Ontologia

HydroBASINS lev08 watershed · #1080581160

Bassin · #1080581160

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 : Ansongo, Gao

Pfafstetter: 14275064

Sub-basin area

887,5km²

Upstream area

887,6km²

Discharge

1,78m³/s

Mean elev.

303m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #1080589760557 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Gao
    Gao · Mali
    798.3 km²
    90.3% of basin
  • Ansongo
    Gao · Mali
    86.2 km²
    9.7% of basin

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

Species present

1 distinct species · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 1 cellules
Obs. / cellule
≥ 2
2–1
2–1
2–1
< 2

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°

29,2°C

Annual rain

207mm

Moisture idx (CMI)

-0,90

Runoff

64mm/an

PET

2 111mm

AET

171mm

Mean slope

0,4°

Water table

248cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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