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
Not enough documented interactions to build a meaningful graph for this territory.
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)