HydroBASINS lev08 watershed · #4080817060
Bassin de STM61
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 across 2 countries : Nyingtri, Upper Subansiri
Sub-basin area
502,3km²
Upstream area
502,4km²
Discharge
39m³/s
Mean elev.
3 422m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 474.5 km²94.6% of basin
- 27.1 km²5.4% of basin
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°
7,8°C
Annual rain
716mm
Moisture idx (CMI)
-0,34
Runoff
2 432mm/an
PET
1 023mm
AET
567mm
Mean slope
28,4°
Water table
894cm
Forest
35%
Crops
4%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)