Ontologia

HydroBASINS lev08 watershed · #4081027110

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 4 administrative regions : Bắc Yên, Mộc Châu, Phù Yên, Yên Châu

Pfafstetter: 43685017

Sub-basin area

435,2km²

Upstream area

47 465km²

Discharge

1 280,62m³/s

Mean elev.

601m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

  • Mộc Châu
    Sơn La · Vietnam
    185.0 km²
    42.6% of basin
  • Phù Yên
    Sơn La · Vietnam
    116.1 km²
    26.7% of basin
  • Bắc Yên
    Sơn La · Vietnam
    84.8 km²
    19.5% of basin
  • Yên Châu
    Sơn La · Vietnam
    48.1 km²
    11.1% of basin

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

Species present

119 distinct species · 301 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

301 obs · 5 cellules
Obs. / cellule
≥ 124
124–123
83–123
82–82
< 82

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°

21,0°C

Annual rain

1 386mm

Moisture idx (CMI)

0,04

Runoff

657mm/an

PET

1 327mm

AET

957mm

Mean slope

15,7°

Water table

596cm

Forest

13%

Crops

12%

Urban

0%

Protected

0%

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