HydroBASINS lev08 watershed · #1080490330
Bassin · #1080490330
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
86,4km²
Upstream area
1 251,1km²
Discharge
0,07m³/s
Mean elev.
416m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080490220396 km²
- Bassin · #108049032055 km²
2 dept-equivalent regions (GADM L2)
- 83.2 km²96.7% of basin
- 2.8 km²3.3% of basin
3 intersecting protected areas
Nature Reserve
59.83 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
59.83 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
59.83 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°
27,0°C
Annual rain
18mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
2 138mm
AET
9mm
Mean slope
0,4°
Water table
42cm
Forest
0%
Crops
0%
Urban
0%
Protected
70%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)