HydroBASINS lev08 watershed · #2080464550
Bassin de la Seine
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 : Essonne, Seine-et-Marne
Sub-basin area
1 199,6km²
Upstream area
26 496,1km²
Discharge
192,89m³/s
Mean elev.
98m
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°
10,9°C
Annual rain
645mm
Moisture idx (CMI)
-0,23
Runoff
199mm/an
PET
840mm
AET
543mm
Mean slope
1,3°
Water table
149cm
Forest
26%
Crops
41%
Urban
14%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)