Ontologia

HydroBASINS lev08 watershed · #4081003630

Bassin de Sông Đà

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 : Sìn Hồ, Tủa Chùa

Pfafstetter: 43685077

Sub-basin area

33,3km²

Upstream area

36 030,6km²

Discharge

968,06m³/s

Mean elev.

588m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sông Đà832 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Tủa Chùa
    Điện Biên · Vietnam
    27.2 km²
    81.9% of basin
  • Sìn Hồ
    Lai Châu · Vietnam
    6.0 km²
    18.1% of basin

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.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~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°

22,0°C

Annual rain

1 778mm

Moisture idx (CMI)

0,20

Runoff

1 110mm/an

PET

1 427mm

AET

1 094mm

Mean slope

20,9°

Water table

729cm

Forest

0%

Crops

1%

Urban

0%

Protected

0%

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