{"id":38406,"date":"2025-01-15T17:00:00","date_gmt":"2025-01-15T16:00:00","guid":{"rendered":"https:\/\/deepseareporter.dev.phosdev.se\/?p=38406"},"modified":"2025-02-26T11:55:08","modified_gmt":"2025-02-26T10:55:08","slug":"tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2","status":"publish","type":"post","link":"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/","title":{"rendered":"Tjugotal marina skyddsomr\u00e5den drabbade av Nord Stream-l\u00e4ckan"},"content":{"rendered":"\n<p><strong>Metan fr\u00e5n den exploderade Nord Stream-ledningen har spridit sig till stora delar av s\u00f6dra \u00d6stersj\u00f6n. <a href=\"https:\/\/www.nature.com\/articles\/s41467-024-53779-0\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">\u00d6ver 20 marina skyddsomr\u00e5den \u00e4r drabbade.<\/a> Det visar en ny studie.<\/strong><\/p>\n\n\n\n<p><strong>\u2013 Hur l\u00e4nge metanet stannade i havet och hur l\u00e5ngt det kunde sprida sig var ganska sl\u00e5ende f\u00f6r mig, s\u00e4ger Bastien Queste, docent i oceanografi och medf\u00f6rfattare till studien.&nbsp;<\/strong><\/p>\n\n\n\n<p>Det var i september 2022 som gasledningen Nord Stream exploderade p\u00e5 \u00d6stersj\u00f6ns botten, \u00f6ster om Bornholm. Metangasen som l\u00e4ckte ut orsakade f\u00f6rh\u00f6jda halter av metan i atmosf\u00e4ren. Men nu visar en <a href=\"https:\/\/www.nature.com\/articles\/s41467-024-53779-0\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ny studie<\/a> publicerad i den vetenskapliga tidskriften Nature Communications att gasen \u00e4ven spred sig i stora delar av vattnet i s\u00f6dra \u00d6stersj\u00f6n och stannade d\u00e4r i flera m\u00e5nader.\u00a0<\/p>\n\n\n\n<p>\u2013 Jag f\u00f6rv\u00e4ntade mig att mycket av metanet skulle ha anv\u00e4nts upp av bakterier och ta sig upp i atmosf\u00e4ren. Men n\u00e4r vi kom tillbaka till platsen f\u00f6r l\u00e4ckan mycket senare s\u00e5g vi fortfarande v\u00e4ldigt h\u00f6ga koncentrationer, vilket var ganska f\u00f6rv\u00e5nande, s\u00e4ger Bastien Queste.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-undervattensrobot-gav-svar\"><strong>Undervattensrobot gav svar<\/strong><\/h2>\n\n\n\n<p>Studien var ett samarbete mellan G\u00f6teborgs universitet och forskningsstiftelsen Voice of the Ocean (VOTO). F\u00f6r att f\u00e5 en detaljerad bild av hur gasen spridits anv\u00e4nde de en undervattensrobot, en s\u00e5 kallad glider, som kunde m\u00e4ta metanhalterna fr\u00e5n ytan till djupen.&nbsp;<\/p>\n\n\n\n<p>\u2013 Gliders \u00e4r bra f\u00f6r den h\u00e4r typen av studie. De kan simma vilket g\u00f6r att vi kan skicka dem dit vi vill, s\u00e4ger Bastien Queste.&nbsp;<\/p>\n\n\n\n<p>Kartl\u00e4ggningen visade sig att metanhalten var upp till 1000 g\u00e5nger \u00f6ver det normala strax efter explosionen i r\u00f6rledningen. Men i vissa omr\u00e5den uppm\u00e4ttes onormalt h\u00f6ga koncentrationer flera m\u00e5nader efter\u00e5t.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"664\" src=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1-1280x664.jpg\" alt=\"\" class=\"wp-image-38409\" srcset=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1-1280x664.jpg 1280w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1-720x374.jpg 720w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1-768x399.jpg 768w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1-1536x797.jpg 1536w, https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Map_spread-of-Methane-in-Baltic-1.jpg 2000w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">Karta \u00f6ver koncentration och utbredning av metanutsl\u00e4pp. Grafik: Martin Mohrmann\/Voice of the Ocean.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-marina-skyddsomraden-paverkade\"><strong>Marina skyddsomr\u00e5den p\u00e5verkade<\/strong><\/h2>\n\n\n\n<p>Med hj\u00e4lp av m\u00e4tningarna kunde forskarna dessutom skapa en modell \u00f6ver hur metanet spreds i vattnet. Den visade att \u00f6ver 14 procent av hela \u00d6stersj\u00f6n utsatts f\u00f6r metanhalter som var minst fem g\u00e5nger \u00f6ver det normala. Dessutom hade havsstr\u00f6mmar transporterat metanet till 23 marina skyddsomr\u00e5den. Men till skillnad fr\u00e5n oljeutsl\u00e4pp \u00e4r det inte m\u00f6jligt att ta upp det l\u00e4ckta metanet fr\u00e5n havet, menar Bastien Queste.&nbsp;<\/p>\n\n\n\n<p>\u2013 Marina skyddsomr\u00e5den existerar f\u00f6r att de representerar unika eller viktiga aspekter av ekosystemet. S\u00e5 det \u00e4r orov\u00e4ckande n\u00e4r f\u00f6roreningar sprids till dessa omr\u00e5den, men \u00e4ven att inse hur hj\u00e4lpl\u00f6sa vi st\u00e5r inf\u00f6r att hantera dem.