HydroBASINS lev08 watershed · #2080189300
Bassin de Сомба
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 : Onezhskiy rayon, Plesetskiy rayon
Sub-basin area
402,9km²
Upstream area
403km²
Discharge
3,67m³/s
Mean elev.
126m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Onezhskiy rayonArkhangel'sk · Russia303.0 km²74.8% of basin
- Plesetskiy rayonArkhangel'sk · Russia102.4 km²25.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
12 distinct species · 14 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
626mm
Moisture idx (CMI)
0,17
Runoff
286mm/an
PET
518mm
AET
407mm
Mean slope
4,3°
Water table
111cm
Forest
89%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)