HydroBASINS lev08 watershed · #2080972120
Bassin · #2080972120
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, Sharurah, Yadamah
Sub-basin area
1 142,9km²
Upstream area
1 143,1km²
Discharge
0,21m³/s
Mean elev.
728m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- YadamahNajran · Saudi Arabia760.0 km²66.7% of basin
- SharurahNajran · Saudi Arabia192.9 km²16.9% of basin
- 186.6 km²16.4% of basin
2 intersecting protected areas
'Uruq Bani Ma'arid
IUCN VIProtected Area
161.94 km² overlap
'Uruq Bani Ma'arid
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
66.58 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°
25,7°C
Annual rain
56mm
Moisture idx (CMI)
-0,97
Runoff
4mm/an
PET
1 948mm
AET
43mm
Mean slope
2,1°
Water table
265cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)