HydroBASINS lev08 watershed · #3080176150
Bassin de Седедема
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 2 administrative regions : Srednekolymskiy rayon, Verkhnekolymskiy rayon
Sub-basin area
1 710,7km²
Upstream area
3 874,4km²
Discharge
21,69m³/s
Mean elev.
140m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #3080165880263 km²
- Bassin de Сылгы-Юрях92 km²
2 dept-equivalent regions (GADM L2)
- 1708.1 km²99.2% of basin
- 14.6 km²0.8% of basin
1 intersecting protected areas
Bassejn Ozhogino
IUCN VIResource Reserve
1236.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
-12,8°C
Annual rain
236mm
Moisture idx (CMI)
-0,42
Runoff
169mm/an
PET
408mm
AET
224mm
Mean slope
5,6°
Water table
86cm
Forest
56%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)