HydroBASINS lev08 watershed · #2080021220
Bassin du Blavet
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 2 administrative regions : Côtes-d'Armor, Morbihan
Sub-basin area
2 054,1km²
Upstream area
2 054,2km²
Discharge
48,07m³/s
Mean elev.
148m
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°
10,8°C
Annual rain
912mm
Moisture idx (CMI)
0,24
Runoff
722mm/an
PET
695mm
AET
549mm
Mean slope
2,7°
Water table
169cm
Forest
1%
Crops
60%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)