{"id":516,"date":"2016-06-08T00:00:00","date_gmt":"2016-06-07T22:00:00","guid":{"rendered":"https:\/\/site.uit.no\/cage\/2016\/06\/08\/observatories-long-term-greenhouse-gas-data-retrieved-from-the-arctic-ocean\/"},"modified":"2023-04-04T10:33:32","modified_gmt":"2023-04-04T08:33:32","slug":"observatories-long-term-greenhouse-gas-data-retrieved-from-the-arctic-ocean","status":"publish","type":"post","link":"https:\/\/site.uit.no\/cage\/2016\/06\/08\/observatories-long-term-greenhouse-gas-data-retrieved-from-the-arctic-ocean\/","title":{"rendered":"Observatories, long-term greenhouse gas data retrieved from the Arctic Ocean"},"content":{"rendered":"

CAGE scientists have recently retrieved two long-term observatories that have been sitting on the ocean floor in the Arctic for over a year. The recovery has been a success, yielding a year of unprecedented multi sensor data on Arctic methane release.<\/strong><\/h4>\n
Text: Maja Sojtaric<\/h6>\n

<\/p>\n

Mysteries still abound about methane release from the ocean floor. More than 250 flares release the greenhouse gas in relatively shallow areas offshore Svalbard, creating an ideal environment for ocean climate and long-term observations.<\/p>\n

In close cooperation with CAGE, Kongsberg Maritime has developed two observatories<\/a>, called K-Landers. The landers include instruments and sensors necessary to monitor the release of methane in ocean environment, evaluating potential causal effects within the ocean settings.<\/p>\n

\u201cThe aim was to improve our understanding of one of the most dynamic and seasonally sea \u2013ice influenced areas of natural seabed methane release. \u201c says chief scientist Benedicte Ferr\u00e9.<\/strong><\/p>\n

\u00a0<\/strong>Deployed offshore Svalbard in 2015
\n<\/strong>The observatories were deployed offshore Svalbard <\/a>in the spring of 2015, at depths of 90 and 240 meters, in an area of known gas release. A year later the suspense was high upon the retrieval of the landers \u2013 many things could have gone wrong under such harsh Arctic conditions. But with the help of the Research Vessel Helmer Hanssen both of the landers were successfully retrieved, and yes \u2013 they had recorded the data that they were set out to record.<\/p>\n

\"IMG_2933
Chief scientist Benedicte Ferr\u00e9 is happy with the retrieval of the observatories and looking forward to analysing the data.<\/figcaption><\/figure>\n

\u201cWe are glad to say that we have already received some preliminary insights in data sets from our colleagues in Kongsberg.\u201d says Ferr\u00e9 who is satisfied with the collaboration with Kongsberg Maritime.<\/p>\n

CAGE is currently increasing its oceanography team <\/a>in ocean chemistry and dynamics, adding three new PhD positions to the research group led by Ferr\u00e9. One of their main objectives will be to work with the retrieved data and put together the full story of methane release in a harsh ocean environment seasonally covered by sea ice in shallow waters.<\/p>\n

\u00a0<\/strong>A risk that\u00a0paid off<\/strong><\/p>\n

CAGE plans to redeploy the two K-Landers in the Arctic Ocean in 2016, after upgrades by Kongsberg Maritime, further increasing the capabilities of the systems.<\/p>\n

 <\/p>\n

\"Retrieval
Photo: CAGE<\/figcaption><\/figure>\n

\u201cThis pioneering way of exposing sensitive instrumentation to harsh environments, of course had its risks. But those were the risks one has to take to push the boundaries in scientific knowledge, and it has fortunately paid off. We are looking forward to developing the K-Landers further with our colleagues at Kongsberg Maritime to learn more about today\u2019 dynamic changes in the Arctic and possible future scenarios.\u201d Says CAGE director J\u00fcrgen Mienert.<\/p>\n

Leaving highly sophisticated multi-sensor systems in the Arctic waters for a full year, is extremely challenging. But:<\/p>\n

\u201cCAGE has provided the required expertise and guidance for Kongsberg Maritime to make this a success. The K-Lander has collected a complete annual cycle of multi-sensor data from the Arctic Ocean, which sets a new standard for long-term ocean observatories worldwide\u201d, states S\u00f6ren Themann, Vice President of Subsea Monitoring at Kongsberg Maritime.<\/p>\n

\"Fast
Read more at: www.km.kongsberg.com<\/a><\/figcaption><\/figure>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

CAGE scientists have recently retrieved two long-term observatories that have been sitting on the ocean … <\/p>\n

Read more \u00abObservatories, long-term greenhouse gas data retrieved from the Arctic Ocean\u00bb<\/span><\/a><\/p>\n","protected":false},"author":123546,"featured_media":520,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"\nObservatories, long-term greenhouse gas data retrieved from the Arctic Ocean - 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\/2016\/06\/08\/observatories-long-term-greenhouse-gas-data-retrieved-from-the-arctic-ocean\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Observatories, long-term greenhouse gas data retrieved from the Arctic Ocean - 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