{"id":2244517,"date":"2026-11-08T03:00:25","date_gmt":"2026-11-08T00:00:25","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=2244517"},"modified":"2026-11-08T03:00:25","modified_gmt":"2026-11-08T00:00:25","slug":"gaura-din-stratul-de-ozon-de-deasupra-antarcticii-a-ajuns-mai-mare-decat-teritoriul-sua-cat-ar-putea-dura","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=2244517","title":{"rendered":"Gaura din stratul de ozon de deasupra Antarcticii a ajuns mai mare dec\u00e2t teritoriul SUA. C\u00e2t ar putea dura&#8230;"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-7\/747eaec9-f0e2-4efe-a84c-fcb965c1b864\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;]<\/p>\n<article class=\"svelte-x63bga\">\n<nav>\n<ul class=\"breadcrump svelte-1pk9a69\">\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/\" title=\"Adev\u0103rul\" class=\"svelte-1pk9a69\">Home<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\" class=\"svelte-1pk9a69\">Stil de via\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\" class=\"svelte-1pk9a69\">\u0218tiin\u021b\u0103<\/a><\/li>\n<li class=\"svelte-1pk9a69\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/gaura-din-stratul-de-ozon-de-deasupra-antarcticii-2569706.html\" class=\"svelte-1pk9a69\">Gaura din stratul de ozon de deasupra Antarcticii a ajuns mai mare dec\u00e2t teritoriul SUA. C\u00e2t ar putea dura refacerea<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><main class=\"svelte-x63bga\"><\/p>\n<p>Gaura din stratul de ozon de deasupra Antarcticii a atins \u00een 2026 cea mai mare \u00eentindere din ultimul deceniu, pe fondul unui vortex polar neobi\u0219nuit de puternic.<\/p>\n<div class=\"container-image  svelte-1xbw4f3\"><source type=\"image\/webp\" srcset=\"https:\/\/cdn.adh.reperio.news\/image-7\/747eaec9-f0e2-4efe-a84c-fcb965c1b864\/index.jpeg?p=a%3D1%26co%3D1.05%26w%3D1400%26h%3D750%26r%3Dcontain%26f%3Dwebp 1400w\" media=\"(min-width: 1400px)\" \/><\/p>\n<div class=\"caption svelte-1xbw4f3\"><span class=\"captionText svelte-1xbw4f3\"><span class=\"source svelte-1xbw4f3\">Foto: Arhiva Adev\u0103rul<\/span><\/span><\/div>\n<\/div>\n<p> Suprafa\u021ba maxim\u0103, de 27,1 milioane de kilometri p\u0103tra\u021bi, a fost \u00eenregistrat\u0103 pe 18 septembrie, relateaz\u0103 <a href=\"https:\/\/www.dailymail.com\/sciencetech\/article-16271257\/ozone-hole-largest-DECADE-Antarctica.html\" rel=\"nofollow\">Daily Mail<\/a>, cit\u00e2nd cercet\u0103tori de la NASA \u0219i NOAA.<\/p>\n<p>Este a \u0219aptea cea mai mare gaur\u0103 de ozon din cei 48 de ani de m\u0103sur\u0103tori, potrivit publica\u021biei. La apogeu, a ajuns la aproximativ 90% din suprafa\u021ba record observat\u0103 pe 9 septembrie 2000.<\/p>\n<p>Pentru o compara\u021bie, suprafa\u021ba afectat\u0103 dep\u0103\u0219e\u0219te de peste dou\u0103 ori teritoriul Statelor Unite.<\/p>\n<p>Dimensiunile din acest an nu \u00eenseamn\u0103 \u00eens\u0103 c\u0103 refacerea stratului de ozon s-a oprit. Paul Newman, cercet\u0103tor la University of Maryland \u0219i coordonator al echipei NASA care studiaz\u0103 ozonul, explic\u0103 faptul c\u0103, \u00een ultimii ani, gaura sezonier\u0103 a \u00eenceput s\u0103 se formeze mai t\u00e2rziu, un semn al refacerii. \u00cen acest sezon, vortexul polar neobi\u0219nuit de puternic a prelungit \u00eens\u0103 procesul de distrugere a ozonului deasupra Antarcticii.<\/p>\n<p>Amy Butler, cercet\u0103toare la laboratorul de \u0219tiin\u021be chimice al NOAA, spune c\u0103 sistemele meteorologice la scar\u0103 planetar\u0103 care se propag\u0103 de obicei din atmosfera inferioar\u0103 \u0219i perturb\u0103 vortexul au fost deosebit de slabe \u00een august \u0219i septembrie. Astfel, v\u00e2nturile cele mai puternice ale vortexului s-au men\u021binut mai departe de Polul Sud, extinz\u00e2nd zona \u00een care condi\u021biile favorizeaz\u0103 distrugerea ozonului.