HydroBASINS lev08 watershed · #6080440430
Bassin de Riacho de Santana
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 2 administrative regions : Alvorada do Gurguéia, Cristino Castro
Sub-basin area
53,2km²
Upstream area
3 925km²
Discharge
6,55m³/s
Mean elev.
285m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Baixão Grande567 km²
- Bassin de Riacho da Suriema431 km²
2 dept-equivalent regions (GADM L2)
- 44.6 km²84.2% of basin
- 8.4 km²15.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
26,9°C
Annual rain
914mm
Moisture idx (CMI)
-0,52
Runoff
147mm/an
PET
1 919mm
AET
772mm
Mean slope
3,0°
Water table
367cm
Forest
89%
Crops
1%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)