HydroBASINS lev08 watershed · #5080003490
Bassin de Silau
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 5 administrative regions : Asahan, Batu Bara, Kota Tanjungbalai, Simalungun, Toba Samosir
Sub-basin area
1 470,1km²
Upstream area
1 470,1km²
Discharge
59m³/s
Mean elev.
342m
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°
24,9°C
Annual rain
2 309mm
Moisture idx (CMI)
0,28
Runoff
1 234mm/an
PET
1 633mm
AET
1 556mm
Mean slope
4,6°
Water table
111cm
Forest
22%
Crops
42%
Urban
6%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)