HydroBASINS lev08 watershed · #4080128870
Bassin de Удумин
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 : Komsomol'skiy rayon, Vaninskiy rayon
Sub-basin area
342,7km²
Upstream area
342,7km²
Discharge
2,65m³/s
Mean elev.
785m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Vaninskiy rayonKhabarovsk · Russia337.8 km²98.2% of basin
- Komsomol'skiy rayonKhabarovsk · Russia6.1 km²1.8% of basin
1 intersecting protected areas
Verhnetumninskij
IUCN IVState Natural Zakaznik
21.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
-4,2°C
Annual rain
715mm
Moisture idx (CMI)
0,29
Runoff
264mm/an
PET
503mm
AET
465mm
Mean slope
11,4°
Water table
241cm
Forest
47%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)