HydroBASINS lev08 watershed · #3080102920
Bassin de Семён-Юрэх
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 : Nizhnekolymskiy rayon
Sub-basin area
452,2km²
Upstream area
2 040,3km²
Discharge
2,39m³/s
Mean elev.
-13m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Семён-Юрэх318 km²
- Bassin de Семён-Юрэх223 km²
1 dept-equivalent regions (GADM L2)
- 455.5 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 5 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°
-13,5°C
Annual rain
155mm
Moisture idx (CMI)
-0,56
Runoff
55mm/an
PET
350mm
AET
170mm
Mean slope
11,8°
Water table
185cm
Forest
3%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)