HydroBASINS lev08 watershed · #1080468270
Bassin · #1080468270
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 : Arlit, Bilma
Sub-basin area
1 577,2km²
Upstream area
1 577,2km²
Discharge
0,04m³/s
Mean elev.
446m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1328.9 km²84.5% of basin
- 243.6 km²15.5% of basin
5 intersecting protected areas
Nature Reserve
1226.24 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1226.24 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1226.24 km² overlap
Addax Sanctuary
IUCN IaStrict Nature Reserve
3.60 km² overlap
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
0.39 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°
26,9°C
Annual rain
17mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
2 117mm
AET
8mm
Mean slope
0,2°
Water table
83cm
Forest
0%
Crops
0%
Urban
0%
Protected
78%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)