HydroBASINS lev08 watershed · #2080577790
Bassin de l'Arn
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 : Aude, Hérault, Tarn
Sub-basin area
564km²
Upstream area
564km²
Discharge
9,19m³/s
Mean elev.
626m
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°
11,2°C
Annual rain
833mm
Moisture idx (CMI)
-0,08
Runoff
506mm/an
PET
912mm
AET
662mm
Mean slope
8,6°
Water table
352cm
Forest
86%
Crops
7%
Urban
5%
Protected
49%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)