HydroBASINS lev08 watershed · #1080481550
Bassin · #1080481550
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 1 administrative regions : Arlit
Sub-basin area
580,4km²
Upstream area
9 145,6km²
Discharge
4,09m³/s
Mean elev.
604m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ifinyane966 km²
- Bassin de Issaouane187 km²
5 intersecting protected areas
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
578.61 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
578.61 km² overlap
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
578.61 km² overlap
Addax Sanctuary
IUCN IaStrict Nature Reserve
515.27 km² overlap
Nature Reserve
515.27 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
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°
26,4°C
Annual rain
27mm
Moisture idx (CMI)
-0,99
Runoff
22mm/an
PET
2 073mm
AET
17mm
Mean slope
1,2°
Water table
408cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)