HydroBASINS lev08 watershed · #3080000690
Bassin de Седаяха
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
528,8km²
Upstream area
528,8km²
Discharge
1,23m³/s
Mean elev.
14m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 503.7 km²94.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 distinct species · 8 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°
-9,2°C
Annual rain
229mm
Moisture idx (CMI)
-0,03
Runoff
256mm/an
PET
236mm
AET
191mm
Mean slope
1,6°
Water table
33cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)