HydroBASINS lev08 watershed · #1080052970
Bassin · #1080052970
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 across 2 countries : Bilma, Djanet
Sub-basin area
1 219,5km²
Upstream area
1 219,5km²
Discharge
0,09m³/s
Mean elev.
977m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 957.0 km²78.7% of basin
- 259.7 km²21.3% of basin
3 intersecting protected areas
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
1029.52 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
955.82 km² overlap
Tassili n'Ajjer
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
555.32 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 4 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°
23,2°C
Annual rain
12mm
Moisture idx (CMI)
-0,99
Runoff
2mm/an
PET
1 824mm
AET
8mm
Mean slope
3,0°
Water table
1 110cm
Forest
0%
Crops
0%
Urban
0%
Protected
79%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)