&nbsp;<\/p>\n\n\n\n<p>N\u00e4sta steg blir att n\u00e5gon ska unders\u00f6ka huruvida metanl\u00e4ckan kan ha p\u00e5verkat havslevande organismer.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metan fr\u00e5n den exploderade Nord Stream-ledningen har spridit sig till stora delar av s\u00f6dra \u00d6stersj\u00f6n. \u00d6ver 20 marina skyddsomr\u00e5den \u00e4r drabbade. Det visar en ny studie.<\/p>\n<p>\u2013 Hur l\u00e4nge metanet stannade i havet och hur l\u00e5ngt det kunde sprida sig var ganska sl\u00e5ende f\u00f6r mig, s\u00e4ger Bastien Queste, docent i oceanografi och medf\u00f6rfattare till studien.<\/p>\n","protected":false},"author":9,"featured_media":38407,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[244],"tags":[3044,3045,1088,570],"class_list":["post-38406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-klimat-och-miljo","tag-glider-sv","tag-metan-sv","tag-nord-stream-2","tag-ostersjon"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tjugotal marina skyddsomr\u00e5den drabbade av Nord Stream-l\u00e4ckan - Deep Sea Reporter<\/title>\n<meta name=\"description\" content=\"Metan fr\u00e5n den exploderade Nord Stream-ledningen har spridit sig till stora delar av s\u00f6dra \u00d6stersj\u00f6n. \u00d6ver 20 marina skyddsomr\u00e5den \u00e4r drabbade. Det visar en ny studie.\u2013 Hur l\u00e4nge metanet stannade i havet och hur l\u00e5ngt det kunde sprida sig var ganska sl\u00e5ende f\u00f6r mig, s\u00e4ger Bastien Queste, docent i oceanografi och medf\u00f6rfattare till studien.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tjugotal marina skyddsomr\u00e5den drabbade av Nord Stream-l\u00e4ckan - Deep Sea Reporter\" \/>\n<meta property=\"og:description\" content=\"Metan fr\u00e5n den exploderade Nord Stream-ledningen har spridit sig till stora delar av s\u00f6dra \u00d6stersj\u00f6n. \u00d6ver 20 marina skyddsomr\u00e5den \u00e4r drabbade. Det visar en ny studie.\u2013 Hur l\u00e4nge metanet stannade i havet och hur l\u00e5ngt det kunde sprida sig var ganska sl\u00e5ende f\u00f6r mig, s\u00e4ger Bastien Queste, docent i oceanografi och medf\u00f6rfattare till studien.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Deep Sea Reporter\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-15T16:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-26T10:55:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Seaexplorer-Foto-Aleksandra-Mazur-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1700\" \/>\n\t<meta property=\"og:image:height\" content=\"1133\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Lina Mattsson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lina Mattsson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/\"},\"author\":{\"name\":\"Lina Mattsson\",\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/#\/schema\/person\/46a0602a75efb716af032fcc0f653fd5\"},\"headline\":\"Tjugotal marina skyddsomr\u00e5den drabbade av Nord Stream-l\u00e4ckan\",\"datePublished\":\"2025-01-15T16:00:00+00:00\",\"dateModified\":\"2025-02-26T10:55:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/\"},\"wordCount\":475,\"publisher\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/#organization\"},\"image\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Seaexplorer-Foto-Aleksandra-Mazur-1.jpg\",\"keywords\":[\"Glider\",\"Metan\",\"Nord Stream\",\"\u00d6stersj\u00f6n\"],\"articleSection\":[\"Klimat och Milj\u00f6\"],\"inLanguage\":\"sv-SE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/\",\"url\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/\",\"name\":\"Tjugotal marina skyddsomr\u00e5den drabbade av Nord Stream-l\u00e4ckan - Deep Sea Reporter\",\"isPartOf\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/deepseareporter.dev.phosdev.se\/sv\/tjugotal-marina-skyddsomraden-drabbade-av-nord-stream-lackan-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/deepseareporter.dev.phosdev.se\/wp-content\/uploads\/2025\/01\/Seaexplorer-Foto-Aleksandra-Mazur-1.jpg\",\"datePublished\":\"2025-01-15T16:00:00+00:00\",\"dateModified\":\"2025-02-26T10:55:08+00:00\",\"description\":\"Metan fr\u00e5n den exploderade Nord Stream-ledningen har spridit sig till stora delar av s\u00f6dra \u00d6stersj\u00f6n. \u00d6ver 20 marina skyddsomr\u00e5den \u00e4r drabbade. 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