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December 9, 2025Journal of Marine Science and EngineeringOpen Access

Spatial Analysis of Extreme Coastal Water Levels and Dominant Forcing Factors Along the Senegalese Coast

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Authors

CCCheikh Omar Tidjani CisséRARafaël AlmarANAbdoulaye Ndour

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Overview

Analysis reveals spatial heterogeneity in extreme coastal flooding and water levels, indicating risks from sea level rise.

Key Points

  • This research examines the spatiotemporal variability of extreme coastal water levels along the Senegalese coast.
  • Analyzed data from 1993 to 2023 combining tide gauge, meteorological data, and ERA5 reanalysis.
  • Employed generalized Pareto distribution to estimate significant return levels and percentiles.
  • Conducted trend analysis using the Mann–Kendall test.
  • 99th percentile of extreme coastal water levels exceeded 1.2 m in Dakar and Saint-Louis regions.
  • Return levels for 100 year events predicted to exceed 2.25 m in Dakar.
  • Sensitivity analysis indicated that astronomical tide controls ECWLs along most of the coast.

Cite This Study

Cissé et al. (2025) studied this question.

synapsesocial.com/papers/69401d682d562116f28f91d5https://doi.org/10.3390/jmse13122342
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