HydroBASINS lev08 watershed · #2080022150
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 : Eure, Seine-Maritime
Sub-basin area
1 953,2km²
Upstream area
73 249,2km²
Discharge
553,53m³/s
Mean elev.
101m
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°
10,3°C
Annual rain
698mm
Moisture idx (CMI)
-0,10
Runoff
569mm/an
PET
779mm
AET
547mm
Mean slope
2,7°
Water table
145cm
Forest
11%
Crops
35%
Urban
17%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)