HydroBASINS lev08 watershed · #2080021880
Bassin de l'Ay
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 : Manche
Sub-basin area
156,5km²
Upstream area
156,5km²
Discharge
3,36m³/s
Mean elev.
40m
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°
11,5°C
Annual rain
822mm
Moisture idx (CMI)
0,16
Runoff
684mm/an
PET
691mm
AET
536mm
Mean slope
1,2°
Water table
84cm
Forest
0%
Crops
32%
Urban
0%
Protected
81%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)