Ontologia

HydroBASINS lev08 watershed · #2080036690

Bassin de Sandåa

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 4 administrative regions : Mandalseid, Namsos, Overhalla, Steinkjer

40% lakePfafstetter: 25107998

Sub-basin area

464,6km²

Upstream area

464,6km²

Discharge

18,83m³/s

Mean elev.

231m

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°

3,9°C

Annual rain

1 297mm

Moisture idx (CMI)

0,66

Runoff

1 266mm/an

PET

439mm

AET

420mm

Mean slope

10,1°

Water table

339cm

Forest

50%

Crops

0%

Urban

0%

Protected

1%

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