HydroBASINS lev08 watershed · #2080431930
Bassin de la Basse Selle
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 : Somme
Sub-basin area
37,8km²
Upstream area
3 774,6km²
Discharge
45,75m³/s
Mean elev.
56m
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°
10,3°C
Annual rain
644mm
Moisture idx (CMI)
-0,15
Runoff
451mm/an
PET
757mm
AET
529mm
Mean slope
1,3°
Water table
93cm
Forest
0%
Crops
51%
Urban
68%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)