HydroBASINS lev08 watershed · #2080020450
Bassin de Crasse de Nézer
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
276,5km²
Upstream area
276,8km²
Discharge
4,35m³/s
Mean elev.
23m
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°
13,0°C
Annual rain
1 125mm
Moisture idx (CMI)
0,18
Runoff
501mm/an
PET
919mm
AET
725mm
Mean slope
1,7°
Water table
83cm
Forest
61%
Crops
11%
Urban
19%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)