HydroBASINS lev08 watershed · #2080356460
Bassin de Wełna
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 : Gniezno, Wągrowiec, Żnin
Sub-basin area
821,5km²
Upstream area
821,7km²
Discharge
2,73m³/s
Mean elev.
104m
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°
7,9°C
Annual rain
541mm
Moisture idx (CMI)
-0,26
Runoff
107mm/an
PET
730mm
AET
460mm
Mean slope
0,7°
Water table
74cm
Forest
13%
Crops
66%
Urban
5%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)