Ontologia

HydroBASINS lev08 watershed · #1080118650

Bassin de Oued Derna

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 : Azilal, Béni Mellal

Pfafstetter: 15160708

Sub-basin area

562,5km²

Upstream area

562,6km²

Discharge

1,16m³/s

Mean elev.

1 263m

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

607mm

Moisture idx (CMI)

-0,59

Runoff

70mm/an

PET

1 489mm

AET

513mm

Mean slope

11,3°

Water table

591cm

Forest

31%

Crops

56%

Urban

2%

Protected

23%

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