HydroBASINS lev08 watershed · #6080425140
Bassin de Riacho do Girau
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 : Brejo do Piauí, Ribeira do Piauí, Socorro do Piauí
Sub-basin area
418,5km²
Upstream area
19 845,6km²
Discharge
17,38m³/s
Mean elev.
303m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho Baixa da Lima1257 km²
- Bassin de Rio Piauí311 km²
3 dept-equivalent regions (GADM L2)
- 273.0 km²65.5% of basin
- 95.1 km²22.8% of basin
- 48.6 km²11.7% of basin
1 intersecting protected areas
Environmental Protection Area
33.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 12 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°
26,8°C
Annual rain
769mm
Moisture idx (CMI)
-0,62
Runoff
32mm/an
PET
2 022mm
AET
649mm
Mean slope
1,4°
Water table
547cm
Forest
57%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)