Poster (Scientific congresses and symposiums)
Assessment of the importance of the carbonate pump in surface waters of the Bay of Biscay
Harlay, Jérôme; Chou, Lei; Dedonder, Virginie et al.
2003Oceans: Ocean Biogeochemistry and Ecosystem analysis
 

Files


Full Text
poster_Harlay_et_al_paris_2004.pdf
Author preprint (547.52 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Abstract :
[en] Marine carbon research in the past decade has been mainly devoted to the understanding and quantification of processes controlling the fluxes of organic matter in the ocean. Little attention has been paid until now to the particulate inorganic carbon whose net fluxes to the sediments are comparable to those of the organic matter. There remains still a large uncertainty in the production and the fate of biogenic calcium carbonate in the oceanic carbon cycle. In the framework of the Belgian global change programme, we have developed a project devoted to the study of the inorganic carbon cycle in the Bay of Biscay where coccolithophorid blooms occur frequently. The study focuses on processes associated with the oceanic production and dissolution of calcium carbonate, by combining field investigations, laboratory experiments and modelling efforts. The rate of primary production and of calcification by phytoplankton is evaluated by 14C incubation experiments during a coccolithophorid bloom-forming period in the area of investigation. The relative production of organic matter and calcium carbonate in the photic zone along a transect from the continental shelf across the slope to deep waters will be presented. A tentative mass balance of the carbon fluxes for this area will be constructed. These preliminary results confirm the importance that the calcium carbonate pump may play in open ocean.
Disciplines :
Environmental sciences & ecology
Aquatic sciences & oceanology
Author, co-author :
Harlay, Jérôme ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Chou, Lei;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
Dedonder, Virginie;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
Wollast, Roland;  Laboratoire d’Océanographie Chimique et Géochimie des Eaux, Faculté des Sciences, Université Libre de Bruxelles, B-1050 Brussels, Belgium
Delille, Bruno  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Aerts, Katrien;  Micro and Trace Analysis Centre (MiTAC), Universiteit Antwerpen, B-2610 Antwerp, Belgium
Language :
English
Title :
Assessment of the importance of the carbonate pump in surface waters of the Bay of Biscay
Publication date :
07 January 2003
Event name :
Oceans: Ocean Biogeochemistry and Ecosystem analysis
Event organizer :
IGBP & SCOR
Event place :
Paris, France
Event date :
7-10 January 2003
Audience :
International
Available on ORBi :
since 07 January 2011

Statistics


Number of views
35 (0 by ULiège)
Number of downloads
24 (0 by ULiège)

Bibliography


Similar publications



Contact ORBi