HydroBASINS lev08 watershed · #1080630170
Bassin de Béli
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 across 3 countries : Ansongo, Oudalan, Téra
Sub-basin area
575km²
Upstream area
43 001km²
Discharge
42,83m³/s
Mean elev.
266m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10806277701113 km²
- Bassin de Béli45 km²
3 dept-equivalent regions (GADM L2)
- 406.2 km²70.9% of basin
- 159.9 km²27.9% of basin
- AnsongoGao · Mali6.9 km²1.2% of basin
2 intersecting protected areas
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
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°
29,0°C
Annual rain
310mm
Moisture idx (CMI)
-0,85
Runoff
28mm/an
PET
2 129mm
AET
258mm
Mean slope
0,7°
Water table
230cm
Forest
0%
Crops
9%
Urban
0%
Protected
22%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)