<\/p>\n<p>Varia\u021biile de la un an la altul trebuie privite separat de tendin\u021ba pe termen lung. \u00centr-un articol publicat \u00een septembrie 2025 de <a href=\"https:\/\/www.scientificamerican.com\/article\/ozone-layer-recovery-continues-under-montreal-protocol\/\" rel=\"nofollow\">Scientific American<\/a>, chimistul atmosferic A. R. Ravishankara, de la Colorado State University, explica faptul c\u0103, pe drumul spre refacere, sunt de a\u0219teptat at\u00e2t ani mai buni, c\u00e2t \u0219i ani mai slabi. Un singur an nu stabile\u0219te o tendin\u021b\u0103, sublinia cercet\u0103torul.<\/p>\n<p>Ozonul este format din molecule cu trei atomi de oxigen. Stratul de ozon din stratosfer\u0103, situat la altitudini de aproximativ 11 p\u00e2n\u0103 la 40 de kilometri, protejeaz\u0103 via\u021ba de pe P\u0103m\u00e2nt de radia\u021biile ultraviolete periculoase, explic\u0103 Focus. El este afectat de compu\u0219i produ\u0219i de om care con\u021bin clor \u0219i brom. Transporta\u021bi de curen\u021bii de aer \u00een stratosfer\u0103, ace\u0219tia sunt descompu\u0219i de radia\u021biile ultraviolete, iar atomii elibera\u021bi particip\u0103, \u00een interac\u021biune cu particulele din nori, la distrugerea ozonului.<\/p>\n<p>Printre substan\u021bele implicate se num\u0103r\u0103 clorofluorocarburile (CFC), folosite c\u00e2ndva pe scar\u0103 larg\u0103 \u00een frigidere, aparate de aer condi\u021bionat \u0219i materiale izolatoare pentru cl\u0103diri. Protocolul de la Montreal, convenit \u00een 1987, a dus la eliminarea treptat\u0103 a CFC, iar ulterior au ap\u0103rut primele semne de refacere a stratului de ozon de deasupra Antarcticii.<\/p>\n<p>Newman estimeaz\u0103 c\u0103 gaura de ozon din 2026 ar fi putut fi cu aproximativ 3,5 milioane de kilometri p\u0103tra\u021bi mai mare dac\u0103 substan\u021bele care distrug ozonul ar fi r\u0103mas \u00een atmosfer\u0103 la nivelul maxim atins \u00een anul 2000.<\/p>\n<h2>C\u00e2t ar putea dura refacerea stratului de ozon<\/h2>\n<p>Refacerea nu este a\u0219teptat\u0103 \u00een acela\u0219i ritm peste tot. <a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/raport-onu-stratul-de-ozon-se-vindeca-si-va-2233524.html\">Adev\u0103rul relata \u00een ianuarie 2023<\/a>, pe baza unei evalu\u0103ri ONU prezentate de The Guardian, c\u0103 stratul de ozon s-ar putea reface p\u00e2n\u0103 \u00een 2040 \u00een afara regiunilor polare, p\u00e2n\u0103 \u00een 2045 deasupra Arcticii \u0219i p\u00e2n\u0103 \u00een 2066 deasupra Antarcticii. Scientific American prezenta acelea\u0219i repere \u00een septembrie 2025, preciz\u00e2nd c\u0103 este vorba despre revenirea la nivelurile din 1980.<\/p>\n<p>Evaluarea ONU citat\u0103 de Adev\u0103rul ar\u0103ta c\u0103 acordul interna\u021bional a contribuit la eliminarea a 99% din substan\u021bele chimice care distrug stratul de ozon. Efectele lor nu dispar \u00eens\u0103 imediat: David Fahey, expert la NOAA \u0219i autor principal al evalu\u0103rii, avertiza c\u0103 aceste substan\u021be pot r\u0103m\u00e2ne \u00een atmosfer\u0103 aproximativ un secol.<\/p>\n<p><\/main><\/p>\n<footer class=\"svelte-x63bga\">\n<div class=\"footerShare svelte-x63bga\">\n<div class=\"_hydratable\" data-props=\"%7B%22showLive%22%3Atrue%7D\" data-context=\"%7B%22parentBlockColumnCount%22%3A%7B%22value%22%3A0%2C%22type%22%3A%22store%2Freadable%22%7D%2C%22parentBlockBackgroundColor%22%3A%7B%22type%22%3A%22store%2Freadable%22%7D%7D\" data-component=\"ShareButton\">\n<div class=\"shareButtons svelte-itwbrr\">\n<div class=\"liveSessions metaFont svelte-1maxmbf\"><span class=\"value svelte-1maxmbf\">1<\/span> live <\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><a class=\"whatsappChannel metaFont svelte-fbt7l7\" href=\"https:\/\/whatsapp.com\/channel\/0029VaD2OGk9mrGhd0APdy1O\" target=\"_blank\" rel=\"noopener noreferrer\" data-gtrack=\"{&quot;event&quot;:&quot;whatsapp_channel_follow_click&quot;,&quot;data&quot;:{}}\"><\/p>\n<div class=\"copy svelte-fbt7l7\"><strong class=\"svelte-fbt7l7\">Adev\u0103rul, direct pe WhatsApp<\/strong><\/p>\n<p class=\"svelte-fbt7l7\">Urm\u0103re\u0219te canalul nostru \u0219i r\u0103m\u00e2i la curent cu \u0219tirile.