HydroBASINS lev08 watershed · #2080986470
Bassin de Wadi Ayun
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 : Thumrait
Sub-basin area
122,1km²
Upstream area
4 787,7km²
Discharge
0m³/s
Mean elev.
363m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Wadi Ayun2368 km²
- Bassin de Wadi Ayun334 km²
1 intersecting protected areas
Najd Nature Reserve
IUCN VINature Reserve
121.71 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°
26,2°C
Annual rain
31mm
Moisture idx (CMI)
-0,98
Runoff
20mm/an
PET
1 916mm
AET
22mm
Mean slope
0,6°
Water table
94cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)