HydroBASINS lev08 watershed · #2080574420
Bassin de Sieve
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 : Arezzo, Florence, Prato
Sub-basin area
838,9km²
Upstream area
839km²
Discharge
11,96m³/s
Mean elev.
489m
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°
11,7°C
Annual rain
900mm
Moisture idx (CMI)
0,04
Runoff
441mm/an
PET
866mm
AET
632mm
Mean slope
12,6°
Water table
399cm
Forest
69%
Crops
11%
Urban
5%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)