Contribution à l'étude des modifications hydro-sédimentaires consécutives à la réouverture artificielle de l'embouchure du Comoé à Grand-Bassam

Koffi, K.Ph. and Abe, J. and Amon Kothias, J.B. (1991) Contribution à l'étude des modifications hydro-sédimentaires consécutives à la réouverture artificielle de l'embouchure du Comoé à Grand-Bassam. Journal Ivoirien d'Océanologie et de Limnologie, 1(2), pp. 47-60.

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Abstract

The Bassam artificial inlet was opened (in September 22, 1987) in order to revacuate offshore invasive aquatic plants. This has considerably modified the hydro-sedimentary environment of the lagoonal domain at Grand-Bassam. Tidal currents effect has confered the lagoonal waters an estuarine feature, the saline intrusion (25-35%o) increased beyond the Moossou bridges up to the confluence of the Comoe river. This has led to a cleaning of the river lower course and above all to the bottoms of the lagoon, which were previously confined. The remobilization of mud (from lagoonal bottoms around Bouet Island) evacuated offshore, has exposed lagoonal and oceanic sandy features. This new system remains fragile, with the seasonal (low river-flow) clogging.

Item Type: Article
Title: Contribution à l'étude des modifications hydro-sédimentaires consécutives à la réouverture artificielle de l'embouchure du Comoé à Grand-Bassam
Personal Creator/Author:
CreatorsEmail
Koffi, K.Ph.
Abe, J.
Amon Kothias, J.B.
Corporate Creator/Author: Centre de Recherches Océanologiques, Abidjan
Journal or Publication Title: Journal Ivoirien d'Océanologie et de Limnologie
Volume: 1
Number: 2
Page Range: pp. 47-60
Date: November 1991
ISSN: 1018-0354
Issuing Agency: Centre de Recherches Océanologiques, Côte d'Ivoire
Uncontrolled Keywords: Côte d'Ivoire; Comoé river; Lagune Ebrié; Grand-Bassam; lagoons; hydrology; sediments; erosion
Subjects: Biology
Ecology
Environment
Item ID: 7509
Depositing User: Ms Maria Kalentsits
Date Deposited: 30 Jan 2012 09:49
Last Modified: 30 Jan 2012 09:49
URI: http://aquaticcommons.org/id/eprint/7509

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