HydroBASINS lev08 watershed · #1081024380
Bassin de Orashi River
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 : Abua/Odual, Ahoada East, Ahoada West, Brass, Ogba/Egbema/Ndoni +6
Sub-basin area
1 835,1km²
Upstream area
4 219,4km²
Discharge
192,92m³/s
Mean elev.
24m
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°
26,7°C
Annual rain
2 438mm
Moisture idx (CMI)
0,35
Runoff
1 533mm/an
PET
1 570mm
AET
1 249mm
Mean slope
0,5°
Water table
14cm
Forest
83%
Crops
27%
Urban
15%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)