HydroBASINS lev08 watershed · #3080511070
Bassin de Улькан
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 : Kirenskiy rayon
Sub-basin area
28km²
Upstream area
86 103km²
Discharge
442,98m³/s
Mean elev.
379m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Лена1323 km²
- Bassin de Большая Тира191 km²
1 dept-equivalent regions (GADM L2)
- Kirenskiy rayonIrkutsk · Russia28.1 km²100.0% of basin
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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydroclimate (BasinATLAS lev08)
Mean T°
-4,3°C
Annual rain
385mm
Moisture idx (CMI)
-0,38
Runoff
161mm/an
PET
618mm
AET
337mm
Mean slope
6,5°
Water table
266cm
Forest
100%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)