HydroBASINS lev08 watershed · #3080493510
Bassin de Болван
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 : Asinovskiy rayon, Molchanovskiy rayon
Sub-basin area
294km²
Upstream area
129 509,3km²
Discharge
780,18m³/s
Mean elev.
105m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Чулым431 km²
- Bassin de Чулым290 km²
2 dept-equivalent regions (GADM L2)
- Asinovskiy rayonTomsk · Russia285.8 km²96.7% of basin
- Molchanovskiy rayonTomsk · Russia9.7 km²3.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 13 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°
-0,4°C
Annual rain
530mm
Moisture idx (CMI)
-0,13
Runoff
172mm/an
PET
608mm
AET
435mm
Mean slope
0,6°
Water table
4cm
Forest
89%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)