HydroBASINS lev08 watershed · #5080132430
Bassin · #5080132430
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, Lake Toba, Samosir, Simalungun, Toba Samosir
Sub-basin area
844,4km²
Upstream area
1 718,8km²
Discharge
59,99m³/s
Mean elev.
1 087m
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°
20,8°C
Annual rain
2 141mm
Moisture idx (CMI)
0,30
Runoff
1 189mm/an
PET
1 506mm
AET
1 432mm
Mean slope
6,8°
Water table
249cm
Forest
22%
Crops
34%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)