Ontologia

HydroBASINS lev08 watershed · #2080036710

Bassin de Nordelva

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 : Namsos, Overhalla

5% lakePfafstetter: 25108001

Sub-basin area

116,8km²

Upstream area

6 557,6km²

Discharge

240,44m³/s

Mean elev.

164m

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°

4,4°C

Annual rain

1 429mm

Moisture idx (CMI)

0,69

Runoff

1 372mm/an

PET

440mm

AET

425mm

Mean slope

7,9°

Water table

258cm

Forest

37%

Crops

0%

Urban

0%

Protected

0%

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