Ontologia

HydroBASINS lev08 watershed · #1081183800

Bassin de Ngounié

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 2 administrative regions : Douya Onoye, Tsamba Mangotsi

Pfafstetter: 13342505

Sub-basin area

53,5km²

Upstream area

16 157,6km²

Discharge

496,75m³/s

Mean elev.

109m

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°

26,5°C

Annual rain

2 040mm

Moisture idx (CMI)

0,03

Runoff

1 101mm/an

PET

1 971mm

AET

1 573mm

Mean slope

1,3°

Water table

49cm

Forest

80%

Crops

2%

Urban

0%

Protected

0%

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