Ontologia

HydroBASINS lev08 watershed · #2080547260

Bassin de la Gresse

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 : Isère

Pfafstetter: 21602441

Sub-basin area

245,9km²

Upstream area

3 560,8km²

Discharge

58,47m³/s

Mean elev.

930m

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°

7,9°C

Annual rain

1 036mm

Moisture idx (CMI)

0,19

Runoff

499mm/an

PET

813mm

AET

666mm

Mean slope

18,1°

Water table

575cm

Forest

65%

Crops

6%

Urban

16%

Protected

72%

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