HydroBASINS lev08 watershed · #1080683680
Bassin de Niger
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Kollo, Niamey, Say, Tillabéry
Sub-basin area
2 275,3km²
Upstream area
668 059,1km²
Discharge
736,68m³/s
Mean elev.
240m
Administrative coverage
Species present
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
29,1°C
Annual rain
458mm
Moisture idx (CMI)
-0,78
Runoff
26mm/an
PET
2 126mm
AET
384mm
Mean slope
0,9°
Water table
370cm
Forest
0%
Crops
42%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)