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Secondary hydrography
Minor intermittent hydrography of the Sirba River Basin - 
    
      
Niger River Basin
Surface drained by the Niger River - 
    
      
Sirba River
Main channel of Sirba River and its main tributaries: Yali, Faga and Koulouko rivers - 
    
      
Niger River
Niger River - 
    
      
Flood hazard scenarios
Flood prone areas for the different flow conditions of the Sirba River