Ontologia

HydroBASINS lev08 watershed · #4081006410

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 : Mường Chà, Nậm Nhùn, Sìn Hồ, Thị Xã Mường Lay

Pfafstetter: 43685090

Sub-basin area

68,4km²

Upstream area

32 728,3km²

Discharge

872,84m³/s

Mean elev.

767m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

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

Species present

3 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 1 cellules
Obs. / cellule
≥ 4
4–3
4–3
4–3
< 4

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 778mm

Moisture idx (CMI)

0,21

Runoff

1 076mm/an

PET

1 399mm

AET

1 064mm

Mean slope

26,6°

Water table

997cm

Forest

11%

Crops

1%

Urban

0%

Protected

0%

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