HydroBASINS lev08 watershed · #5080137130
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 4 administrative regions : Bengkalis, Rokan Hilir, Rokan Hulu, Siak
Sub-basin area
1 104,6km²
Upstream area
15 504,2km²
Discharge
474,88m³/s
Mean elev.
27m
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°
26,9°C
Annual rain
2 952mm
Moisture idx (CMI)
0,42
Runoff
1 131mm/an
PET
1 715mm
AET
1 712mm
Mean slope
0,7°
Water table
21cm
Forest
52%
Crops
29%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)