HydroBASINS lev08 watershed · #3080173860
Bassin de Верхняя Томба
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 : Olenekskiy rayon
Sub-basin area
133,2km²
Upstream area
2 952,8km²
Discharge
12,24m³/s
Mean elev.
359m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Велингна1037 km²
- Bassin de Велингна389 km²
1 dept-equivalent regions (GADM L2)
- 134.2 km²100.0% of basin
1 intersecting protected areas
Alakit
IUCN VIResource Reserve
134.17 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
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°
-12,0°C
Annual rain
301mm
Moisture idx (CMI)
-0,25
Runoff
136mm/an
PET
404mm
AET
267mm
Mean slope
4,0°
Water table
82cm
Forest
71%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)