HydroBASINS lev08 watershed · #2080997860
Bassin de وادي عطّاف
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 : Al Matammah, Harf Sufyan
Sub-basin area
151,2km²
Upstream area
6 369,9km²
Discharge
0,84m³/s
Mean elev.
1 468m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de وادي عطّاف2125 km²
- Bassin de وادي عطّاف981 km²
2 dept-equivalent regions (GADM L2)
- 115.0 km²76.3% of basin
- Harf SufyanAmran · Yemen35.7 km²23.7% of basin
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°
20,9°C
Annual rain
138mm
Moisture idx (CMI)
-0,92
Runoff
6mm/an
PET
1 765mm
AET
114mm
Mean slope
7,5°
Water table
588cm
Forest
0%
Crops
2%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)