Ontologia

HydroBASINS lev08 watershed · #1080561850

Bassin · #1080561850

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 3 administrative regions : Ansongo, Gao, Ménaka

Pfafstetter: 14276280

Sub-basin area

1 574,7km²

Upstream area

1 574,7km²

Discharge

0,44m³/s

Mean elev.

352m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #10805643601640 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    836.5 km²
    53.3% of basin
  • Ménaka
    Gao · Mali
    577.6 km²
    36.8% of basin
  • Ansongo
    Gao · Mali
    155.3 km²
    9.9% of basin

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

Species present

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~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°

29,3°C

Annual rain

175mm

Moisture idx (CMI)

-0,92

Runoff

19mm/an

PET

2 131mm

AET

144mm

Mean slope

0,4°

Water table

287cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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