HydroBASINS lev08 watershed · #6080220080
Bassin de Rio Alalaú
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 : Novo Airão, Rorainópolis
Sub-basin area
208,7km²
Upstream area
8 971,5km²
Discharge
303,05m³/s
Mean elev.
55m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Alalaú522 km²
- Bassin de Rio Alalaú386 km²
2 dept-equivalent regions (GADM L2)
- 149.6 km²72.0% of basin
- 58.2 km²28.0% of basin
1 intersecting protected areas
Waimiri-Atroari
IUCN Not ReportedIndigenous Area
207.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 10 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°
27,2°C
Annual rain
2 112mm
Moisture idx (CMI)
0,20
Runoff
1 026mm/an
PET
1 693mm
AET
1 468mm
Mean slope
0,8°
Water table
10cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)