HydroBASINS lev08 watershed · #2080497450
Bassin de la Loire - Bras Saint-Jean
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 : Maine-et-Loire
Sub-basin area
12km²
Upstream area
86 269,2km²
Discharge
782,82m³/s
Mean elev.
29m
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°
11,6°C
Annual rain
652mm
Moisture idx (CMI)
-0,25
Runoff
227mm/an
PET
868mm
AET
550mm
Mean slope
0,8°
Water table
83cm
Forest
0%
Crops
29%
Urban
22%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)