HydroBASINS lev08 watershed · #2080020830
Bassin du Lay
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 1 administrative regions : Vendée
Sub-basin area
1 998,9km²
Upstream area
1 998,9km²
Discharge
34,34m³/s
Mean elev.
72m
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°
11,9°C
Annual rain
778mm
Moisture idx (CMI)
-0,05
Runoff
527mm/an
PET
816mm
AET
578mm
Mean slope
1,5°
Water table
104cm
Forest
0%
Crops
58%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)