HydroBASINS lev08 watershed · #5080137160
Bassin de Sungai Rokan
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 3 administrative regions : Bengkalis, Dumai, Rokan Hilir
Sub-basin area
904,7km²
Upstream area
904,7km²
Discharge
31,1m³/s
Mean elev.
22m
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°
27,0°C
Annual rain
2 815mm
Moisture idx (CMI)
0,39
Runoff
1 085mm/an
PET
1 704mm
AET
1 701mm
Mean slope
0,7°
Water table
25cm
Forest
16%
Crops
46%
Urban
15%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)