HydroBASINS lev08 watershed · #2080432590
Bassin de la Semois
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 3 administrative regions across 2 countries : Ardennes, Luxembourg, Namur
Sub-basin area
1 335,1km²
Upstream area
1 335,1km²
Discharge
17,79m³/s
Mean elev.
385m
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°
8,5°C
Annual rain
1 062mm
Moisture idx (CMI)
0,31
Runoff
404mm/an
PET
726mm
AET
613mm
Mean slope
4,7°
Water table
248cm
Forest
67%
Crops
10%
Urban
1%
Protected
25%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)