Ontologia

HydroBASINS lev08 watershed · #1080046580

Bassin · #1080046580

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 across 2 countries : Bilma, Tibesti

EndorheicPfafstetter: 16139091

Sub-basin area

1 988,6km²

Upstream area

1 988,8km²

Discharge

0m³/s

Mean elev.

734m

Administrative coverage

2 dept-equivalent regions (GADM L2)

  • Bilma
    Agadez · Niger
    1108.1 km²
    55.9% of basin
  • Tibesti
    Tibesti · Chad
    875.3 km²
    44.1% 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°

23,5°C

Annual rain

11mm

Moisture idx (CMI)

-0,99

Runoff

0mm/an

PET

1 934mm

AET

5mm

Mean slope

2,5°

Water table

1 043cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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