HydroBASINS lev08 watershed · #3080111700
Bassin de протока Полоусная
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 : Abyyskiy rayon, Allaikhovskiy rayon
Sub-basin area
381,5km²
Upstream area
297 982,1km²
Discharge
1 566,94m³/s
Mean elev.
51m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Индигирка247 km²
- Bassin de Индигирка76 km²
2 dept-equivalent regions (GADM L2)
- 302.6 km²78.7% of basin
- 81.7 km²21.3% of basin
2 intersecting protected areas
Ozero Ozhogino
IUCN VIResource Reserve
187.53 km² overlap
Bassejn SHangina
IUCN VIResource Reserve
3.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 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°
-13,4°C
Annual rain
222mm
Moisture idx (CMI)
-0,35
Runoff
229mm/an
PET
344mm
AET
210mm
Mean slope
3,7°
Water table
69cm
Forest
26%
Crops
0%
Urban
0%
Protected
65%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)