HydroBASINS lev08 watershed · #2080432580
Bassin de l'Hallue
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
275,3km²
Upstream area
2 459,6km²
Discharge
29,74m³/s
Mean elev.
91m
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°
10,0°C
Annual rain
659mm
Moisture idx (CMI)
-0,12
Runoff
453mm/an
PET
746mm
AET
531mm
Mean slope
2,1°
Water table
112cm
Forest
0%
Crops
70%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)