HydroBASINS lev08 watershed · #1080924940
Bassin de Oyan
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 11 administrative regions across 2 countries : Abeokuta North, Atisbo, Ibarapa Central, Ibarapa North, Imeko-Afon +6
Sub-basin area
4 488,6km²
Upstream area
4 489,4km²
Discharge
44,92m³/s
Mean elev.
231m
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°
26,8°C
Annual rain
1 130mm
Moisture idx (CMI)
-0,37
Runoff
324mm/an
PET
1 793mm
AET
956mm
Mean slope
1,8°
Water table
180cm
Forest
26%
Crops
53%
Urban
1%
Protected
41%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)