Ontologia

HydroBASINS lev08 watershed · #4081031660

Bassin de ນ້ຳອູ

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 1 administrative regions : Ngoi

Pfafstetter: 44280034

Sub-basin area

327km²

Upstream area

327km²

Discharge

6,31m³/s

Mean elev.

831m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de ນ້ຳອູ787 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

  • Ngoi
    Louangphrabang · Laos
    326.1 km²
    100.0% of basin

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

Species present

2 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 obs · 2 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°

21,4°C

Annual rain

1 627mm

Moisture idx (CMI)

0,08

Runoff

609mm/an

PET

1 492mm

AET

997mm

Mean slope

16,8°

Water table

523cm

Forest

2%

Crops

1%

Urban

0%

Protected

0%

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