Article (Scientific journals)
Seasonal Variability of Carbon Dioxide in the Rivers and Lagoons of Ivory Coast (West Africa)
Koné, Yéfanlan José-Mathieu; Abril, Gwenaël; Kouadio, K. N. et al.
2009In Estuaries and Coasts, 32 (-), p. 246-260
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Abstract :
[en] We report partial pressure of CO2 (pCO2) and ancillary data in three rivers (Bia, Tanoé, and Comoé) and five lagoons (Tendo, Aby, Ebrié, Potou, and Grand-Lahou) in Ivory Coast (West Africa), during four cruises covering the main climatic seasons. The three rivers were oversaturated in CO2 with respect to atmospheric equilibrium, and the seasonal variability of pCO2 was due to dilution during the flooding period. Surface waters of the Potou, Ebrié, and Grand-Lahou lagoons were oversaturated in CO2 during all seasons. These lagoons behaved similarly to the oligohaline regions of macrotidal estuaries that are CO2 sources to the atmosphere due to net ecosystem heterotrophy and inputs of riverine CO2 rich waters. The Aby and Tendo lagoons were undersaturated in CO2 with respect to the atmosphere because of their permanent haline stratification (unlike the other lagoons) that seemed to lead to higher phytoplankton production and export of organic carbon below the pycnocline.
Research center :
6313PS657
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Koné, Yéfanlan José-Mathieu;  Université de Liège - ULiège > Astrophysique, Géophysique et Océanographie > Unité d'Océanographie Chimique
Abril, Gwenaël;  Université Bordeaux 1
Kouadio, K. N.;  Université d’Abobo-Adjamé,
Delille, Bruno  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Borges, Alberto  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Océanographie chimique
Language :
English
Title :
Seasonal Variability of Carbon Dioxide in the Rivers and Lagoons of Ivory Coast (West Africa)
Publication date :
2009
Journal title :
Estuaries and Coasts
ISSN :
1559-2723
eISSN :
1559-2731
Publisher :
Estuarine Research Federation, United States - New York
Volume :
32
Issue :
-
Pages :
246-260
Peer reviewed :
Peer reviewed
Funders :
AUF - Agence Universitaire de la Francophonie [CA]
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since 18 February 2009

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