Ontologia

HydroBASINS lev08 watershed · #1080541360

Bassin · #1080541360

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 4 administrative regions across 2 countries : Bilma, Borkou, N'Guigmi, Tibesti

EndorheicPfafstetter: 16152262

Sub-basin area

3 041,3km²

Upstream area

3 041,3km²

Discharge

0m³/s

Mean elev.

400m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #1080551450668 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

  • N'Guigmi
    Diffa · Niger
    2503.6 km²
    82.6% of basin
  • Tibesti
    Tibesti · Chad
    279.8 km²
    9.2% of basin
  • Bilma
    Agadez · Niger
    247.9 km²
    8.2% of basin
  • Borkou
    Borkou · Chad
    0.2 km²
    0.0% of basin

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

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

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°

27,1°C

Annual rain

37mm

Moisture idx (CMI)

-0,98

Runoff

0mm/an

PET

2 150mm

AET

26mm

Mean slope

0,6°

Water table

645cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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