HydroBASINS lev08 watershed · #2080455390
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 : Val-d'Oise, Yvelines
Sub-basin area
127,3km²
Upstream area
62 188,4km²
Discharge
430,12m³/s
Mean elev.
105m
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
630mm
Moisture idx (CMI)
-0,21
Runoff
229mm/an
PET
795mm
AET
530mm
Mean slope
2,5°
Water table
241cm
Forest
1%
Crops
51%
Urban
25%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)