HydroBASINS lev08 watershed · #2080526050
Bassin de l'Arve
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 6 administrative regions across 3 countries : Aosta, Genève, Haute-Savoie, Martigny, Monthey +1
Sub-basin area
1 969,7km²
Upstream area
1 969,7km²
Discharge
52,69m³/s
Mean elev.
1 367m
Administrative coverage
Species present
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°
5,3°C
Annual rain
1 339mm
Moisture idx (CMI)
0,42
Runoff
848mm/an
PET
695mm
AET
615mm
Mean slope
19,3°
Water table
577cm
Forest
67%
Crops
6%
Urban
11%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)