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Coastal flooding and erosion under climate change: a risk assessment for Dakar
Keywords: coastal flooding, coastal erosion, Dakar, climate scenarios, damages
Author(s): Íñigo Aniel-Quiroga, Elisa Sainz de Murieta, Íñigo Losada, Alexandra Toimil, Saúl Torres, Ambika Markanday and Andrea Briones
Date: 2021-31-05
Issue: PB 2021-02
http://doi.org/10.5281/zenodo.4778056
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• Dakar is exposed to coastal erosion and flooding. These risks are expected to increase in the future due to climate change.
• The areas most at risk of coastal flooding are the canal of Ngor, the flat areas around the Port and the chemical industrial facilities (ICS) in Mbao.
• As for coastal erosion, the areas most at risk are the long beach of Hanika in the Grand Côte and the narrow beaches from Hann to Mbao.
• The population at risk of coastal flooding due to sea-level rise and extreme events is expected to increase by 20-30% in 2050 and by more than 80% in 2100 unless adaptation measures are implemented.
• Economic damages, in the absence of adaptation, could increase by 30% in 2050 and by 80% in 2100, considering a middle of the road sea-level rise scenario.
•This report is also available in French, in the following link