Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research
One of the great challenges in ocean change research is to understand and forecast the effects of environmental changes on pelagic communities and the associated impacts on biogeochemical cycling. Mesocosms, experimental enclosures designed to approximate natural conditions, and in which environment...
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ftdoajarticles:oai:doaj.org/article:abe3d1084b6843afae3393b6a73d6594 2023-05-15T15:14:46+02:00 Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research U. Riebesell J. Czerny K. von Bröckel T. Boxhammer J. Büdenbender M. Deckelnick M. Fischer D. Hoffmann S. A. Krug U. Lentz A. Ludwig R. Muche K. G. Schulz 2013-03-01T00:00:00Z https://doi.org/10.5194/bg-10-1835-2013 https://doaj.org/article/abe3d1084b6843afae3393b6a73d6594 EN eng Copernicus Publications http://www.biogeosciences.net/10/1835/2013/bg-10-1835-2013.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 doi:10.5194/bg-10-1835-2013 1726-4170 1726-4189 https://doaj.org/article/abe3d1084b6843afae3393b6a73d6594 Biogeosciences, Vol 10, Iss 3, Pp 1835-1847 (2013) Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 article 2013 ftdoajarticles https://doi.org/10.5194/bg-10-1835-2013 2022-12-31T14:12:24Z One of the great challenges in ocean change research is to understand and forecast the effects of environmental changes on pelagic communities and the associated impacts on biogeochemical cycling. Mesocosms, experimental enclosures designed to approximate natural conditions, and in which environmental factors can be manipulated and closely monitored, provide a powerful tool to close the gap between small-scale laboratory experiments and observational and correlative approaches applied in field surveys. Existing pelagic mesocosm systems are stationary and/or restricted to well-protected waters. To allow mesocosm experimentation in a range of hydrographic conditions and in areas considered most sensitive to ocean change, we developed a mobile sea-going mesocosm facility, the Kiel Off-Shore Mesocosms for Future Ocean Simulations (KOSMOS). The KOSMOS platform, which can be transported and deployed by mid-sized research vessels, is designed for operation in moored and free-floating mode under low to moderate wave conditions (up to 2.5 m wave heights). It encloses a water column 2 m in diameter and 15 to 25 m deep (∼50–75 m 3 in volume) without disrupting the vertical structure or disturbing the enclosed plankton community. Several new developments in mesocosm design and operation were implemented to (i) minimize differences in starting conditions between mesocosms, (ii) allow for extended experimental duration, (iii) precisely determine the mesocosm volume, (iv) determine air–sea gas exchange, and (v) perform mass balance calculations. After multiple test runs in the Baltic Sea, which resulted in continuous improvement of the design and handling, the KOSMOS platform successfully completed its first full-scale experiment in the high Arctic off Svalbard (78°56.2′ N, 11°53.6′ E) in June/July 2010. The study, which was conducted in the framework of the European Project on Ocean Acidification (EPOCA), focused on the effects of ocean acidification on a natural plankton community and its impacts on biogeochemical cycling ... Article in Journal/Newspaper Arctic Ocean acidification Svalbard Directory of Open Access Journals: DOAJ Articles Arctic Svalbard Biogeosciences 10 3 1835 1847 |
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Open Polar |
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Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
spellingShingle |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 U. Riebesell J. Czerny K. von Bröckel T. Boxhammer J. Büdenbender M. Deckelnick M. Fischer D. Hoffmann S. A. Krug U. Lentz A. Ludwig R. Muche K. G. Schulz Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
topic_facet |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
description |
One of the great challenges in ocean change research is to understand and forecast the effects of environmental changes on pelagic communities and the associated impacts on biogeochemical cycling. Mesocosms, experimental enclosures designed to approximate natural conditions, and in which environmental factors can be manipulated and closely monitored, provide a powerful tool to close the gap between small-scale laboratory experiments and observational and correlative approaches applied in field surveys. Existing pelagic mesocosm systems are stationary and/or restricted to well-protected waters. To allow mesocosm experimentation in a range of hydrographic conditions and in areas considered most sensitive to ocean change, we developed a mobile sea-going mesocosm facility, the Kiel Off-Shore Mesocosms for Future Ocean Simulations (KOSMOS). The KOSMOS platform, which can be transported and deployed by mid-sized research vessels, is designed for operation in moored and free-floating mode under low to moderate wave conditions (up to 2.5 m wave heights). It encloses a water column 2 m in diameter and 15 to 25 m deep (∼50–75 m 3 in volume) without disrupting the vertical structure or disturbing the enclosed plankton community. Several new developments in mesocosm design and operation were implemented to (i) minimize differences in starting conditions between mesocosms, (ii) allow for extended experimental duration, (iii) precisely determine the mesocosm volume, (iv) determine air–sea gas exchange, and (v) perform mass balance calculations. After multiple test runs in the Baltic Sea, which resulted in continuous improvement of the design and handling, the KOSMOS platform successfully completed its first full-scale experiment in the high Arctic off Svalbard (78°56.2′ N, 11°53.6′ E) in June/July 2010. The study, which was conducted in the framework of the European Project on Ocean Acidification (EPOCA), focused on the effects of ocean acidification on a natural plankton community and its impacts on biogeochemical cycling ... |
format |
Article in Journal/Newspaper |
author |
U. Riebesell J. Czerny K. von Bröckel T. Boxhammer J. Büdenbender M. Deckelnick M. Fischer D. Hoffmann S. A. Krug U. Lentz A. Ludwig R. Muche K. G. Schulz |
author_facet |
U. Riebesell J. Czerny K. von Bröckel T. Boxhammer J. Büdenbender M. Deckelnick M. Fischer D. Hoffmann S. A. Krug U. Lentz A. Ludwig R. Muche K. G. Schulz |
author_sort |
U. Riebesell |
title |
Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
title_short |
Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
title_full |
Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
title_fullStr |
Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
title_full_unstemmed |
Technical Note: A mobile sea-going mesocosm system – new opportunities for ocean change research |
title_sort |
technical note: a mobile sea-going mesocosm system – new opportunities for ocean change research |
publisher |
Copernicus Publications |
publishDate |
2013 |
url |
https://doi.org/10.5194/bg-10-1835-2013 https://doaj.org/article/abe3d1084b6843afae3393b6a73d6594 |
geographic |
Arctic Svalbard |
geographic_facet |
Arctic Svalbard |
genre |
Arctic Ocean acidification Svalbard |
genre_facet |
Arctic Ocean acidification Svalbard |
op_source |
Biogeosciences, Vol 10, Iss 3, Pp 1835-1847 (2013) |
op_relation |
http://www.biogeosciences.net/10/1835/2013/bg-10-1835-2013.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 doi:10.5194/bg-10-1835-2013 1726-4170 1726-4189 https://doaj.org/article/abe3d1084b6843afae3393b6a73d6594 |
op_doi |
https://doi.org/10.5194/bg-10-1835-2013 |
container_title |
Biogeosciences |
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10 |
container_issue |
3 |
container_start_page |
1835 |
op_container_end_page |
1847 |
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