HydroBASINS lev08 watershed · #2080539770
Bassin de l'Arc
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 : Hautes-Alpes, Isère, Savoie, Torino
Sub-basin area
1 980,1km²
Upstream area
1 980,1km²
Discharge
28,69m³/s
Mean elev.
2 022m
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°
2,6°C
Annual rain
1 467mm
Moisture idx (CMI)
0,55
Runoff
523mm/an
PET
583mm
AET
541mm
Mean slope
24,2°
Water table
808cm
Forest
58%
Crops
1%
Urban
0%
Protected
40%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)