Ontologia

HydroBASINS lev08 watershed · #2080476950

Bassin de l'Yonne

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 1 administrative regions : Yonne

2% lakePfafstetter: 23240663

Sub-basin area

973,1km²

Upstream area

9 260,1km²

Discharge

72,52m³/s

Mean elev.

166m

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°

10,7°C

Annual rain

670mm

Moisture idx (CMI)

-0,22

Runoff

210mm/an

PET

862mm

AET

564mm

Mean slope

2,8°

Water table

226cm

Forest

11%

Crops

52%

Urban

2%

Protected

0%

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