{"id":74378,"date":"2025-08-18T01:01:27","date_gmt":"2025-08-18T01:01:27","guid":{"rendered":"https:\/\/www.newsbeep.com\/uk\/74378\/"},"modified":"2025-08-18T01:01:27","modified_gmt":"2025-08-18T01:01:27","slug":"arctic-lakes-may-contribute-to-global-warming-more-than-previously-thought","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/uk\/74378\/","title":{"rendered":"Arctic lakes may contribute to global warming more than previously thought"},"content":{"rendered":"<p>\n        Lake near Bug\u00f8ynes, Arctic Norway<br \/>\n        Photo: Elizaveta Vereykina\n    <\/p>\n<p>    As lakes warm up, they release more\u00a0greenhouse gases into the atmosphere.<\/p>\n<p>After studying ten lakes on the Norwegian archipelago Svalbard and northern Scandinavia, researchers from UiT the Arctic University of Norway <a href=\"https:\/\/agupubs.onlinelibrary.wiley.com\/doi\/10.1029\/2024JG008508\" target=\"_blank\" rel=\"nofollow noopener\">concluded<\/a> that even small temperature rise boost the growth of algae and plants around local lakes. This increased vegetation leads to higher methane production in lake sediments (accumulated layers of mud and organic matter).<\/p>\n<p>Meanwhile, methane is over 25 times more potent than carbon dioxide as a greenhouse gas, the iC3 (Centre for Ice, Cryosphere, Carbon and Climate) experts <a href=\"https:\/\/ic3.uit.no\/news\/arctic-lakes-methane \" target=\"_blank\" rel=\"nofollow noopener\">underline<\/a>.\u00a0<\/p>\n<p>Although Arctic lakes are already known to be a major natural source of methane worldwide, the study gives a better understanding of the processes by which methane is produced and released from lake sediments.\u00a0<\/p>\n<p>The study highlights that the greatest amount of methane was produced in lake sediments where there was more algae and the lake was shallower.<\/p>\n<p>\u201cWe were surprised by how clearly the productivity of the ecosystem was linked to methane production,\u201d PhD candidate Marie Bul\u00ednov\u00e1 is <a href=\"https:\/\/ic3.uit.no\/news\/arctic-lakes-methane\" target=\"_blank\" rel=\"nofollow noopener\">quoted<\/a> as saying. &#8211; \u201cOur results show that warmer and wetter conditions increase biological productivity in Arctic lakes, which in turn drives methane emissions from their sediments.\u201d\u00a0<\/p>\n<p>The team also compared their findings with data from over 60 lakes worldwide.\u00a0<\/p>\n<p>The research revealed that, although the amount of methane released by Arctic lakes is generally lower than that released by lakes in warmer regions, it is still significant and highly variable, given the large number of lakes in the north.\u00a0<\/p>\n<p>\u201cOne of the striking aspects of this work is how different Arctic lakes are from each other.\u00a0Some release much more methane than others, depending on local factors like vegetation cover, lake shape, or sediment composition,\u201d &#8211; Marie Bul\u00ednov\u00e1 said.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"Lake near Bug\u00f8ynes, Arctic Norway Photo: Elizaveta Vereykina As lakes warm up, they release more\u00a0greenhouse gases into the&hellip;\n","protected":false},"author":2,"featured_media":74379,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[1397,90,56,54,55],"class_list":["post-74378","post","type-post","status-publish","format-standard","has-post-thumbnail","category-environment","tag-environment","tag-science","tag-uk","tag-united-kingdom","tag-unitedkingdom"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/74378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/comments?post=74378"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/posts\/74378\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media\/74379"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/media?parent=74378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/categories?post=74378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/uk\/wp-json\/wp\/v2\/tags?post=74378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}