Ontologia

HydroBASINS lev08 watershed · #4081003750

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 3 administrative regions : Mường Chà, Sìn Hồ, Tủa Chùa

Pfafstetter: 43685079

Sub-basin area

128,8km²

Upstream area

35 848,3km²

Discharge

961,02m³/s

Mean elev.

990m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

  • Tủa Chùa
    Điện Biên · Vietnam
    66.2 km²
    51.5% of basin
  • Sìn Hồ
    Lai Châu · Vietnam
    62.0 km²
    48.2% of basin
  • Mường Chà
    Điện Biên · Vietnam
    0.3 km²
    0.3% of basin

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

Species present

8 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 1 cellules
Obs. / cellule
≥ 10
10–9
10–9
10–9
< 10

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°

19,7°C

Annual rain

1 791mm

Moisture idx (CMI)

0,27

Runoff

1 090mm/an

PET

1 312mm

AET

1 033mm

Mean slope

25,5°

Water table

959cm

Forest

18%

Crops

2%

Urban

0%

Protected

0%

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