Beramadje Robyangue

Flood Inundation Assessment in the 9th District of N'Djamena, Chad, Using an Integrated HEC-HMS-HEC-RAS Framework

Tidjani Bahar, Wasna Galdima & Beramadje Robyangue · International Journal of Environment and Climate Change · 2026

Flooding is a major natural hazard in rapidly growing African cities, where hydrological variability, urban expansion, and limited drainage capacity can increase exposure. N'Djamena, the capital of Chad, is recurrently affected by flooding associated with the Chari-Logone River s...