HydroBASINS lev08 watershed · #3080420980
Bassin de Большой Патом
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 : Bodaybinskiy rayon, Lenskiy rayon
Sub-basin area
2 726km²
Upstream area
20 701,8km²
Discharge
309,62m³/s
Mean elev.
476m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большой Патом395 km²
- Bassin de Большой Патом59 km²
2 dept-equivalent regions (GADM L2)
- Bodaybinskiy rayonIrkutsk · Russia2590.9 km²94.5% of basin
- 150.4 km²5.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
13 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°
-8,0°C
Annual rain
408mm
Moisture idx (CMI)
-0,25
Runoff
318mm/an
PET
542mm
AET
351mm
Mean slope
7,7°
Water table
151cm
Forest
95%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)