HydroBASINS lev08 watershed · #1080505500
Bassin · #1080505500
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 : Arlit, Bilma, Tchighozerine
Sub-basin area
730,1km²
Upstream area
730,2km²
Discharge
0,06m³/s
Mean elev.
426m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 310.4 km²42.6% of basin
- 212.0 km²29.1% of basin
- 205.4 km²28.2% of basin
4 intersecting protected areas
Nature Reserve
395.64 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
337.18 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
337.18 km² overlap
Termit et Tin-Toumma
IUCN IVNature Reserve
89.27 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
27,1°C
Annual rain
24mm
Moisture idx (CMI)
-0,99
Runoff
3mm/an
PET
2 143mm
AET
16mm
Mean slope
0,5°
Water table
131cm
Forest
0%
Crops
0%
Urban
0%
Protected
66%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)