HydroBASINS lev08 watershed · #1080459380
Bassin · #1080459380
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
773,2km²
Upstream area
28 927,5km²
Discharge
0m³/s
Mean elev.
452m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080459370368 km²
- Bassin · #1080459730247 km²
2 dept-equivalent regions (GADM L2)
- 738.0 km²95.7% of basin
- 33.0 km²4.3% of basin
5 intersecting protected areas
Nature Reserve
687.37 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
687.37 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
687.37 km² overlap
Addax Sanctuary
IUCN IaStrict Nature Reserve
10.05 km² overlap
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
6.03 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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,8°C
Annual rain
15mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
2 102mm
AET
7mm
Mean slope
0,2°
Water table
85cm
Forest
0%
Crops
0%
Urban
0%
Protected
89%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)