HydroBASINS lev08 watershed · #2080020460
Bassin de la Grande Leyre
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 : Gironde, Landes
Sub-basin area
2 314,7km²
Upstream area
2 314,8km²
Discharge
31,74m³/s
Mean elev.
71m
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°
12,6°C
Annual rain
1 038mm
Moisture idx (CMI)
0,07
Runoff
477mm/an
PET
965mm
AET
720mm
Mean slope
0,7°
Water table
52cm
Forest
89%
Crops
6%
Urban
1%
Protected
95%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)