HydroBASINS lev08 watershed · #1080538010
Bassin de Afassas
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 : Tchighozerine
Sub-basin area
229,5km²
Upstream area
1 726,6km²
Discharge
2,38m³/s
Mean elev.
780m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #1080531730756 km²
- Bassin de Afassas741 km²
1 dept-equivalent regions (GADM L2)
- 228.8 km²100.0% of basin
3 intersecting protected areas
Gueltas et Oasis de l'Aïr
IUCN IbWetland of International Importance (Ramsar Site)
202.99 km² overlap
Aïr et Ténéré
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
58.11 km² overlap
Aïr and Ténéré Natural Reserves
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
58.11 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°
25,9°C
Annual rain
60mm
Moisture idx (CMI)
-0,97
Runoff
41mm/an
PET
2 063mm
AET
47mm
Mean slope
1,1°
Water table
890cm
Forest
0%
Crops
0%
Urban
0%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)