Ontologia

HydroBASINS lev08 watershed · #4080995320

Bassin de Sông Hồng 红河

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 5 administrative regions across 2 countries : Bát Xát, Honghe Hani and Yi, Lào Cai, Sa Pa, Tam Đường

Pfafstetter: 43684301

Sub-basin area

345,7km²

Upstream area

34 785,3km²

Discharge

420,49m³/s

Mean elev.

676m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

21,0°C

Annual rain

1 771mm

Moisture idx (CMI)

0,27

Runoff

1 020mm/an

PET

1 274mm

AET

1 075mm

Mean slope

16,7°

Water table

546cm

Forest

12%

Crops

23%

Urban

6%

Protected

0%

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