Ontologia

HydroBASINS lev08 watershed · #4081025150

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 4 administrative regions : Ba Vì, Sơn Tây, Việt Trì, Vĩnh Tường

8% lakePfafstetter: 43681009

Sub-basin area

70,8km²

Upstream area

134 917,7km²

Discharge

3 274,06m³/s

Mean elev.

14m

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

26 distinct species · 31 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 obs · 1 cellules
Obs. / cellule
≥ 31
31–30
31–30
31–30
< 31

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°

23,4°C

Annual rain

1 654mm

Moisture idx (CMI)

0,19

Runoff

883mm/an

PET

1 336mm

AET

1 092mm

Mean slope

0,3°

Water table

20cm

Forest

0%

Crops

15%

Urban

85%

Protected

0%

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