HydroBASINS lev08 watershed · #1080803730
Bassin de Ouadi Tiwal
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 across 2 countries : Birao, Id El Ghanem
Sub-basin area
1 023,5km²
Upstream area
12 314km²
Discharge
14,32m³/s
Mean elev.
510m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ouadi Tiwal1765 km²
- Bassin de Ouadi Tiwal1108 km²
2 dept-equivalent regions (GADM L2)
- 579.6 km²56.9% of basin
- 439.8 km²43.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 3 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°
26,4°C
Annual rain
731mm
Moisture idx (CMI)
-0,67
Runoff
54mm/an
PET
2 209mm
AET
616mm
Mean slope
0,1°
Water table
53cm
Forest
0%
Crops
4%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)