HydroBASINS lev08 watershed · #4080885740
Bassin de Aai
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 : Bongaigaon, Goalpara
Sub-basin area
50,8km²
Upstream area
3 680,6km²
Discharge
108,89m³/s
Mean elev.
36m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #4080884960355 km²
- Bassin de Aai83 km²
2 dept-equivalent regions (GADM L2)
- 39.9 km²78.7% of basin
- 10.8 km²21.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 6 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°
24,5°C
Annual rain
2 737mm
Moisture idx (CMI)
0,50
Runoff
978mm/an
PET
1 375mm
AET
1 108mm
Mean slope
0,5°
Water table
18cm
Forest
0%
Crops
63%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)