HydroBASINS lev08 watershed · #2080091610
Bassin de وادي هويشلة
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 2 administrative regions : Afif, Dariyah
Sub-basin area
493,9km²
Upstream area
493,9km²
Discharge
0,09m³/s
Mean elev.
1 026m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 482.1 km²97.8% of basin
- 10.7 km²2.2% of basin
1 intersecting protected areas
Nafud al-‘Urayq
IUCN VIProtected Area
187.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 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°
23,8°C
Annual rain
135mm
Moisture idx (CMI)
-0,93
Runoff
12mm/an
PET
1 932mm
AET
111mm
Mean slope
3,0°
Water table
748cm
Forest
0%
Crops
0%
Urban
0%
Protected
37%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)