Ontologia

HydroBASINS lev08 watershed · #1080089110

Bassin de Oued Nahr-Ouassel

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 : Azziz, Bordj El Emir Abdelkader, Bouaiche, Chahbounia, Derrag

Pfafstetter: 15304602

Sub-basin area

267km²

Upstream area

267,1km²

Discharge

1,09m³/s

Mean elev.

888m

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°

15,1°C

Annual rain

454mm

Moisture idx (CMI)

-0,60

Runoff

129mm/an

PET

1 136mm

AET

387mm

Mean slope

3,3°

Water table

290cm

Forest

0%

Crops

9%

Urban

0%

Protected

0%

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