HydroBASINS lev08 watershed · #2080021800
Bassin de la Sélune
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 : Ille-et-Vilaine, Manche, Mayenne, Orne
Sub-basin area
1 046km²
Upstream area
1 046km²
Discharge
25,59m³/s
Mean elev.
141m
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°
10,6°C
Annual rain
766mm
Moisture idx (CMI)
0,00
Runoff
668mm/an
PET
763mm
AET
562mm
Mean slope
2,5°
Water table
168cm
Forest
0%
Crops
16%
Urban
0%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)