HydroBASINS lev08 watershed · #1080371800
Bassin · #1080371800
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 3 administrative regions across 2 countries : Arlit, Djanet, Tazrouk
Sub-basin area
1 017,3km²
Upstream area
24 247,8km²
Discharge
0,58m³/s
Mean elev.
687m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10803600701391 km²
- Bassin · #1080359850219 km²
3 dept-equivalent regions (GADM L2)
- 711.1 km²70.1% of basin
- 261.1 km²25.7% of basin
- 42.5 km²4.2% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
761.12 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
747.07 km² overlap
Ahaggar
IUCN Not ApplicableCultural Park
36.32 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°
25,2°C
Annual rain
7mm
Moisture idx (CMI)
-1,00
Runoff
0mm/an
PET
1 902mm
AET
2mm
Mean slope
0,7°
Water table
336cm
Forest
0%
Crops
0%
Urban
0%
Protected
74%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)