Ontologia

HydroBASINS lev08 watershed · #1080606270

Bassin · #1080606270

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: 14274408

Sub-basin area

241,3km²

Upstream area

241,3km²

Discharge

0,33m³/s

Mean elev.

311m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #108060579062 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

  • Gourma-Rharous
    Timbuktu · Mali
    202.6 km²
    84.2% of basin
  • Ansongo
    Gao · Mali
    33.5 km²
    13.9% of basin
  • Gao
    Gao · Mali
    4.4 km²
    1.8% of basin

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

Species present

3 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 obs · 2 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°

29,4°C

Annual rain

280mm

Moisture idx (CMI)

-0,87

Runoff

48mm/an

PET

2 122mm

AET

233mm

Mean slope

0,5°

Water table

297cm

Forest

0%

Crops

18%

Urban

0%

Protected

0%

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