HydroBASINS lev08 watershed · #3080224330
Bassin de Булун
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 : Srednekanskiy rayon, Srednekolymskiy rayon
Sub-basin area
1 377,1km²
Upstream area
1 377,1km²
Discharge
5,9m³/s
Mean elev.
293m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1386.1 km²100.0% of basin
- 0.2 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 5 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°
-12,4°C
Annual rain
255mm
Moisture idx (CMI)
-0,39
Runoff
157mm/an
PET
419mm
AET
236mm
Mean slope
2,8°
Water table
68cm
Forest
67%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)