HydroBASINS lev08 watershed · #6080363720
Bassin de Riacho 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 : Palmeirais, São Francisco do Maranhão
Sub-basin area
220,6km²
Upstream area
3 680,6km²
Discharge
22,34m³/s
Mean elev.
163m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Riacho Santana291 km²
- Bassin de Riacho Santana9 km²
2 dept-equivalent regions (GADM L2)
- 219.6 km²100.0% of basin
- 0.1 km²0.0% 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
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 270mm
Moisture idx (CMI)
-0,31
Runoff
214mm/an
PET
1 835mm
AET
1 008mm
Mean slope
3,3°
Water table
245cm
Forest
26%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)