Ontologia

HydroBASINS lev08 watershed · #1081423910

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: 13135025

Sub-basin area

30,3km²

Upstream area

2 941,8km²

Discharge

7,64m³/s

Mean elev.

355m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Bibala
    Namibe · Angola
    22.8 km²
    75.4% of basin
  • Virei
    Namibe · Angola
    7.4 km²
    24.6% 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

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~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°

23,1°C

Annual rain

252mm

Moisture idx (CMI)

-0,84

Runoff

45mm/an

PET

1 528mm

AET

214mm

Mean slope

8,1°

Water table

544cm

Forest

0%

Crops

4%

Urban

0%

Protected

0%

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