HydroBASINS lev08 watershed · #5080001830
Bassin de Aek Kolang
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 : Tapanuli Tengah, Tapanuli Utara
Sub-basin area
594,3km²
Upstream area
594,3km²
Discharge
38,56m³/s
Mean elev.
536m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 315.8 km²53.4% of basin
- 275.8 km²46.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
46 distinct species · 102 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
23,8°C
Annual rain
3 198mm
Moisture idx (CMI)
0,48
Runoff
1 704mm/an
PET
1 627mm
AET
1 611mm
Mean slope
9,3°
Water table
264cm
Forest
69%
Crops
18%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)