HydroBASINS lev08 watershed · #3080363190
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 3 administrative regions : Olekminskiy rayon, Suntarskiy rayon, Verkhnevilyuyskiy rayon
Sub-basin area
29,4km²
Upstream area
4 430,1km²
Discharge
9,52m³/s
Mean elev.
212m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Намана906 km²
- Bassin de Улахан-Арбай633 km²
3 dept-equivalent regions (GADM L2)
- 28.3 km²95.8% of basin
- 1.0 km²3.5% of basin
- 0.2 km²0.7% of basin
3 intersecting protected areas
Kejikte
IUCN VIResource Reserve
17.36 km² overlap
Kempendyaj
IUCN VIResource Reserve
5.17 km² overlap
Tuobuja (Tobuya, Tobuja)
IUCN VIResource Reserve
0.39 km² overlap
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°
-7,6°C
Annual rain
298mm
Moisture idx (CMI)
-0,47
Runoff
74mm/an
PET
561mm
AET
271mm
Mean slope
2,1°
Water table
28cm
Forest
100%
Crops
0%
Urban
0%
Protected
90%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)