HydroBASINS lev08 watershed · #2080453420
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 3 administrative regions : Eure, Val-d'Oise, Yvelines
Sub-basin area
225,4km²
Upstream area
62 597,6km²
Discharge
424,7m³/s
Mean elev.
89m
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°
10,4°C
Annual rain
625mm
Moisture idx (CMI)
-0,21
Runoff
275mm/an
PET
794mm
AET
526mm
Mean slope
2,9°
Water table
225cm
Forest
6%
Crops
45%
Urban
19%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)