HydroBASINS lev08 watershed · #3080192030
Bassin de Большая Осиновая
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 : Anadyrskiy rayon
Sub-basin area
973,7km²
Upstream area
9 266,8km²
Discharge
83,44m³/s
Mean elev.
163m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Большая Осиновая1741 km²
- Bassin de Тыльпэгыргын523 km²
1 dept-equivalent regions (GADM L2)
- 980.3 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 12 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°
-10,8°C
Annual rain
257mm
Moisture idx (CMI)
-0,19
Runoff
244mm/an
PET
319mm
AET
223mm
Mean slope
4,0°
Water table
77cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)