HydroBASINS lev08 watershed · #2080991480
Bassin de Wadi Aydam
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 across 2 countries : Hawf, Salalah, Shahan, Thumrait
Sub-basin area
1 094,8km²
Upstream area
1 094,8km²
Discharge
0,03m³/s
Mean elev.
894m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 527.2 km²48.3% of basin
- 363.5 km²33.3% of basin
- 164.2 km²15.1% of basin
- 36.2 km²3.3% of basin
1 intersecting protected areas
Najd Nature Reserve
IUCN VINature Reserve
11.33 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
22,5°C
Annual rain
78mm
Moisture idx (CMI)
-0,95
Runoff
10mm/an
PET
1 641mm
AET
64mm
Mean slope
5,7°
Water table
526cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)