HydroBASINS lev08 watershed · #1080792500
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 3 administrative regions across 2 countries : Birao, Id El Ghanem, Mukjar
Sub-basin area
1 108,2km²
Upstream area
1 108,2km²
Discharge
1,76m³/s
Mean elev.
545m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1093.5 km²99.1% of basin
- Mukjar7.6 km²0.7% of basin
- 2.7 km²0.2% 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°
26,3°C
Annual rain
712mm
Moisture idx (CMI)
-0,68
Runoff
50mm/an
PET
2 209mm
AET
600mm
Mean slope
0,3°
Water table
108cm
Forest
0%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)