HydroBASINS lev08 watershed · #6080312260
Bassin de Riachão
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 6 administrative regions : Barras, Cabeceiras do Piauí, José de Freitas, Lagoa Alegre, Miguel Alves +1
Sub-basin area
673,8km²
Upstream area
673,8km²
Discharge
6,22m³/s
Mean elev.
113m
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°
26,9°C
Annual rain
1 579mm
Moisture idx (CMI)
-0,16
Runoff
278mm/an
PET
1 872mm
AET
1 061mm
Mean slope
0,8°
Water table
38cm
Forest
36%
Crops
11%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)