HydroBASINS lev08 watershed · #1080463760
Bassin · #1080463760
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
4 955km²
Upstream area
4 955km²
Discharge
0,16m³/s
Mean elev.
500m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 4782.4 km²96.8% of basin
- 157.8 km²3.2% of basin
5 intersecting protected areas
Nature Reserve
4638.64 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
4638.64 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
4638.64 km² overlap
Addax Sanctuary
IUCN IaStrict Nature Reserve
1284.06 km² overlap
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
1243.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 8 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°
26,7°C
Annual rain
18mm
Moisture idx (CMI)
-0,99
Runoff
2mm/an
PET
2 095mm
AET
10mm
Mean slope
0,3°
Water table
216cm
Forest
0%
Crops
0%
Urban
0%
Protected
94%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)