Characterization of periodic oxillations of the tide signal Observed in the Ebrie lagoon off the coast of Abidjan (Cote d'Ivoire)

Rokyatou Samassy Epouse Yeo 1, *, Charles Albéric Aka 2, Andho Ella Gwladys Odjohou 1, Sylvain Monde 1, Seydou Sangaré 3 and Florence Adje 1

1 University Felix Houphouet-Boigny de Cocody, 22 BP 522 Abidjan 22, Cote d'Ivoire.
2 Oceanological Research Center (CRO) - 29, Rue des Pecheurs, BP V 18 Abidjan, Cote d'Ivoire.
3 Department of Hydrography, Port Autonome d'Abidjan, Cote d'Ivoire.
 
Research Article
International Journal of Science and Research Archive, 2024, 11(01), 422–431.
Article DOI: 10.30574/ijsra.2024.11.1.0001
Publication history: 
Received on 24 November 2023; revised on 13 January 2024; accepted on 16 January 2024
 
Abstract: 
Nowadays, rising water levels are a major factor threatening our coasts. We need to carry out more studies to better understand our coastal environment and obtain information in real time and continuously. It is in this context that this study was initiated. It consists of firstly showing the factors which make the coasts more vulnerable and then secondly showing the complementarity of the data at the different stations. We used data from two tide gauges (radar and float). The average level calculated at the fascinage and north quay stations during the different seasons varying from 0.95 m during low water periods to 1.12 m during flood periods, reveals to us that our coasts are more vulnerable in the rainy season and flood period. The determination of the duration of the flow and the ebb as well as the averages during these different seasons show that the data from a missing station can be replaced by the data from an existing station.
 
Keywords: 
Radar tide gauge; Tide signal; Periodic oscillations; Port harbor
 
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