Reference : Daily and seasonal variations of the partial pressure of CO2 in surface seawater along t...
Scientific journals : Article
Life sciences : Aquatic sciences & oceanology
http://hdl.handle.net/2268/2577
Daily and seasonal variations of the partial pressure of CO2 in surface seawater along the Belgian and southern Dutch coastal areas
English
Borges, Alberto mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique >]
Frankignoulle, Michel [ > > ]
1999
Journal of Marine Systems
Elsevier Science
19
251-266
Yes (verified by ORBi)
International
0924-7963
Amsterdam
The Netherlands
[en] The variations of the partial pressure of CO2 pCO2.and related parameters were determined in surface seawater along
the Belgian coast, from January 1995 to June 1996, at both daily and seasonal time scales. The distribution of pCO2 in this
area is regulated by river input from the Scheldt, biological activity and hydrodynamics. The contribution of each of these
processes varies as a function of the considered time scale: i. the daily variation of pCO2 depends on the tide although
modulated by the biological diel cycle; ii. the seasonal variation of pCO2 depends on the input from the Scheldt and the
seasonal variations of phytoplanktonic biomass. During winter, the plume of the river Scheldt is oversaturated in pCO2 with
respect to the atmosphere. During spring and summer, phytoplankton blooms occur both in the lower Scheldt estuary and in
the river plume and may lead to undersaturation of pCO2 in the easternmost area of the river plume. However, the
degradation of phytoplankton induces oversaturation of pCO2, in the westernmost area of the plume. Furthermore, the
inter-annual variation of pCO2 depends partly on the fluctuations of the discharge of the Scheldt. Our preliminary results
strongly suggest that, on an annual basis, the Scheldt plume behaves as a net source of CO2 to the atmosphere
Researchers
http://hdl.handle.net/2268/2577
10.1016/S0924-7963(98)00093-1

File(s) associated to this reference

Fulltext file(s):

FileCommentaryVersionSizeAccess
Open access
Borges_&_Frankignoulle_1999.pdfPublisher postprint2.82 MBView/Open

Bookmark and Share SFX Query

All documents in ORBi are protected by a user license.