HydroBASINS lev08 watershed · #1080633240
Bassin de Wadi Merdama
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 1 administrative regions : Sowdari
Sub-basin area
1 398,2km²
Upstream area
2 665km²
Discharge
4,02m³/s
Mean elev.
719m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Wadi Merdama261 km²
- Bassin de Wadi Merdama19 km²
1 dept-equivalent regions (GADM L2)
- 1393.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
25,9°C
Annual rain
187mm
Moisture idx (CMI)
-0,91
Runoff
40mm/an
PET
2 107mm
AET
153mm
Mean slope
0,7°
Water table
356cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)