Ontologia

HydroBASINS lev08 watershed · #3080169550

Bassin de Нижняя 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

Pfafstetter: 33189061

Sub-basin area

259,8km²

Upstream area

3 657,6km²

Discharge

17,36m³/s

Mean elev.

315m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Оленёк2460 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Alakit

    IUCN VI

    Resource Reserve

    261.12 km² overlap

  • Alakit

    IUCN VI

    Resource Reserve

    0.48 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

3 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 obs · 3 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

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

Hydroclimate (BasinATLAS lev08)

Mean T°

-11,9°C

Annual rain

298mm

Moisture idx (CMI)

-0,26

Runoff

144mm/an

PET

404mm

AET

266mm

Mean slope

2,4°

Water table

60cm

Forest

80%

Crops

0%

Urban

0%

Protected

100%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)