HydroBASINS lev08 watershed · #2080966490
Bassin · #2080966490
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 : Al Ahsa, As Sulayyil, Sharurah, Yadamah
Sub-basin area
1 999,3km²
Upstream area
5 498,4km²
Discharge
0,74m³/s
Mean elev.
524m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #20809720702356 km²
- Bassin · #20809721201143 km²
4 dept-equivalent regions (GADM L2)
- 931.8 km²46.7% of basin
- 493.8 km²24.8% of basin
- YadamahNajran · Saudi Arabia372.7 km²18.7% of basin
- SharurahNajran · Saudi Arabia195.1 km²9.8% of basin
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°
26,3°C
Annual rain
49mm
Moisture idx (CMI)
-0,97
Runoff
5mm/an
PET
1 936mm
AET
37mm
Mean slope
1,7°
Water table
169cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)