HydroBASINS lev08 watershed · #2080478220
Bassin de l'Ernée
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 : Mayenne
Sub-basin area
421,1km²
Upstream area
421,2km²
Discharge
5,77m³/s
Mean elev.
153m
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°
10,5°C
Annual rain
753mm
Moisture idx (CMI)
-0,05
Runoff
440mm/an
PET
794mm
AET
569mm
Mean slope
2,2°
Water table
187cm
Forest
1%
Crops
25%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)