Ontologia

HydroBASINS lev08 watershed · #4081021920

Bassin de Sông Lục Nam

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 : Hữu Lũng, Lục Nam, Lục Ngạn, Sơn Động

6% lakePfafstetter: 43670845

Sub-basin area

506,8km²

Upstream area

2 311,2km²

Discharge

50,15m³/s

Mean elev.

84m

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

9 distinct species · 9 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 obs · 5 cellules
Obs. / cellule
≥ 2
2–1
2–1
2–1
< 2

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°

23,2°C

Annual rain

1 527mm

Moisture idx (CMI)

0,15

Runoff

695mm/an

PET

1 290mm

AET

1 045mm

Mean slope

6,0°

Water table

249cm

Forest

4%

Crops

8%

Urban

10%

Protected

0%

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