HydroBASINS lev08 watershed · #3080325690
Bassin de Импенвеем
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 : Anadyrskiy rayon, Penzhinskiy rayon
Sub-basin area
856,8km²
Upstream area
1 381,3km²
Discharge
9,92m³/s
Mean elev.
597m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080331280400 km²
- Bassin · #3080331290124 km²
2 dept-equivalent regions (GADM L2)
- 528.6 km²61.3% of basin
- 333.5 km²38.7% of basin
1 intersecting protected areas
Parapolsky Dol
IUCN Not ReportedWetland of International Importance (Ramsar Site)
93.30 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
25 distinct species · 26 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°
-9,0°C
Annual rain
490mm
Moisture idx (CMI)
0,28
Runoff
273mm/an
PET
351mm
AET
287mm
Mean slope
9,1°
Water table
187cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)