HydroBASINS lev08 watershed · #2080455290
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 9 administrative regions : Essonne, Hauts-de-Seine, Oise, Paris, Seine-Saint-Denis +4
Sub-basin area
1 088,5km²
Upstream area
44 526,2km²
Discharge
304,65m³/s
Mean elev.
84m
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
646mm
Moisture idx (CMI)
-0,21
Runoff
201mm/an
PET
816mm
AET
544mm
Mean slope
1,7°
Water table
174cm
Forest
5%
Crops
11%
Urban
89%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)