HydroBASINS lev08 watershed · #3080054590
Bassin de Оленёк
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 1 administrative regions : Bulunskiy rayon
Sub-basin area
400,3km²
Upstream area
204 061km²
Discharge
1 222,42m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080056620594 km²
- Bassin de Оленёк139 km²
1 dept-equivalent regions (GADM L2)
- 403.4 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 18 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°
-14,7°C
Annual rain
230mm
Moisture idx (CMI)
-0,27
Runoff
167mm/an
PET
315mm
AET
209mm
Mean slope
5,2°
Water table
89cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)