Ontologia

HydroBASINS lev08 watershed · #1081423900

Bassin de Giraúl

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 : Bibala, Virei

Pfafstetter: 13135023

Sub-basin area

2,8km²

Upstream area

3 414,7km²

Discharge

8,85m³/s

Mean elev.

305m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Bibala
    Namibe · Angola
    1.4 km²
    50.7% of basin
  • Virei
    Namibe · Angola
    1.4 km²
    49.3% of basin

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

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

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°

23,1°C

Annual rain

227mm

Moisture idx (CMI)

-0,85

Runoff

43mm/an

PET

1 516mm

AET

193mm

Mean slope

7,5°

Water table

230cm

Forest

0%

Crops

8%

Urban

0%

Protected

0%

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