HydroBASINS lev08 watershed · #4080938080
Bassin de Son
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 : Palamu, Rohtas
Sub-basin area
154,3km²
Upstream area
65 784,8km²
Discharge
1 087,77m³/s
Mean elev.
184m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de North Koel River2139 km²
- Bassin de Son311 km²
2 dept-equivalent regions (GADM L2)
- 111.4 km²72.3% of basin
- 42.6 km²27.7% 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°
25,9°C
Annual rain
1 000mm
Moisture idx (CMI)
-0,41
Runoff
486mm/an
PET
1 706mm
AET
765mm
Mean slope
2,1°
Water table
123cm
Forest
5%
Crops
67%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)