<\/p>\n<\/div>\n<p><span class=\"channelButton svelte-fbt7l7\"><span>Urm\u0103re\u0219te canalul<\/span><\/span><\/a><\/p>\n<div class=\"related-wrap related-footer svelte-78g0vl\"><span class=\"related-label svelte-78g0vl\">Cite\u0219te \u0219i<\/span><a class=\"related svelte-78g0vl\" data-gtrack=\"{&quot;event&quot;:&quot;utm_click&quot;,&quot;data&quot;:{&quot;event_category&quot;:&quot;article_related&quot;}}\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/groenlanda-si-antarctica-au-pierdut-trilioane-de-2558031.html\" title=\"Alt articol de interes pentru tine\"><img decoding=\"async\" class=\"thumb svelte-78g0vl\" src=\"https:\/\/cdn.adh.reperio.news\/image-2\/2f40a82a-7f6e-426d-bade-97cc9893c7dd\/index.jpeg?p=f%3Dwebp%26w%3D120%26h%3D80%26r%3Dcover%26a%3D0\" alt loading=\"lazy\" width=\"80\" height=\"54\"><span class=\"title svelte-78g0vl\">Groenlanda \u0219i Antarctica au pierdut trilioane de tone de ghea\u021b\u0103. 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Puii de pinguin sar \u00een ap\u0103 de la 15 metri \u00een\u0103l\u021bime<\/span><\/a><\/div>\n<div class=\"tags svelte-1l3vwp1\"><span class=\"tags-label metaFont svelte-1l3vwp1\">Cite\u0219te mai multe despre<\/span><\/p>\n<div class=\"tags-list svelte-1l3vwp1\"><a href=\"https:\/\/adevarul.ro\/tag\/antarctica\" title=\"Ultimele \u0219tiri despre antarctica\" class=\"tag-pill svelte-1l3vwp1\">antarctica<\/a><a href=\"https:\/\/adevarul.ro\/tag\/vortex%20polar\" title=\"Ultimele \u0219tiri despre vortex polar\" class=\"tag-pill svelte-1l3vwp1\">vortex polar<\/a><a href=\"https:\/\/adevarul.ro\/tag\/stratul%20de%20ozon\" title=\"Ultimele \u0219tiri despre stratul de ozon\" class=\"tag-pill svelte-1l3vwp1\">stratul de ozon<\/a><\/div>\n<\/div>\n<p><a class=\"moreFromCategory svelte-x63bga\" href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\" title=\"\u0218tiin\u021b\u0103\">Mai multe din <strong class=\"svelte-x63bga\">\u0218tiin\u021b\u0103<\/strong> \u203a<\/a><\/footer>\n<\/article>\n<p>[analyse_source url=&#8221;https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/gaura-din-stratul-de-ozon-de-deasupra-antarcticii-2569706.html&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-7\/747eaec9-f0e2-4efe-a84c-fcb965c1b864\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;] Home Stil de via\u021b\u0103 \u0218tiin\u021b\u0103 Gaura din stratul de ozon de deasupra Antarcticii a ajuns mai mare dec\u00e2t teritoriul SUA. C\u00e2t ar putea dura refacerea Gaura din stratul de ozon de deasupra Antarcticii a atins \u00een 2026 cea mai mare \u00eentindere din ultimul deceniu, pe fondul unui vortex polar neobi\u0219nuit de puternic. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[],"class_list":["post-2244517","post","type-post","status-publish","format-standard","hentry","category-romania"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2244517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2244517"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/2244517\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2244517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2244517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2244517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}