Ontologia

HydroBASINS lev08 watershed · #1080605720

Bassin · #1080605720

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, Gourma-Rharous

Pfafstetter: 14274406

Sub-basin area

920,5km²

Upstream area

920,5km²

Discharge

1,11m³/s

Mean elev.

306m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #108060662094 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    650.6 km²
    70.9% of basin
  • Gourma-Rharous
    Timbuktu · Mali
    262.6 km²
    28.6% of basin
  • Ansongo
    Gao · Mali
    4.1 km²
    0.5% 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

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

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

Hydroclimate (BasinATLAS lev08)

Mean T°

29,5°C

Annual rain

248mm

Moisture idx (CMI)

-0,88

Runoff

48mm/an

PET

2 125mm

AET

206mm

Mean slope

0,4°

Water table

165cm

Forest

0%

Crops

3%

Urban

1%

Protected

0%

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