HydroBASINS lev08 watershed · #2080567820
Bassin de la Séoune
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 4 administrative regions : Gers, Lot, Lot-et-Garonne, Tarn-et-Garonne
Sub-basin area
832,6km²
Upstream area
32 953,5km²
Discharge
367,08m³/s
Mean elev.
156m
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°
12,3°C
Annual rain
775mm
Moisture idx (CMI)
-0,21
Runoff
258mm/an
PET
984mm
AET
651mm
Mean slope
4,2°
Water table
265cm
Forest
0%
Crops
95%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)