HydroBASINS lev08 watershed · #5080135700
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 2 administrative regions : Dumai, Rokan Hilir
Sub-basin area
1 012,5km²
Upstream area
17 421,1km²
Discharge
533,87m³/s
Mean elev.
19m
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 707mm
Moisture idx (CMI)
0,38
Runoff
955mm/an
PET
1 681mm
AET
1 680mm
Mean slope
0,6°
Water table
17cm
Forest
32%
Crops
33%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)