HydroBASINS lev08 watershed · #1080116430
Bassin de Oued N'sa
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 4 administrative regions : Berriane, Bounoura, El Atteuf, Ghardaia
Sub-basin area
299,4km²
Upstream area
299,4km²
Discharge
0,24m³/s
Mean elev.
505m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 122.2 km²40.9% of basin
- 96.0 km²32.1% of basin
- 78.9 km²26.4% of basin
- 2.0 km²0.7% of basin
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°
20,6°C
Annual rain
75mm
Moisture idx (CMI)
-0,95
Runoff
27mm/an
PET
1 659mm
AET
62mm
Mean slope
1,6°
Water table
622cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)