HydroBASINS lev08 watershed · #3080402490
Bassin de Намана
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 : Olekminskiy rayon
Sub-basin area
83,5km²
Upstream area
784 089,2km²
Discharge
7 156,21m³/s
Mean elev.
276m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Лена1542 km²
- Bassin de Намана1519 km²
1 dept-equivalent regions (GADM L2)
- 84.0 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°
-7,1°C
Annual rain
325mm
Moisture idx (CMI)
-0,43
Runoff
43mm/an
PET
569mm
AET
290mm
Mean slope
4,9°
Water table
111cm
Forest
87%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)