HydroBASINS lev08 watershed · #2080191650
Bassin de Большая Умба
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 3 administrative regions : Medvezh'egorskiy rayon, Onezhskiy rayon, Pudozhskiy rayon
Sub-basin area
346,7km²
Upstream area
346,7km²
Discharge
3,39m³/s
Mean elev.
175m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 167.5 km²48.0% of basin
- Onezhskiy rayonArkhangel'sk · Russia129.3 km²37.1% of basin
- 52.0 km²14.9% of basin
1 intersecting protected areas
Vodlozersky
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
244.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
1,2°C
Annual rain
632mm
Moisture idx (CMI)
0,22
Runoff
305mm/an
PET
494mm
AET
390mm
Mean slope
3,3°
Water table
54cm
Forest
28%
Crops
0%
Urban
0%
Protected
70%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)