HydroBASINS lev08 watershed · #1080362930
Bassin de Tadant
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 : Djanet, Tazrouk
Sub-basin area
1 103,2km²
Upstream area
1 103,2km²
Discharge
0,66m³/s
Mean elev.
1 079m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 980.3 km²89.1% of basin
- 120.2 km²10.9% of basin
2 intersecting protected areas
Ahaggar
IUCN Not ApplicableCultural Park
983.49 km² overlap
Tassili N'Ajjer
IUCN Not ApplicableCultural Park
117.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
23,4°C
Annual rain
21mm
Moisture idx (CMI)
-0,99
Runoff
21mm/an
PET
1 816mm
AET
14mm
Mean slope
3,2°
Water table
1 158cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)