HydroBASINS lev08 watershed · #1080511460
Bassin · #1080511460
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, Tchighozerine
Sub-basin area
406,3km²
Upstream area
406,4km²
Discharge
0,48m³/s
Mean elev.
535m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 307.7 km²76.0% of basin
- 97.3 km²24.0% of basin
4 intersecting protected areas
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
405.01 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
405.01 km² overlap
Nature Reserve
24.86 km² overlap
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
13.49 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
37mm
Moisture idx (CMI)
-0,98
Runoff
38mm/an
PET
2 117mm
AET
26mm
Mean slope
0,4°
Water table
294cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)