Ontologia

HydroBASINS lev08 watershed · #2080431940

Bassin de Ancre

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 : Pas-de-Calais, Somme

Pfafstetter: 23250208

Sub-basin area

380,5km²

Upstream area

380,7km²

Discharge

5,24m³/s

Mean elev.

108m

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°

9,9°C

Annual rain

668mm

Moisture idx (CMI)

-0,10

Runoff

425mm/an

PET

743mm

AET

534mm

Mean slope

1,8°

Water table

101cm

Forest

0%

Crops

71%

Urban

3%

Protected

0%

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