HydroBASINS lev08 watershed · #1080906340
Bassin de Sewa
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 2 administrative regions : Bo, Kenema
Sub-basin area
740,2km²
Upstream area
9 997,1km²
Discharge
480,65m³/s
Mean elev.
177m
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°
25,8°C
Annual rain
2 734mm
Moisture idx (CMI)
0,39
Runoff
1 699mm/an
PET
1 675mm
AET
1 290mm
Mean slope
4,1°
Water table
136cm
Forest
1%
Crops
2%
Urban
10%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)