{"id":7574,"date":"2026-03-30T18:34:05","date_gmt":"2026-03-30T18:34:05","guid":{"rendered":"https:\/\/iccinet.org\/?p=7574"},"modified":"2026-03-30T19:10:13","modified_gmt":"2026-03-30T19:10:13","slug":"record-low-2026-arctic-sea-ice-maximum-why-its-essentially-a-tie-with-2025","status":"publish","type":"post","link":"https:\/\/iccinet.org\/sv\/record-low-2026-arctic-sea-ice-maximum-why-its-essentially-a-tie-with-2025\/","title":{"rendered":"Rekordl\u00e5gt arktiskt havsismaximum 2026 \u2013 varf\u00f6r det i princip \u00e4r \u201clika\u201d med 2025"},"content":{"rendered":"<p>NSIDC och NASA:s Earth Observatory, 27 mars 2026<\/p>\n<p>Arktisk havsis har spridit sig till sitt st\u00f6rsta omr\u00e5de eller \u201cmaximala utstr\u00e4ckning\u201d f\u00f6r 2026, som intr\u00e4ffar varje \u00e5r runt v\u00e5rdagj\u00e4mningen (20-21 mars), n\u00e4r solen har \u00e5terv\u00e4nt till hela Norra ishavet och havsisen stoppar sin vintertillv\u00e4xt och b\u00f6rjar sm\u00e4lts\u00e4songen; n\u00e5r sitt lilla omr\u00e5de eller \u201cminimala utstr\u00e4ckning\u201d i september-oktober innan den fryser och sprider sig igen p\u00e5 vintern.<\/p>\n<p>\u00c5rets maximum verkar ha intr\u00e4ffat den 15 mars, d\u00e5 utbredningen n\u00e5dde 14,29 miljoner kvadratkilometer. Detta \u00e4r det minsta maximumet under de 48 \u00e5r som satellitm\u00e4tningar har gjorts, och ligger cirka 20 000 kvadratkilometer under 2025 \u00e5rs rekordl\u00e5ga niv\u00e5. 2025 \u00e5rs havsisutbredning l\u00e5g mestadels l\u00e4gre \u00e4n 2026; dock skedde en liten tillv\u00e4xtspurt f\u00f6rra \u00e5ret strax innan 2025 \u00e5rs maximum n\u00e5ddes en vecka senare \u00e4n 2026 \u00e5rs, runt den 22 mars 2025; och steg strax \u00f6ver niv\u00e5n den 15 mars 2026 (se figur nedan).<\/p>\n<p>Os\u00e4kerhetsmarginalen f\u00f6r dessa satellitdata \u00e4r dock 30 000 kvadratkilometer, s\u00e5 \u00e5rets 20 000 kvadratkilometer l\u00e4gre maximala utbredning ligger inom denna marginal, vilket inneb\u00e4r att National Snow and Ice Data Center (NSIDC) har f\u00f6rklarat 2025 och 2026 statistiskt \u201cbundna\u201d f\u00f6r detta oroande rekordl\u00e5ga v\u00e4rde: \u00e4nnu ett tecken p\u00e5 den v\u00e4xande negativa p\u00e5verkan av v\u00e4xthusgasutsl\u00e4pp p\u00e5 Arktis kryosf\u00e4r.<\/p>\n<p>Som tidigare rapporterats, tillsammans med den rekordl\u00e5ga totala utbredningen, dokumenterade forskare anm\u00e4rkningsv\u00e4rt tunnare arktisk havsis i \u00e5r, s\u00e4rskilt i Barents hav nordost om Gr\u00f6nland. NSIDC observerade ocks\u00e5 att \u00e5rets rekordl\u00e5ga vinterutbredning \u00e4r 1,36 miljoner kvadratkilometer under 1981\u20132010 \u00e5rs genomsnitt, ett omr\u00e5de av havsisf\u00f6rlust motsvarande dubbla storleken av Texas.<\/p>\n<p><strong>NSIDC Interaktiv Graf \u00f6ver Arktisk Havsis<\/strong><\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1219662222\">\n\t\t<a class=\"\" href=\"https:\/\/nsidc.org\/sea-ice-today\/sea-ice-tools\/charctic-interactive-sea-ice-graph\" target=\"_blank\" rel=\"noopener noreferrer\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"803\" src=\"https:\/\/iccinet.org\/wp-content\/uploads\/2026\/03\/arctic-sea-ice-extent-1.jpeg\" class=\"attachment-large size-large\" alt=\"\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1219662222 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n<p><em>Beskrivning<\/em>: Arktiska havsisutbredningen 2026 i ljusbl\u00e5tt; utbredningen 2025 i m\u00f6rkgr\u00f6nt; och 2012 (l\u00e4gsta sommarminimum f\u00f6r arktisk havsis) i r\u00f6da streck. Gr\u00e5a f\u00e4lt indikerar medianutbredning f\u00f6r 1981-2010.<\/p>\n<p><a href=\"https:\/\/nsidc.org\/news-analyses\/news-stories\/arctic-sea-ice-record-low-maximum-strikes-again\">NSIDC Sammanfattning<\/a> | <a href=\"https:\/\/nationaltoday.com\/us\/co\/boulder\/news\/2026\/03\/27\/arctic-winter-sea-ice-matches-record-low-say-nasa-nsidc\/\">Nyhetsbevakning<\/a> | <a href=\"https:\/\/nsidc.org\/sea-ice-today\/sea-ice-tools\/charctic-interactive-sea-ice-graph\">NSIDC Interaktiv Graf \u00f6ver Arktisk Havsis<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>NSIDC and NASA&#8217;s Earth Observatory, 27 March 2026 Arctic sea ice has spread to its greatest area or &#8220;maximum extent&#8221; for 2026, as occurs each year around the spring equinox (March 20-21), when the sun has returned to the entire Arctic Ocean and sea ice stop its winter growth and begins the melt season; reaching [&#8230;]\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[152],"tags":[],"class_list":["post-7574","post","type-post","status-publish","format-standard","hentry","category-cryosphere-capsules"],"modified_by":"Pam Pearson","_links":{"self":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/7574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/comments?post=7574"}],"version-history":[{"count":7,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/7574\/revisions"}],"predecessor-version":[{"id":7591,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/posts\/7574\/revisions\/7591"}],"wp:attachment":[{"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/media?parent=7574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/categories?post=7574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iccinet.org\/sv\/wp-json\/wp\/v2\/tags?post=7574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}