HydroBASINS lev08 watershed · #3080000660
Bassin de Сядоръяха
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 : Yamal'skiy rayon
Sub-basin area
77,5km²
Upstream area
3 204,7km²
Discharge
24,27m³/s
Mean elev.
18m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Пухуцяяха900 km²
- Bassin de Сядоръяха54 km²
1 dept-equivalent regions (GADM L2)
- 76.8 km²98.3% of basin
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°
-8,9°C
Annual rain
232mm
Moisture idx (CMI)
-0,06
Runoff
239mm/an
PET
247mm
AET
197mm
Mean slope
6,5°
Water table
83cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)