HydroBASINS lev08 watershed · #2080971900
Bassin · #2080971900
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 3 administrative regions : As Sulayyil, Wadi Ad Dawasir, Yadamah
Sub-basin area
350,3km²
Upstream area
350,3km²
Discharge
0m³/s
Mean elev.
838m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 348.2 km²99.7% of basin
- 0.7 km²0.2% of basin
- YadamahNajran · Saudi Arabia0.4 km²0.1% of basin
2 intersecting protected areas
'Uruq Bani Ma'arid
IUCN VIProtected Area
349.27 km² overlap
'Uruq Bani Ma'arid
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
349.27 km² overlap
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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
25,6°C
Annual rain
65mm
Moisture idx (CMI)
-0,97
Runoff
2mm/an
PET
1 972mm
AET
51mm
Mean slope
2,8°
Water table
866cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)