HydroBASINS lev08 watershed · #3080057100
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
278km²
Upstream area
202 718,6km²
Discharge
1 215,54m³/s
Mean elev.
137m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Оленёк439 km²
- Bassin · #3080058410312 km²
1 dept-equivalent regions (GADM L2)
- 280.1 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 distinct species · 11 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°
-14,9°C
Annual rain
244mm
Moisture idx (CMI)
-0,22
Runoff
180mm/an
PET
314mm
AET
217mm
Mean slope
6,3°
Water table
110cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)