HydroBASINS lev08 watershed · #2080021350
Bassin de l'Aulne
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 3 administrative regions : Côtes-d'Armor, Finistère, Morbihan
Sub-basin area
1 789,2km²
Upstream area
1 789,5km²
Discharge
64,46m³/s
Mean elev.
158m
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°
10,7°C
Annual rain
1 024mm
Moisture idx (CMI)
0,34
Runoff
932mm/an
PET
671mm
AET
553mm
Mean slope
3,7°
Water table
219cm
Forest
2%
Crops
39%
Urban
1%
Protected
36%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)