Ontologia

HydroBASINS lev08 watershed · #4081008380

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 5 administrative regions : Bảo Thắng, Bảo Yên, Lục Yên, Văn Bàn, Văn Yên

Pfafstetter: 43684170

Sub-basin area

682,8km²

Upstream area

41 944km²

Discharge

611,33m³/s

Mean elev.

312m

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°

22,5°C

Annual rain

1 688mm

Moisture idx (CMI)

0,20

Runoff

997mm/an

PET

1 348mm

AET

1 114mm

Mean slope

14,5°

Water table

496cm

Forest

0%

Crops

15%

Urban

4%

Protected

0%

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