Distribution of surface carbon dioxide and air-sea exchange in the English Channel and adjacent areas

[en] In the present paper we report the distribution of the partial pressure of CO2 (pCO2) in surface waters along 13 transects in the English Channel, covering the four seasons. The spatial and temporal variability of pCO2 is controlled by a complex combination of primary production (from May to June), degradation of organic matter, temperature change, and freshwater inputs. Preliminary air-sea CO2 exchange computations suggest that the Channel is not a major sink of atmospheric CO2 and is probably neutral from the point of view of atmospheric coupling. This is mainly related to a relatively low export and/or burial of organic carbon and intense benthic calcification.

Disciplines :

Aquatic sciences & oceanology

Author, co-author :

Borges, Alberto ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique

Frankignoulle, Michel

Language :

English

Title :

Distribution of surface carbon dioxide and air-sea exchange in the English Channel and adjacent areas

Publication date :

2003

Journal title :

Journal of Geophysical Research

ISSN :

0148-0227

eISSN :

2156-2202

Publisher :

American Geophysical Union, Washington, United States - District of Columbia

Volume :

108

Issue :

Pages :

1-14

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 17 December 2008

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