Ontologia

HydroBASINS lev08 watershed · #4081000540

Bassin de Sông Hồng

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 8 administrative regions : Bảo Thắng, Bảo Yên, Mù Căng Chải, Sa Pa, Than Uyên +3

Pfafstetter: 43684180

Sub-basin area

1 529,7km²

Upstream area

1 529,7km²

Discharge

42,56m³/s

Mean elev.

963m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sông Hồng683 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

8 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

767 distinct species · 3 062 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 062 obs · 24 cellules
Obs. / cellule
≥ 1 194
246–1 193
48–245
16–47
< 16

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°

19,1°C

Annual rain

1 831mm

Moisture idx (CMI)

0,33

Runoff

888mm/an

PET

1 205mm

AET

1 012mm

Mean slope

19,1°

Water table

601cm

Forest

19%

Crops

4%

Urban

1%

Protected

0%

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