HydroBASINS lev08 watershed · #3080166490
Bassin de Сивер
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 1 administrative regions : Srednekolymskiy rayon
Sub-basin area
152km²
Upstream area
152,1km²
Discharge
0,79m³/s
Mean elev.
231m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 153.1 km²100.0% of basin
1 intersecting protected areas
Kolyma
IUCN IINatural Park
153.10 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°
-13,2°C
Annual rain
220mm
Moisture idx (CMI)
-0,44
Runoff
165mm/an
PET
394mm
AET
212mm
Mean slope
4,5°
Water table
111cm
Forest
92%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)