HydroBASINS lev08 watershed · #2080357890
Bassin de Mała 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 5 administrative regions : Gniezno, Oborniki, Poznań, Wągrowiec, Żnin
Sub-basin area
683,1km²
Upstream area
683,1km²
Discharge
2,3m³/s
Mean elev.
103m
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
540mm
Moisture idx (CMI)
-0,26
Runoff
107mm/an
PET
731mm
AET
459mm
Mean slope
0,8°
Water table
95cm
Forest
16%
Crops
63%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)