HydroBASINS lev08 watershed · #4081023660
Bassin de ນ້ຳອູ
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 3 administrative regions : Khua, May, Samphanh
Sub-basin area
460,5km²
Upstream area
10 901,5km²
Discharge
369,94m³/s
Mean elev.
909m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Nam Ly518 km²
- Bassin de ນ້ຳອູ3 km²
3 dept-equivalent regions (GADM L2)
- 408.6 km²89.0% of basin
- 48.1 km²10.5% of basin
- 2.6 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
20,9°C
Annual rain
1 688mm
Moisture idx (CMI)
0,12
Runoff
826mm/an
PET
1 483mm
AET
1 033mm
Mean slope
19,3°
Water table
626cm
Forest
5%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)