Reference : Towards a comprehensive C-budgeting approach of a cocoliothophorid bloom in the norther...
Scientific congresses and symposiums : Unpublished conference
Life sciences : Aquatic sciences & oceanology
Life sciences : Environmental sciences & ecology
http://hdl.handle.net/2268/81231
Towards a comprehensive C-budgeting approach of a cocoliothophorid bloom in the northern Bay of Biscay: results from PEACE project.
English
Harlay, Jérôme mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique >]
Borges, Alberto mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique >]
Delille, Bruno mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique >]
Suykens, Kim [ > > ]
De Bodt, Caroline [Université Libre de Bruxelles, Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Belgium > > > >]
Sabbe, Koen [Université de Gand, Protistology & Aquatic Ecology, Belgium > > > >]
Van Oostende, Nicolas [Université de Gand, Protistology & Aquatic Ecology, Belgium > > > >]
Engel, Anja [Alfred Wegener Institute, HGF Young Investigators Group, Germany > > > >]
Piontek, Judith [Alfred Wegener Institute, HGF Young Investigators Group, Germany > > > >]
Chou, Lei [Université Libre de Bruxelles, Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Belgium > > > >]
3-May-2010
No
No
International
ISOBAY XII International Symposium on Oceanography of the Bay of Biscay
3-6 May 2010
http://www-iuem.univ-brest.fr/ISOBAY
Brest
France
[en] coccolithophore ; calcification ; primary production
[en] During coccolithophorid blooms, carbon (C) cycling in the photic zone is driven by the production and the degradation of organic matter (primary production and community respiration), as well as the production and the dissolution of biogenic calcium carbonate (CaCO3). Organic and inorganic metabolisms lead to a transfer of carbon to depth and both impact the flows of carbon dioxide (CO2) in the water column and the CO2 flux across the air-sea interface. Furthermore, due to complex dynamics of coccolithophores, the impact of metabolic C fluxes on CO2 fluxes is variable in time, depending on the stage of the bloom development, and mainly on the ratio of calcification to primary production (CAL:GPP). Understanding and quantifying C cycling of coccolithophorid blooms in natural conditions is a prerequisite to correctly validate biogeochemical models aiming at predicting feedbacks related to ocean acidification, which incorporate knowledge obtained from perturbation laboratory experiments.
We carried out a trans-disciplinary cruise on board the R/V Belgica at the continental margin of the Bay of Biscay, in the midst of a coccolithophorid bloom, during which 14C primary production (GPPp), 14C calcification (CAL) and O2-based pelagic community respiration rates (PCR) were determined in the water column.
http://www.co2.ulg.ac.be/peace/index.htm
http://hdl.handle.net/2268/81231

File(s) associated to this reference

Fulltext file(s):

FileCommentaryVersionSizeAccess
Open access
Harlay_et_al_2010_ISOBAY.pdfPublisher postprint70.8 kBView/Open

Bookmark and Share SFX Query

All documents in ORBi are protected by a user license.