Ontologia

HydroBASINS lev08 watershed · #2080465870

Bassin de la Voise

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 3 administrative regions : Essonne, Eure-et-Loir, Yvelines

Pfafstetter: 23240208

Sub-basin area

455,5km²

Upstream area

455,6km²

Discharge

2,77m³/s

Mean elev.

149m

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°

10,4°C

Annual rain

638mm

Moisture idx (CMI)

-0,21

Runoff

193mm/an

PET

809mm

AET

538mm

Mean slope

0,6°

Water table

71cm

Forest

0%

Crops

63%

Urban

1%

Protected

2%

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