Ontologia

HydroBASINS lev08 watershed · #1080672460

Bassin de Nianija Bolon

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 5 administrative regions across 2 countries : Kaffrine, Koungheul, Niani, Nianija, Upper Saloum

3% lakePfafstetter: 14580161

Sub-basin area

799km²

Upstream area

4 344,1km²

Discharge

4,81m³/s

Mean elev.

35m

Administrative coverage

Computing spatial overlaps (territories, protected areas)…

Species present

Computing species observations from GBIF…

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

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydroclimate (BasinATLAS lev08)

Mean T°

27,5°C

Annual rain

659mm

Moisture idx (CMI)

-0,68

Runoff

31mm/an

PET

2 081mm

AET

555mm

Mean slope

0,5°

Water table

116cm

Forest

0%

Crops

29%

Urban

5%

Protected

12%

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