HydroBASINS lev08 watershed · #1080837560
Bassin de Ouandija
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 1 administrative regions : Birao
Sub-basin area
246,7km²
Upstream area
8 999,3km²
Discharge
12,17m³/s
Mean elev.
482m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ouandija1026 km²
- Bassin de Ouandija363 km²
1 dept-equivalent regions (GADM L2)
- 245.7 km²100.0% of basin
1 intersecting protected areas
Ouandjia-Vakaga
IUCN IVFaunal Reserve
171.97 km² overlap
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°
26,5°C
Annual rain
957mm
Moisture idx (CMI)
-0,55
Runoff
47mm/an
PET
2 120mm
AET
808mm
Mean slope
0,8°
Water table
89cm
Forest
0%
Crops
0%
Urban
0%
Protected
70%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)