HydroBASINS lev08 watershed · #1080490230
Bassin · #1080490230
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
815km²
Upstream area
815,2km²
Discharge
0,02m³/s
Mean elev.
424m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 711.2 km²87.5% of basin
- 101.3 km²12.5% of basin
3 intersecting protected areas
Nature Reserve
559.94 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
559.94 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
559.94 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°
27,0°C
Annual rain
18mm
Moisture idx (CMI)
-0,99
Runoff
1mm/an
PET
2 134mm
AET
8mm
Mean slope
0,3°
Water table
74cm
Forest
0%
Crops
0%
Urban
0%
Protected
69%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)