{"id":693,"date":"2018-11-16T00:00:00","date_gmt":"2018-11-15T23:00:00","guid":{"rendered":"https:\/\/site.uit.no\/cage\/2018\/11\/16\/par-jansson-defends-thesis-on-methane-release-in-the-water-column\/"},"modified":"2023-04-04T10:31:45","modified_gmt":"2023-04-04T08:31:45","slug":"par-jansson-defends-thesis-on-methane-release-in-the-water-column","status":"publish","type":"post","link":"https:\/\/site.uit.no\/cage\/2018\/11\/16\/par-jansson-defends-thesis-on-methane-release-in-the-water-column\/","title":{"rendered":"P\u00e4r Jansson defends thesis on methane release in the water column"},"content":{"rendered":"

Congratulations to Dr. Jansson who recently defended his thesis\u00a0\u201cMethane bubbles in the Arctic Ocean – Quantification, variability analysis and modelling of free and dissolved methane from the seafloor to the atmosphere.\u201d<\/strong><\/p>\n

Methane is a powerful greenhouse gas leaking from the seafloor at continental margins, and some researchers are concerned that its release into the atmosphere may amplify the greenhouse effect. But what are some of the factors controlling methane release, and what actually happens to the methane when it reaches the water column? These are some of the topics that P\u00e4r Jansson\u2019s doctoral thesis has sought to investigate.<\/p>\n

The study quantifies methane gas bubbles released from the seafloor offshore western Svalbard, and suggests that the intensity at which methane is released depends on transient gas pathways, while concentrations depend on both seepage variation and dispersion patterns. \u00a0A process-based model shows that bubble size is the most important factor in vertical methane distribution.<\/p>\n

The thesis presents new methods for understanding the dynamics of bubble-mediated methane, emanating from the seafloor in the Arctic Ocean. It also highlights the importance of efficient survey methods, knowledge of oceanographic conditions, and the need for sophisticated instrumentation and modelling tools in such detailed work.<\/p>\n","protected":false},"excerpt":{"rendered":"

Congratulations to Dr. Jansson who recently defended his thesis\u00a0\u201cMethane bubbles in the Arctic Ocean – … <\/p>\n

Read more \u00abP\u00e4r Jansson defends thesis on methane release in the water column\u00bb<\/span><\/a><\/p>\n","protected":false},"author":123546,"featured_media":694,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,146],"tags":[],"class_list":["post-693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-phd-defenses"],"acf":[],"yoast_head":"\nP\u00e4r Jansson defends thesis on methane release in the water column - CAGE, Centre for Arctic Gas Hydrate, Environment and Climate<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/site.uit.no\/cage\/2018\/11\/16\/par-jansson-defends-thesis-on-methane-release-in-the-water-column\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P\u00e4r Jansson defends thesis on methane release in the water column - 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