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Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

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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.

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Comprend : Plan du siège de Peschiera au mois de Nivose an IX / Gravé par Stagnon ; Plan de la presqu'île & de l'attaque des retranchemens de Sermione en Nivose An IX ; Plan de la maison de campagne de Catulle située à l'extrémité de la presqu'île de Sermione / Gravé par Stagnon, à Turin