Ontologia

HydroBASINS lev08 watershed · #3080410610

Bassin de Обь

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 : Aleksandrovskiy rayon

66% lakePfafstetter: 31243510

Sub-basin area

1 377,1km²

Upstream area

754 405,9km²

Discharge

5 206,33m³/s

Mean elev.

55m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

  • Aleksandrovskiy rayon
    Tomsk · Russia
    1385.0 km²
    100.0% of basin

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

Species present

8 distinct species · 8 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 obs · 7 cellules
Obs. / cellule
≥ 2
2–1
1–1
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°

-2,4°C

Annual rain

518mm

Moisture idx (CMI)

-0,05

Runoff

170mm/an

PET

544mm

AET

415mm

Mean slope

3,2°

Water table

32cm

Forest

25%

Crops

0%

Urban

0%

Protected

0%

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