HydroBASINS lev08 watershed · #6080367730
Bassin de Riacho do Bastião
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 1 administrative regions : São Francisco do Maranhão
Sub-basin area
86,7km²
Upstream area
2 934,2km²
Discharge
17,8m³/s
Mean elev.
173m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Igarapé Mucura984 km²
- Bassin de Riacho do Bastião368 km²
1 dept-equivalent regions (GADM L2)
- 86.3 km²100.0% 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 241mm
Moisture idx (CMI)
-0,32
Runoff
202mm/an
PET
1 828mm
AET
994mm
Mean slope
3,8°
Water table
214cm
Forest
9%
Crops
8%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)