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Saint Louis Monitoring Campaign

Project description

Shore Monitoring & Research BV was commissioned by Stichting Deltares to perform field measurements near the city of St. Louis, Senegal in relation to the severe coastal erosion problems. The digging of an artificial canal through the sandy spit (Langue de Barbarie), just south of the city in 2002, aggravated the already severe coastal and fluvial erosion and flooding problems. The initial canal of some 5 m wide has grown to a 5 kilometer wide breach in 2019.

In a three-visit monitoring campaign, a variety of hydrological data was acquired. All field measurements are performed to generate data for numerical model validation by Deltares, as well as an assessment of the coastal erosion and development of the river mouth over the project duration.


Visit 1 - January 2019, mainly focused on bathymetry, wave and water level measurements, for wave model calibration

Visit 2 - March/April 2019, mainly focused on current, wave and water level measurements, for hydrodynamic model calibration

Visit 3 - July 2019, mainly focused on bathymetry, current, wave and water level measurements, for validation of the calibrated models and morphological analysis of the nearshore and breach area.

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