>\n<\/div>\n

L\u00e5ga temperaturer och kemikalier som framst\u00e4lls av m\u00e4nniskan samverkar och orsakar ett \u2018h\u00e5l\u2019 i ozonskiktet. Och \u00e5rets ozonh\u00e5l ser ut att bli ett av de st\u00f6rsta som n\u00e5gonsin har registrerats.<\/p>\n

I mitten av augusti 2005 hade den redan vuxit till en yta p\u00e5 10 miljoner kvadratkilometer \u2013 ungef\u00e4r lika stor som Europa. Och man r\u00e4knade med att den skulle v\u00e4xa \u00e4nnu mer under september.<\/p>\n

Ozonh\u00e5let uppt\u00e4cktes f\u00f6rst i mitten av 1980-talet, och ESA:s satelliter har kontinuerligt studerat ozonh\u00e5let sedan 1995. Deras m\u00e4tningar visar att endast ozonh\u00e5len fr\u00e5n 1996 och 2000 var st\u00f6rre vid denna tid p\u00e5 \u00e5ret.<\/p>\n

\"ESA's
ESA:s milj\u00f6satellit Envisat<\/figcaption><\/figure>\n

Ozon \u00e4r en form av syre. Sm\u00e5 m\u00e4ngder ozon f\u00f6rekommer i stratosf\u00e4ren, mellan 20 och 50 km ovanf\u00f6r jorden.<\/p>\n

Lyckligtvis skyddar ozonskiktet oss mot solens ultravioletta str\u00e5lning, som kan orsaka hudcancer. Men kemiska reaktioner d\u00e4r klor som m\u00e4nniskan har producerat ing\u00e5r i h\u00f6ga moln f\u00f6rst\u00f6r ozonet.<\/p>\n

N\u00e4r v\u00e5ren kommer till polaromr\u00e5dena leder kombinationen av \u00e5terkommande solljus och klorreaktioner till att ozonmolekyler bryts ned till syre. En enda klormolekyl kan bryta ned tusentals ozonmolekyler.<\/p>\n

Informationen fr\u00e5n Envisat \u00e4r avg\u00f6rande f\u00f6r att \u00f6vervaka de s\u00e4songsm\u00e4ssiga f\u00f6r\u00e4ndringarna i detta skyddande skikt. Satellitdata matas in i en tj\u00e4nst f\u00f6r ozon\u00f6vervakning och -prognoser i n\u00e4ra realtid, som best\u00e5r av mer \u00e4n 30 samarbetspartner fr\u00e5n 11 l\u00e4nder.<\/p>","protected":false},"excerpt":{"rendered":"

High above the icy continent of Antarctica, ESA\u2019s Envisat spacecraft is keeping watch – and what its instruments see is rather disturbing. Freezing temperatures and man-made chemicals are combining to […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/09\/ozone_forecast_for_9_september2\/17880735-2-eng-GB\/Ozone_forecast_for_9_September.jpg","esa_banner_description":"Ozone forecast for 9 September","esa_banner_credit":"KNMI\/ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/09\/Ozone_forecast_for_9_September2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-985","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=985"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/985\/revisions"}],"predecessor-version":[{"id":4777,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/985\/revisions\/4777"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=985"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=985"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=985"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=985"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=985"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=985"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=985"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}