HydroBASINS lev08 watershed · #3080510350
Bassin de Большая Тира
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
190,6km²
Upstream area
5 099,1km²
Discharge
26,3m³/s
Mean elev.
447m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Малая Тира2027 km²
- Bassin de Большая Тира840 km²
1 dept-equivalent regions (GADM L2)
- Kirenskiy rayonIrkutsk · Russia191.6 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°
-4,7°C
Annual rain
397mm
Moisture idx (CMI)
-0,34
Runoff
151mm/an
PET
606mm
AET
345mm
Mean slope
5,3°
Water table
105cm
Forest
99%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)