HydroBASINS lev08 watershed · #3080166500
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
60km²
Upstream area
2 658,9km²
Discharge
13,47m³/s
Mean elev.
156m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #30801651001144 km²
- Bassin · #308016519029 km²
1 dept-equivalent regions (GADM L2)
- 60.5 km²100.0% of basin
1 intersecting protected areas
Kolyma
IUCN IINatural Park
60.46 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°
-12,7°C
Annual rain
215mm
Moisture idx (CMI)
-0,47
Runoff
158mm/an
PET
402mm
AET
210mm
Mean slope
4,9°
Water table
150cm
Forest
79%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)