HydroBASINS lev08 watershed · #2080497240
Bassin de l'Authion
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 : Indre-et-Loire, Maine-et-Loire
Sub-basin area
1 311,5km²
Upstream area
1 311,5km²
Discharge
8,24m³/s
Mean elev.
58m
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°
11,4°C
Annual rain
679mm
Moisture idx (CMI)
-0,22
Runoff
197mm/an
PET
872mm
AET
569mm
Mean slope
1,1°
Water table
74cm
Forest
15%
Crops
41%
Urban
1%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)