Ontologia

HydroBASINS lev08 watershed · #1080085290

Bassin de Oued Derder

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 12 administrative regions : Ain Lechiakh, Ain Soltane, Bir Ould Khelifa, Bordj El Emir Abdelkader, Bordj Emir Khaled +7

4% lakePfafstetter: 15304394

Sub-basin area

832km²

Upstream area

832km²

Discharge

3,86m³/s

Mean elev.

906m

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°

15,0°C

Annual rain

589mm

Moisture idx (CMI)

-0,46

Runoff

147mm/an

PET

1 096mm

AET

499mm

Mean slope

10,4°

Water table

512cm

Forest

17%

Crops

79%

Urban

2%

Protected

0%

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