Ontologia

HydroBASINS lev08 watershed · #4080069620

Bassin · #4080069620

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 : Quỳnh Nhai, Tuần Giáo, Tủa Chùa

EndorheicPfafstetter: 43685000

Sub-basin area

331,1km²

Upstream area

331,1km²

Discharge

3,08m³/s

Mean elev.

938m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sông Đà1812 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Tuần Giáo
    Điện Biên · Vietnam
    260.3 km²
    78.8% of basin
  • Tủa Chùa
    Điện Biên · Vietnam
    65.8 km²
    19.9% of basin
  • Quỳnh Nhai
    Sơn La · Vietnam
    4.2 km²
    1.3% of basin

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

Species present

16 distinct species · 33 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

33 obs · 5 cellules
Obs. / cellule
≥ 17
17–16
6–16
6–5
< 6

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°

19,9°C

Annual rain

1 786mm

Moisture idx (CMI)

0,26

Runoff

848mm/an

PET

1 325mm

AET

1 024mm

Mean slope

18,3°

Water table

654cm

Forest

3%

Crops

1%

Urban

0%

Protected

0%

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