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

Not enough documented interactions to build a meaningful graph for this territory.

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)