Ontologia

HydroBASINS lev08 watershed · #4081011990

Bassin · #4081011990

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 2 administrative regions : Tuần Giáo, Tủa Chùa

Pfafstetter: 43685082

Sub-basin area

376,6km²

Upstream area

376,6km²

Discharge

10,46m³/s

Mean elev.

833m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Nậm Mức393 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Tuần Giáo
    Điện Biên · Vietnam
    299.8 km²
    79.8% of basin
  • Tủa Chùa
    Điện Biên · Vietnam
    75.9 km²
    20.2% of basin

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

Species present

18 distinct species · 39 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 obs · 5 cellules
Obs. / cellule
≥ 14
14–13
11–13
9–10
< 9

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°

20,5°C

Annual rain

1 794mm

Moisture idx (CMI)

0,24

Runoff

876mm/an

PET

1 370mm

AET

1 041mm

Mean slope

17,7°

Water table

675cm

Forest

1%

Crops

1%

Urban

2%

Protected

0%

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