HydroBASINS lev08 watershed · #6080408890
Bassin de Rio Piauí
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 9 administrative regions : Brejo do Piauí, Flores do Piauí, Pajeú do Piauí, Pedro Laurentino, Ribeira do Piauí +4
Sub-basin area
2 257,9km²
Upstream area
28 685,7km²
Discharge
6,28m³/s
Mean elev.
265m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho do Girau419 km²
- Bassin de Riacho Fundo401 km²
9 dept-equivalent regions (GADM L2)
- 614.1 km²27.3% of basin
- 594.9 km²26.5% of basin
- 570.4 km²25.4% of basin
- 326.8 km²14.5% of basin
- 95.6 km²4.3% of basin
- 38.2 km²1.7% of basin
- 3.9 km²0.2% of basin
- 3.8 km²0.2% of basin
1 moreFull L2 list
- São João do Piauí0.4 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
22 distinct species · 46 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
27,0°C
Annual rain
778mm
Moisture idx (CMI)
-0,61
Runoff
45mm/an
PET
1 988mm
AET
656mm
Mean slope
2,3°
Water table
428cm
Forest
49%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)